Radar · Energy Tech in United Kingdom
Best Energy Tech Companies in United Kingdom
The 1749 best Energy Tech companies in United Kingdom in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Octopus Energy.
By Riya SenguptaFinancials
1749companies tracked
$16.5Bdisclosed funding
7unicorns
608have raised
Ranked by disclosed equity funding and recent momentum, the 1,749 Energy Tech companies tracked across the United Kingdom have pulled in $16.5 billion in total disclosed capital, and the numbers alone tell you this isn't a fringe sector. Octopus Energy leads at $2.0 billion raised. Zenobe sits at $1.4 billion. After that the figures compress fast, which is worth noting if you're scanning this directory for where conviction capital is actually concentrating. Seven unicorns have emerged from the cohort, backed by investors including Europa, Scottish Enterprise, and the EIC Fund.
So what's driving the next wave? As recent energy tech coverage makes clear, the hot themes right now are EV battery technology, next-generation EV platforms, and solar electricity generation, and the app-layer data backs that up: median install growth across 138 energy-category apps is running at roughly 28% year-on-year. I'd call that a signal, not noise. Companies like Nyobolt and Iceotope, at $71 million and $46 million respectively, sit well below the unicorn line but squarely inside the battery and thermal-management conversations that emerging green energy analysts are watching most closely heading into the back half of the decade.
Sources & further reading
- Game-changing program transforms how households pay for power: 'Will see more ho
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- Global energy body to release 400m oil barrels in emergency boost
FLIAR INTELLIGENCE · ENERGY TECH × UNITED KINGDOM
Our analysis of 58 Energy Tech companies
$7.3b in tracked funding; 82% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
58companies analysed
82%cloud-native stacks
2025funding peak (by rounds)
3unicorns
2017median founding year
1.4Mcombined LinkedIn audience
60%of audience held by top 3
14companies hiring publicly (12 mo)
Ranked: Best Energy Tech companies in United Kingdom
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Market signals (1y) | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Octopus Energy 🦄 Retailer of electricity and gas providing heat pumps and chargers 95Tech top 11%Funding top 14%Market top 15%Patents top 16% All 14 signals ▾Techtop 11% Fundingtop 14% Markettop 15% Patentstop 16% Newstop 21% Partnerstop 22% Moattop 22% Fin. healthtop 23% Talenttop 25% Innovationtop 27% Customerstop 28% Producttop 29% Growthtop 33% Globaltop 37% Tech: 66 technologies across 7/8 capability areas · Cloud: Amazon Alb, Amazon Cloudfront Funding: Raised $2.0B across 4 rounds · 4 rounds over 6 yrs (0.7/yr) rank vs industry peers · Fliar Intelligence Index 95/100 | $2.0B | 5 mo ago | 1,579 | Aj Lawrence Co-Founder & Group CFO | SentryNode.jsTypeScript+20 | 8 signals ▲60% Contracts · New product · Capital raise | 394 patents Smart energy management and demand‑response systems for electricity grids and EV charging | 1 launch · 1 award |
| 2 | Zenobe 🦄 Provider of fleet electrification infrastructure and grid scale battery storage 80News top 19%Funding top 20%Growth top 24%Talent top 28% All 10 signals ▾Newstop 19% Fundingtop 20% Growthtop 24% Talenttop 28% Fin. healthtop 30% Markettop 38% Techtop 45% Moattop 47% Globalbottom 39% Partnersbottom 34% News: 8 BI events in 12 mo (of 45 tracked, 6 types) · +300% YoY Funding: Raised $1.4B across 16 rounds · 16 rounds over 9 yrs (1.8/yr) rank vs industry peers · Fliar Intelligence Index 80/100 | $1.4B | 10 mo ago | 200 | Steven Meersman Co-Founder & Director | WordPressApple iCloud MailMicrosoft 365+16 | 8 signals ▲300% Funding · Acquisition · Contracts | — | 1 partnership |
| 3 | Fidra Energy Developer and operator of battery energy storage projects 29Funding top 18%Talent bottom 49%Tech bottom 47%Global bottom 45% All 5 signals ▾Fundingtop 18% Talentbottom 49% Techbottom 47% Globalbottom 45% Marketbottom 25% Funding: Raised $603M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) Talent: 1 named leader on record · 1 C-suite/founder profile curated rank vs industry peers · Fliar Intelligence Index 29/100 | $603M | 9 mo ago | — | Chris Elder CEO | WordPress Site EditorWordPressApple iCloud Mail+24 | — | — | 4 job openings |
| 4 | Kinetics Developer of floating LNG assets and renewable energy platforms 60Funding top 27%Patents top 28%Innovation top 36%Talent bottom 49% All 5 signals ▾Fundingtop 27% Patentstop 28% Innovationtop 36% Talentbottom 49% Globalbottom 43% Funding: Raised $400M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) Patents: 64 patents matched (strict assignee match) · 57 filings since 2022 vs 7 in 2017-21 rank vs industry peers · Fliar Intelligence Index 60/100 | $400M | 7 mo ago | — | Mehmet Katmer CEO | — | — | 64 patents Real-time 3D mapping and interactive simulation of motor racing tracks and events | — |
| 5 | Hometree Provider of an online platform for home insurance 62Funding top 24%Product top 25%Growth top 27%Tech top 28% All 10 signals ▾Fundingtop 24% Producttop 25% Growthtop 27% Techtop 28% Innovationtop 39% Moattop 39% Talentbottom 49% Globalbottom 39% Marketbottom 34% Newsbottom 21% Funding: Raised $268M across 12 rounds · 12 rounds over 10 yrs (1.2/yr) Product: 12 distinct product lines · Company stage: Series C rank vs industry peers · Fliar Intelligence Index 62/100 | $268M | 20 mo ago | 59 59 → 130 (+120%) · sector median +70% | Simon Phelan Co-Founder & CEO | Cart FunctionalitySentryZendesk+27 | — | — | 1 partnership |
| 6 | GRIDSERVE Chains providing electric vehicle charging stations and sustainable energy infrastructure 78Growth top 20%Talent top 23%Innovation top 25%Tech top 25% All 12 signals ▾Growthtop 20% Talenttop 23% Innovationtop 25% Techtop 25% Newstop 29% Fundingtop 30% Producttop 33% Partnerstop 45% Moattop 48% Marketbottom 47% Fin. healthbottom 45% Globalbottom 43% Growth: App-install growth +98% YoY · Fresh capital in last 24 mo Talent: 5 named leaders on record · 5 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 78/100 | $261M | 11 mo ago | 194 | Heather Harper Co-Founder | WordPressApple iCloud MailMicrosoft 365+23 | 4 signals ▲300% Announcements · Capital raise · Layoffs | — | 3 expansions |
| 7 | Vertical Aerospace Developer of electric vertical takeoff and landing aircraft technologies 67Funding top 20%Product top 24%Partners top 29%Talent top 30% All 12 signals ▾Fundingtop 20% Producttop 24% Partnerstop 29% Talenttop 30% Newstop 32% Patentstop 34% Growthtop 39% Innovationtop 43% Techtop 43% Markettop 47% Moattop 47% Globalbottom 42% Funding: Raised $258M across 4 rounds · 4 rounds over 6 yrs (0.7/yr) Product: 2 distinct product lines · Company stage: Public rank vs industry peers · Fliar Intelligence Index 67/100 | $258M | 2 mo ago | 306 306 → 521 (+70%) · sector median +70% | Stephen Fitzpatrick Founder | Cart FunctionalityWordPressApple iCloud Mail+19 | 51 signals ▲46% Funding · Announcements · Contracts | 34 patents Electric VTOL aircraft propulsion, thermal management, and rotor/propeller design. | 2 partnerships · 1 expansion |
| 8 | Oxa Developer of autonomous software for industrial vehicles and fleet management 78AI top 20%Growth top 24%Funding top 26%News top 27% All 10 signals ▾AItop 20% Growthtop 24% Fundingtop 26% Newstop 27% Talenttop 28% Globaltop 42% Fin. healthtop 42% Marketbottom 48% Moatbottom 48% Techbottom 44% AI: Classified as an AI company Growth: Revenue +289% YoY · Web rank 5,000,000 → 10,000,000 YoY rank vs industry peers · Fliar Intelligence Index 78/100 | $246M | 3 mo ago | 315 | Ingmar Posner Co-Founder | Apple iCloud MailGoogle WorkspaceNode.js+13 | 5 signals ▲400% Funding | — | — |
| 9 | Kraken Provider of utility management solution 83Funding top 22%Fin. health top 23%Tech top 32%Growth top 33% All 9 signals ▾Fundingtop 22% Fin. healthtop 23% Techtop 32% Growthtop 33% Talenttop 38% Markettop 41% AItop 45% Globalbottom 39% Moatbottom 38% Funding: Raised $150M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) Fin. health: Revenue ~$171M · Revenue 1.1x total funding rank vs industry peers · Fliar Intelligence Index 83/100 | $150M | 5 mo ago | 376 | Matthew Potts Co-Founder | StoryblokTurbopackstyled-components+23 | — | — | — |
| 10 | Highview Power Developer of liquid air energy storage solutions 37Talent top 28%Funding top 29%Moat top 31%Tech top 48% All 9 signals ▾Talenttop 28% Fundingtop 29% Moattop 31% Techtop 48% Growthbottom 48% Globalbottom 45% Marketbottom 34% Fin. healthbottom 32% Newsbottom 21% Talent: 3 named leaders on record · 3 C-suite/founder profiles curated Funding: Raised $143M across 5 rounds · 5 rounds over 6 yrs (0.8/yr) rank vs industry peers · Fliar Intelligence Index 37/100 | $143M | 7 mo ago | 35 | R Peters Co-Founder | WordPressApple iCloud MailMicrosoft 365+21 | — | — | — |
| 11 | GeoPura Manufacturer of hydrogen power units for clean energy generation systems 53Funding top 31%Moat top 31%Growth top 34%Tech top 34% All 11 signals ▾Fundingtop 31% Moattop 31% Growthtop 34% Techtop 34% Talenttop 45% Innovationtop 48% Patentstop 50% Globalbottom 39% Marketbottom 35% Partnersbottom 34% Newsbottom 28% Funding: Raised $125M across 6 rounds · 6 rounds over 6 yrs (1.0/yr) Moat: Editorial + unicorn rating 8/10 · IP moat: 7 patents rank vs industry peers · Fliar Intelligence Index 53/100 | $125M | 20 mo ago | 37 | Andrew Cunningham Founder & CEO | WordPress Site EditorWordPressMySQL+28 | — | 7 patents Photovoltaic power generation systems and related solar energy conversion technology. | 1 partnership |
| 12 | Invinity Manufacturer of modular vanadium flow batteries for energy storage systems 67Talent top 28%Funding top 29%Partners top 29%Growth top 30% All 11 signals ▾Talenttop 28% Fundingtop 29% Partnerstop 29% Growthtop 30% Newstop 33% Producttop 35% Innovationtop 36% Moattop 39% Techtop 48% Marketbottom 48% Globalbottom 43% Talent: 3 named leaders on record · 3 C-suite/founder profiles curated Funding: Raised $117M across 3 rounds · 3 rounds over 3 yrs (1.0/yr) rank vs industry peers · Fliar Intelligence Index 67/100 | $117M | 9 mo ago | 165 | Matt Harper President and Co-Founder | WordPressMySQLPHP+27 | 12 signals ▲33% Contracts · Funding · Announcements | — | 2 partnerships |
| 13 | AFC Energy Manufacturer of ammonia crackers and hydrogen fuel cell power generators 55Product top 14%Funding top 25%Partners top 28%Innovation top 34% All 12 signals ▾Producttop 14% Fundingtop 25% Partnerstop 28% Innovationtop 34% Patentstop 34% Growthtop 37% Newstop 40% Moattop 41% Globaltop 47% Talentbottom 49% Marketbottom 44% Techbottom 32% Product: 4 distinct product lines · Company stage: Public Funding: Raised $92.5M across 5 rounds · 5 rounds over 9 yrs (0.6/yr) rank vs industry peers · Fliar Intelligence Index 55/100 | $93M | 11 mo ago | 42 | John Wilson Chief Executive Officer | UmbracoWindows ServerMicrosoft ASP.NET+15 | 7 signals ▼30% Contracts · Leadership · Earnings | 158 patents Hydrogen generation and alkaline fuel‑cell systems, including catalytic reactors and electrolyte management. | 3 partnerships |
| 14 | Roam App-based electric vehicle charging station operators 64Funding top 30%Growth top 35%Talent top 38%Tech top 50% All 5 signals ▾Fundingtop 30% Growthtop 35% Talenttop 38% Techtop 50% Globalbottom 48% Funding: Raised $85.3M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) Growth: Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 64/100 | $85M | 7 mo ago | — | Simon Turner Co-Founder | WebflowGSAPMicrosoft Advertising+21 | — | — | — |
| 15 | Hubber Developer of high-powered EV charging infrastructure for urban environments 45Talent top 28%Funding top 39%Global bottom 25% All 3 signals ▾Talenttop 28% Fundingtop 39% Globalbottom 25% Talent: 3 named leaders on record · 3 C-suite/founder profiles curated Funding: Raised $81.3M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) rank vs industry peers · Fliar Intelligence Index 45/100 | $81M | 10 mo ago | — | Hugh Leckie Co-Founder | — | — | — | — |
| 16 | Fuse Energy Provider of cost-effective and sustainable electricity solutions 64Growth top 15%Funding top 28%News top 29%Talent top 38% All 10 signals ▾Growthtop 15% Fundingtop 28% Newstop 29% Talenttop 38% Innovationtop 39% Techtop 43% Producttop 43% Moattop 49% Globalbottom 39% Marketbottom 36% Growth: Web rank 5,000,000 → 1,000,000 YoY · App-install growth +280% YoY Funding: Raised $78.0M across 3 rounds · 3 rounds over 4 yrs (0.8/yr) rank vs industry peers · Fliar Intelligence Index 64/100 | $78M | 5 mo ago | 33 | Alan Chang Co-Founder & CEO | Node.jsTailwind CSSReact+14 | 5 signals Funding | — | 2 job openings |
| 17 | GridBeyond Provider of software for managing distributed energy resources and assets 35Funding top 32%Talent top 38%Moat top 39%News top 45% All 10 signals ▾Fundingtop 32% Talenttop 38% Moattop 39% Newstop 45% Growthtop 47% Techbottom 48% Globalbottom 47% Partnersbottom 42% Fin. healthbottom 35% Marketbottom 29% Funding: Raised $76.1M across 12 rounds · 12 rounds over 16 yrs (0.8/yr) Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 35/100 | $76M | 3 mo ago | 16 | Michael Phelan Co-Founder & CEO | WordPress Block EditorWordPressMySQL+28 | 4 signals Funding · Contracts | — | 1 launch · 1 award |
| 18 | Nyobolt 🦄 Developer of battery technology for high-power, integrated energy systems 62Moat top 25%Funding top 28%Patents top 30%Innovation top 34% All 10 signals ▾Moattop 25% Fundingtop 28% Patentstop 30% Innovationtop 34% Growthtop 38% Techtop 40% Talentbottom 49% Marketbottom 47% Globalbottom 42% Newsbottom 21% Moat: Editorial + unicorn rating 8/10 · IP moat: 46 patents Funding: Raised $70.7M across 5 rounds · 5 rounds over 6 yrs (0.8/yr) rank vs industry peers · Fliar Intelligence Index 62/100 | $71M | 1 mo ago | 54 54 → 127 (+135%) · sector median +70% | Clare Grey Co-Founder & CSO | WordPressMySQLMariaDB+33 | — | 46 patents Fast‑charging niobium‑oxide battery modules and high‑power power‑control electronics | 2 partnerships |
| 19 | Vortexa Provider of artificial intelligence based data processing services 69Tech top 26%Funding top 34%Growth top 34%Product top 35% All 10 signals ▾Techtop 26% Fundingtop 34% Growthtop 34% Producttop 35% Talenttop 38% Innovationtop 39% AItop 45% Marketbottom 40% Globalbottom 39% Newsbottom 21% Tech: 56 technologies across 5/8 capability areas · Cloud: Amazon S3, Amazon Web Services Funding: Raised $64.0M across 4 rounds · 4 rounds over 8 yrs (0.5/yr) rank vs industry peers · Fliar Intelligence Index 69/100 | $64M | 19 mo ago | 76 | Etienne Amic Co-Founder & Chairman | WordPressApple iCloud MailGoogle Workspace+35 | — | — | — |
| 20 | Echion Technologies Manufacturer of niobium-based anode material for lithium-ion batteries and cells 50Growth top 29%Talent top 34%Funding top 35%Moat top 36% All 8 signals ▾Growthtop 29% Talenttop 34% Fundingtop 35% Moattop 36% Techbottom 46% Globalbottom 39% Marketbottom 33% Newsbottom 22% Growth: Headcount 29 → 41 (+41%) across vintages · Web rank 50,000,000 → 10,000,000 YoY Talent: Analyst team rating 4/5 · 2 named leaders on record rank vs industry peers · Fliar Intelligence Index 50/100 | $53M | 19 mo ago | 41 41 → 65 (+59%) · sector median +70% | Jean Verpilliere Co-Founder & CEO | Cart FunctionalitySquarespace CommerceSquarespace+15 | — | — | — |
| 21 | Protium Provider of green hydrogen production, distribution, and technical services 42Growth top 31%Moat top 31%Funding top 36%Tech top 50% All 7 signals ▾Growthtop 31% Moattop 31% Fundingtop 36% Techtop 50% Talentbottom 49% Globalbottom 39% Marketbottom 29% Growth: Headcount 17 → 30 (+76%) across vintages · Web rank 10,000,000 → 50,000,000 YoY Moat: Editorial + unicorn rating 8/10 · Soonicorn rank vs industry peers · Fliar Intelligence Index 42/100 | $51M | 17 mo ago | 30 30 → 71 (+137%) · sector median +70% | Chris Jackson Founder & CEO | WordPress Block EditorWordPressMySQL+16 | — | — | 2 expansions |
| 22 | HiiROC Provider of solutions for hydrogen generation and storage 57Growth top 31%Innovation top 32%Funding top 33%Talent top 38% All 11 signals ▾Growthtop 31% Innovationtop 32% Fundingtop 33% Talenttop 38% Moattop 39% Partnerstop 45% Producttop 46% Techbottom 46% Globalbottom 39% Marketbottom 38% Newsbottom 21% Growth: Headcount 36 → 72 (+100%) across vintages · Web rank 10,000,000 → 50,000,000 YoY Innovation: 2 product lines · Deep-tech classification: Tech Hardware rank vs industry peers · Fliar Intelligence Index 57/100 | $50M | 5 mo ago | 72 72 → 90 (+25%) · sector median +70% | Jan Wiekamp Co-Founder | WordPressMySQLPHP+24 | — | — | 1 award |
| 23 | Rivan Manufacturer of synthetic natural gas using carbon capture and electrolysis 40Funding top 35%Growth top 35%Talent bottom 49%Global bottom 45% All 6 signals ▾Fundingtop 35% Growthtop 35% Talentbottom 49% Globalbottom 45% Marketbottom 37% Techbottom 36% Funding: Raised $47.5M across 3 rounds · 3 rounds over 2 yrs (1.5/yr) Growth: Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 40/100 | $48M | 1 mo ago | — | Harvey Hodd Founder & CEO | WordPress Block EditorWordPressMySQL+12 | — | — | 1 partnership · 1 expansion |
| 24 | Iceotope Manufacturer of precision liquid cooling systems for computer hardware components 53Innovation top 12%Patents top 13%Moat top 26%Funding top 30% All 12 signals ▾Innovationtop 12% Patentstop 13% Moattop 26% Fundingtop 30% Talenttop 38% Techtop 49% Producttop 49% Globaltop 50% Marketbottom 46% Growthbottom 37% Fin. healthbottom 23% Newsbottom 21% Innovation: 175 patents (top 9% of patent-holders) · 119 filings since 2022 vs 38 in 2017-21 Patents: 175 patents matched (strict assignee match) · 119 filings since 2022 vs 38 in 2017-21 rank vs industry peers · Fliar Intelligence Index 53/100 | $46M | 1 mo ago | 114 114 → 61 (-46%) · sector median +70% | David Craig Co-CEO | WebflowGSAPLinkedin Insight Tag+14 | — | 175 patents Liquid immersion cooling systems and components for high‑performance electronic thermal management | 1 award |
| 25 | HVS Developer of hydrogen fuel cell powertrain systems for heavy goods vehicles 29Growth top 35%Funding top 36%Moat top 39%Talent bottom 49% All 8 signals ▾Growthtop 35% Fundingtop 36% Moattop 39% Talentbottom 49% Techbottom 47% Globalbottom 37% Newsbottom 36% Marketbottom 15% Growth: Fresh capital in last 24 mo Funding: Raised $34.2M across 5 rounds · 5 rounds over 6 yrs (0.8/yr) rank vs industry peers · Fliar Intelligence Index 29/100 | $34M | 16 mo ago | 6 | Abdul Waheed Founder & CEO | Cart FunctionalitySquarespace CommerceSquarespace+17 | — | — | — |
| 26 | Ilika Platform offering batteries for electric cars 53Product top 26%Funding top 35%Patents top 35%Innovation top 37% All 12 signals ▾Producttop 26% Fundingtop 35% Patentstop 35% Innovationtop 37% Talenttop 38% Globaltop 39% Growthtop 40% Moattop 43% Newstop 44% Techbottom 45% Marketbottom 40% Fin. healthbottom 38% Product: 2 product launch events in 12 mo · Company stage: Public Funding: Raised $34.1M across 5 rounds · 5 rounds over 10 yrs (0.5/yr) rank vs industry peers · Fliar Intelligence Index 53/100 | $34M | 11 mo ago | 72 72 → 75 (+4%) · sector median +70% | Brian Hayden Founder | Craft CMSPHPYii+17 | — | 86 patents Solid-state lithium battery thin‑film materials, deposition processes, and hydrogen storage catalysts | — |
| 27 | Mixergy Provider of app-based residential heat storage solution 53Moat top 25%Innovation top 28%Patents top 29%Product top 29% All 10 signals ▾Moattop 25% Innovationtop 28% Patentstop 29% Producttop 29% Growthtop 31% Fundingtop 38% Techtop 44% Globalbottom 40% Marketbottom 23% Newsbottom 18% Moat: Editorial + unicorn rating 7/10 · IP moat: 70 patents Innovation: 70 patents (top 47% of patent-holders) · 55 filings since 2022 vs 15 in 2017-21 rank vs industry peers · Fliar Intelligence Index 53/100 | $22M | 15 mo ago | 32 32 → 51 (+59%) · sector median +70% | — | WordPressApple iCloud MailMicrosoft 365+25 | — | 70 patents Efficient water heating and heat‑pump energy buffering systems for residential/commercial use | 1 award |
| 28 | Maeving Manufacturer of electric motorcycles 55Growth top 28%Tech top 32%Funding top 37%Talent top 38% All 8 signals ▾Growthtop 28% Techtop 32% Fundingtop 37% Talenttop 38% Productbottom 48% Moatbottom 38% Marketbottom 33% Globalbottom 32% Growth: Web rank 1,000,000 → 500,000 YoY · Fresh capital in last 24 mo Tech: 46 technologies across 5/8 capability areas · Cloud: Cloudflare, Google Cloud rank vs industry peers · Fliar Intelligence Index 55/100 | $21M | 4 mo ago | 23 23 → 57 (+148%) · sector median +70% | William Stirrup Co-Founder | Cart FunctionalityShopifyMarker+26 | — | — | — |
| 29 | Anaphite Developer of dry coating precursor technology for battery electrode manufacturing 50Funding top 32%Patents top 34%Innovation top 36%Growth top 37% All 10 signals ▾Fundingtop 32% Patentstop 34% Innovationtop 36% Growthtop 37% Talenttop 38% Moattop 42% Techbottom 46% Globalbottom 42% Marketbottom 31% Newsbottom 17% Funding: Raised $20.8M across 6 rounds · 6 rounds over 6 yrs (1.0/yr) Patents: 13 patents matched (strict assignee match) · 10 filings since 2022 vs 3 in 2017-21 rank vs industry peers · Fliar Intelligence Index 50/100 | $21M | 6 mo ago | 25 25 → 47 (+88%) · sector median +70% | Alex Hewitt Co-Founder & COO | WordPressApple iCloud MailMicrosoft 365+15 | — | 13 patents Manufacturing advanced polymer/composite materials and conductive nanocomposites. | 1 job opening |
| 30 | Modo Energy Platform for battery energy storage analysts 50Growth top 25%Tech top 29%News top 35%Funding top 36% All 8 signals ▾Growthtop 25% Techtop 29% Newstop 35% Fundingtop 36% Moattop 39% Talentbottom 49% Globalbottom 32% Marketbottom 29% Growth: Fresh capital in last 24 mo Tech: 36 technologies across 6/8 capability areas · Cloud: Amazon Cloudfront, Amazon Web Services rank vs industry peers · Fliar Intelligence Index 50/100 | $20M | 6 mo ago | 21 | Tim Overton Co-founder & Director | AlgoliaNode.jsNextAuth.js+24 | 4 signals ▲300% Funding | — | — |
| 31 | Aurrigo Manufacturer of automated ground handling technology for aviation and automotive 60Product top 18%News top 23%Innovation top 26%Growth top 32% All 9 signals ▾Producttop 18% Newstop 23% Innovationtop 26% Growthtop 32% Fundingtop 38% Techtop 50% Talentbottom 49% Globalbottom 44% Marketbottom 41% Product: 1 product launch event in 12 mo, 2 the year before · 12 distinct product lines News: 7 BI events in 12 mo (of 14 tracked, 7 types) · +133% YoY rank vs industry peers · Fliar Intelligence Index 60/100 | $20M | 9 mo ago | 70 70 → 83 (+19%) · sector median +70% | David Keene Founder & CEO | WordPressMySQLPHP+31 | 7 signals ▲133% Funding · Capital raise · New product | — | 1 award |
| 32 | Snowfox Discovery Developer of exploration models for identifying natural hydrogen energy resources 35Growth top 35%Funding top 42%Talent bottom 49%Global bottom 45% All 6 signals ▾Growthtop 35% Fundingtop 42% Talentbottom 49% Globalbottom 45% Techbottom 39% Marketbottom 30% Growth: Fresh capital in last 24 mo Funding: Raised $19.2M across 3 rounds · 3 rounds over 3 yrs (1.0/yr) rank vs industry peers · Fliar Intelligence Index 35/100 | $19M | 10 mo ago | — | Daniel McMahon Co-Founder & CEO | Webflow EcommerceCart FunctionalityWebflow+11 | — | — | 1 partnership |
| 33 | QLM Provider of quantum sensing technology for natural gas leak detection 24Talent top 34%Funding top 42%News top 45%Tech top 47% All 7 signals ▾Talenttop 34% Fundingtop 42% Newstop 45% Techtop 47% Moattop 48% Globalbottom 37% Marketbottom 21% Talent: Analyst team rating 4/5 · 2 named leaders on record Funding: Raised $18.9M across 3 rounds · 3 rounds over 5 yrs (0.6/yr) rank vs industry peers · Fliar Intelligence Index 24/100 | $19M | 6 mo ago | 11 | Xiao Ai Co-founder and CTO | Node.jsBootstrapVue.js+12 | — | — | 1 launch |
| 34 | Verv AI-driven energy monitoring solution for homes 48Funding top 29%Growth top 35%Tech top 36%AI top 45% All 8 signals ▾Fundingtop 29% Growthtop 35% Techtop 36% AItop 45% Talentbottom 49% Productbottom 48% Globalbottom 39% Marketbottom 18% Funding: Raised $17.7M across 15 rounds · 15 rounds over 11 yrs (1.4/yr) Growth: Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 48/100 | $18M | 8 mo ago | 5 | Peter Davies Founder & CEO | Cart FunctionalitySquarespace CommerceSquarespace+21 | — | — | 1 job opening |
| 35 | tem Provider of renewable electricity semiconductors manufacturing services 53Talent top 23%Growth top 28%News top 32%Funding top 33% All 9 signals ▾Talenttop 23% Growthtop 28% Newstop 32% Fundingtop 33% Techtop 33% Partnerstop 45% Moatbottom 38% Globalbottom 37% Marketbottom 22% Talent: 6 named leaders on record · 5 C-suite/founder profiles curated Growth: Web rank 50,000,000 → 10,000,000 YoY · Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 53/100 | $17M | 4 mo ago | 6 | Jason Stocks Co-Founder & CCO | StoryblokApple iCloud MailGoogle Workspace+25 | 4 signals Funding · Capital raise | — | 1 job opening · 1 launch · 1 award |
| 36 | Fuuse Provider of management system for electric vehicle charge point infrastructure 40Growth top 25%News top 28%Funding top 38%Product top 47% All 8 signals ▾Growthtop 25% Newstop 28% Fundingtop 38% Producttop 47% Talentbottom 49% Techbottom 46% Globalbottom 36% Marketbottom 26% Growth: Fresh capital in last 24 mo News: 6 BI events in 12 mo (of 14 tracked, 2 types) · 6 high-value events (IPO/M&A/funding/contracts) in 12 mo rank vs industry peers · Fliar Intelligence Index 40/100 | $16M | 8 mo ago | 18 | Michael Gibson Co-Founder & CEO | HubSpot CMS HubApple iCloud MailMicrosoft 365+20 | 6 signals Funding | — | 1 partnership |
| 37 | Logan Energy Provider of integrated solutions for hydrogen refuelling, production, and energy applications 22Growth top 35%Funding top 46%Global bottom 36%Tech bottom 35% All 5 signals ▾Growthtop 35% Fundingtop 46% Globalbottom 36% Techbottom 35% Marketbottom 22% Growth: Fresh capital in last 24 mo Funding: Raised $15.9M across 5 rounds · 5 rounds over 18 yrs (0.3/yr) rank vs industry peers · Fliar Intelligence Index 22/100 | $16M | 10 mo ago | 22 | — | WordPressBugHerdMySQL+19 | — | — | 2 job openings · 2 partnerships |
| 38 | Arenko Provider of software for automated control of energy storage assets 24Growth top 39%Moat top 48%Tech top 50%Funding bottom 42% All 8 signals ▾Growthtop 39% Moattop 48% Techtop 50% Fundingbottom 42% Newsbottom 40% Globalbottom 37% Partnersbottom 34% Marketbottom 25% Growth: Headcount 23 → 26 (+13%) across vintages · Fresh capital in last 24 mo Moat: Editorial + unicorn rating 5/10 · 9 curated direct competitors tracked rank vs industry peers · Fliar Intelligence Index 24/100 | $14M | 12 mo ago | 26 | — | WordPressMySQLPHP+23 | — | — | — |
| 39 | Applied Computing Provider of real-time operational models for refining and more 27Talent top 38%Tech top 50%Funding bottom 46%Global bottom 45% All 5 signals ▾Talenttop 38% Techtop 50% Fundingbottom 46% Globalbottom 45% Marketbottom 31% Talent: 2 named leaders on record · 2 C-suite/founder profiles curated Tech: 16 technologies across 5/8 capability areas · Cloud: Cloudflare rank vs industry peers · Fliar Intelligence Index 27/100 | $12M | 2 mo ago | — | Samyakh Tukra Co-Founder | Framer SitesReactMicrosoft Clarity+13 | — | — | 1 partnership |
| 40 | Altilium Developer of technology for recycling electric vehicle batteries into battery materials 24Talent top 28%Funding top 35%Moat top 39%News top 43% All 7 signals ▾Talenttop 28% Fundingtop 35% Moattop 39% Newstop 43% Growthbottom 40% Globalbottom 39% Marketbottom 23% Talent: 3 named leaders on record · 3 C-suite/founder profiles curated Funding: Raised $12.0M across 7 rounds · 7 rounds over 3 yrs (2.3/yr) rank vs industry peers · Fliar Intelligence Index 24/100 | $12M | 2 mo ago | 4 | Sean Joseph Co-Founder | — | 6 signals ▼68% Funding · Capital raise | — | — |
| 41 | Sunsave Provider of residential solar energy systems through a subscription model 57Tech top 23%Growth top 25%News top 28%Talent top 38% All 8 signals ▾Techtop 23% Growthtop 25% Newstop 28% Talenttop 38% Fundingtop 39% Moattop 48% Globalbottom 39% Marketbottom 28% Tech: 32 technologies across 6/8 capability areas · Cloud: Amazon Cloudfront, Amazon Ses Growth: Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 57/100 | $12M | 10 mo ago | 7 | Alick Dru Co-Founder & CEO | PrismicSentryNode.js+29 | 6 signals Funding | — | 1 job opening · 1 launch · 1 award |
| 42 | Orbital Marine Power Manufacturer of floating tidal stream turbines for generating renewable electricity 24Moat top 32%Talent top 38%Patents top 39%Tech top 42% All 11 signals ▾Moattop 32% Talenttop 38% Patentstop 39% Techtop 42% Innovationtop 45% Newstop 45% Fundingtop 48% Globalbottom 40% Growthbottom 38% Marketbottom 29% Fin. healthbottom 15% Moat: Editorial + unicorn rating 7/10 · IP moat: 40 patents Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 24/100 | $11M | 6 mo ago | 41 | Barry Johnston Founder | WordPressPleskMySQL+29 | — | 40 patents Tidal energy conversion devices and marine mooring/anchor systems for offshore power generation | — |
| 43 | ULEMCo Manufacturer of hydrogen fuel systems for heavy duty transport equipment 21Product top 36%Moat top 38%Funding top 45%Talent bottom 49% All 11 signals ▾Producttop 36% Moattop 38% Fundingtop 45% Talentbottom 49% Patentsbottom 48% Innovationbottom 46% Newsbottom 44% Globalbottom 36% Techbottom 35% Partnersbottom 34% Marketbottom 27% Product: 8 distinct product lines · Company stage: Series A Moat: Editorial + unicorn rating 5/10 · IP moat: 31 patents rank vs industry peers · Fliar Intelligence Index 21/100 | $8M | 7 mo ago | 12 12 → 26 (+117%) · sector median +70% | Amanda Lyne Founder & CEO & Managing Director | — | — | 31 patents Hybrid diesel‑hydrogen compression engines and hydrogen leak detection systems | 1 job opening · 1 partnership · 1 award |
| 44 | Heat Geek Network of installers providing heat pump installation and related services 45Tech top 29%Growth top 35%Talent bottom 49%Funding bottom 44% All 6 signals ▾Techtop 29% Growthtop 35% Talentbottom 49% Fundingbottom 44% Globalbottom 37% Marketbottom 34% Tech: 61 technologies across 5/8 capability areas · Cloud: Cloudflare, Google Cloud Growth: Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 45/100 | $5M | 3 mo ago | — | Adam Chapman Founder | PythonTailwind CSSFlowbite+24 | — | — | — |
| 45 | Ionech Developer of air voltaic cell technology for clean energy generation 29Talent top 38%Global bottom 48%Funding bottom 44%Patents bottom 43% All 5 signals ▾Talenttop 38% Globalbottom 48% Fundingbottom 44% Patentsbottom 43% Innovationbottom 38% Talent: 2 named leaders on record · 2 C-suite/founder profiles curated Global: Investors from 1 country beyond United Kingdom rank vs industry peers · Fliar Intelligence Index 29/100 | $4M | 5 mo ago | — | Thomas Kirk Co-Founder | — | — | 28 patents Electrostatic fluid‑based energy storage and conversion systems | 1 job opening |
| 46 | Bloemteknik Provider of precision LED lighting solutions and autonomous control systems 24Product top 47%Talent bottom 49%Global bottom 45%Funding bottom 44% All 4 signals ▾Producttop 47% Talentbottom 49% Globalbottom 45% Fundingbottom 44% Product: 2 published apps (30 installs) · Company stage: Series A Talent: 1 named leader on record · 1 C-suite/founder profile curated rank vs industry peers · Fliar Intelligence Index 24/100 | $3M | 5 mo ago | — | James Fleet Co-Founder & CEO | — | — | — | — |
| 47 | RheEnergise Developer of high-density hydro long-duration energy storage technology 24Talent top 28%Patents top 38%Moat top 42%Innovation top 48% All 8 signals ▾Talenttop 28% Patentstop 38% Moattop 42% Innovationtop 48% Techbottom 45% Fundingbottom 44% Globalbottom 40% Marketbottom 19% Talent: 3 named leaders on record · 3 C-suite/founder profiles curated Patents: 19 patents matched (strict assignee match) · 19 filings since 2022 vs 0 in 2017-21 rank vs industry peers · Fliar Intelligence Index 24/100 | $3M | 6 mo ago | 10 | Graham Cook Co-Founder & CFO | MyWebsiteDudaMyWebsite Creator+18 | — | 19 patents Patents concentrated in mechanical & energy engineering | — |
| 48 | xWatts Provider of energy management solutions for education, healthcare, industrial, and real estate 14Talent top 38%Funding top 44%Moat top 48%Tech bottom 45% All 6 signals ▾Talenttop 38% Fundingtop 44% Moattop 48% Techbottom 45% Globalbottom 37% Marketbottom 15% Talent: 2 named leaders on record · 2 C-suite/founder profiles curated Funding: Raised $2.7M across 4 rounds · 4 rounds over 3 yrs (1.3/yr) rank vs industry peers · Fliar Intelligence Index 14/100 | $3M | 4 mo ago | 2 | Alexander Allen Co-Founder & CPO | WebflowGSAPHubSpot+14 | — | — | — |
| 49 | Amplisi Developer of porous silicon anodes for lithium-ion battery applications 13Talent bottom 49%Funding bottom 45%Tech bottom 41%Global bottom 33% All 5 signals ▾Talentbottom 49% Fundingbottom 45% Techbottom 41% Globalbottom 33% Marketbottom 25% Talent: 1 named leader on record · 1 C-suite/founder profile curated Funding: Raised $2.7M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) rank vs industry peers · Fliar Intelligence Index 13/100 | $3M | 3 mo ago | — | Ruth Sayers CEO | Cart FunctionalitySquarespace CommerceSquarespace+13 | — | — | — |
| 50 | Barocal Developer of solid-state barocaloric refrigeration technology. 19Growth top 45%Funding top 48%Talent bottom 49%Tech bottom 38% All 6 signals ▾Growthtop 45% Fundingtop 48% Talentbottom 49% Techbottom 38% Globalbottom 37% Marketbottom 17% Growth: Web rank 10,000,000 → 50,000,000 YoY · Fresh capital in last 24 mo Funding: Raised $1.8M across 2 rounds · 2 rounds over 4 yrs (0.5/yr) rank vs industry peers · Fliar Intelligence Index 19/100 | $2M | 1 mo ago | 2 | Xavier Moya Co-Founder | WordPressMySQLPHP+21 | — | — | — |
Top 12 Energy Tech companies in United Kingdom
#1
Series F · London, England · founded 2015 · 1579 employees$2Braised▾
Series F · London, England · founded 2015 · 1579 employees
Retailer of electricity and gas providing heat pumps and chargers. This business supplies residential and commercial energy through various tariff structures. It facilitates the installation of renewable energy hardware including solar panels, battery storage systems, and electric vehicle charging equipment. The service includes the management of energy export from private generation sources and the provision of smart technology to monitor and adjust consumption patterns.
Fliar Intelligence Index™ 95how this company ranks against its industry peers
Tech
top 11%Funding
top 14%Market
top 15%Patents
top 16%News
top 21%Partners
top 22%Tech: 66 technologies across 7/8 capability areas · Cloud: Amazon Alb, Amazon Cloudfront · Devops: Nginx
Funding: Raised $2.0B across 4 rounds · 4 rounds over 6 yrs (0.7/yr) · Last round Series F (Dec 2025)
Market: 1,579 employees (top 11% of Energy Tech) · Revenue ~$17.5B · Top-50,000 web property
Audience (LinkedIn): 471k LinkedIn followers — 34.0% of this cohort's audience
Activity (LinkedIn): 1 product launches · 1 awards announced in 12 mo
Funding rounds
- Dec 2025Series F—
- Dec 2023Series F$800M
- Dec 2021Series E$300M
- Sep 2021Series E$655M
Founders & team
Investors
CPP Investments, Generation Investment Management, Tokyo Gas, Origin Energy, D1 Capital Partners, Fidelity
Tech stack
Amazon AlbAmazon CloudfrontAmazon Web ServicesAmplitudeApolloApple Icloud Mail
#2
Public · Bristol, England · founded 2016 · 306 employees$257.9Mraised▾
Public · Bristol, England · founded 2016 · 306 employees
Developer of electric vertical takeoff and landing aircraft technologies. The company focuses on advancing sustainable air mobility through research and development. It aims to create innovative solutions for future transportation needs. The company is dedicated to engineering and technological progress within the aerospace sector.
Fliar Intelligence Index™ 67how this company ranks against its industry peers
Funding
top 20%Product
top 24%Partners
top 29%Talent
top 30%News
top 32%Patents
top 34%Funding: Raised $258M across 4 rounds · 4 rounds over 6 yrs (0.7/yr) · Last round Post IPO (Mar 2026)
Product: 2 distinct product lines · Company stage: Public
Partners: 1 partnership announcement in 12 mo (1 in 24 mo) · 7 contract events in 12 mo · Named contractor/client in 7 deals
Audience (LinkedIn): 144k LinkedIn followers — 10.4% of this cohort's audience
Activity (LinkedIn): 2 partnerships · 1 expansions (incl. UK government) announced in 12 mo
Funding rounds
- Mar 2026Post IPO$300M
- Jan 2024Angel$50M
- Oct 2021Series A$205M
- Jun 2021Seed—
Founders & team
Investors
ATI, American Airlines, Avolon, Honeywell, Rolls-Royce, Mudrick Capital
Tech stack
Amazon SesAmazon Web ServicesApple Icloud MailAzureCart FunctionalityCloudflare
#3
Series D · Oxford, England · founded 2014 · 315 employees$245.5Mraised▾
Series D · Oxford, England · founded 2014 · 315 employees
Developer of autonomous software for industrial vehicles and fleet management. This technology enables self-driving capabilities for various industrial transport equipment. The software integrates with existing hardware to automate repetitive driving tasks. Fleet management tools support the coordination and monitoring of these vehicles within operational environments. The system focuses on perception, localization, and path planning to facilitate movement in complex settings.
Fliar Intelligence Index™ 78how this company ranks against its industry peers
AI
top 20%Growth
top 24%Funding
top 26%News
top 27%Talent
top 28%Global
top 42%AI: Classified as an AI company
Growth: Revenue +289% YoY · Web rank 5,000,000 → 10,000,000 YoY · 1 acquisition/expansion move in 24 mo
Funding: Raised $246M across 6 rounds · 6 rounds over 8 yrs (0.8/yr) · Last round Series D (Mar 2026)
Funding rounds
- Mar 2026Series D$103M
- Oct 2023Series C—
- Dec 2022Series C$140M
- Oct 2021Series B—
Founders & team
Investors
Ocado Group, IP Group, Parkwalk, AXA XL, Aioi Nissay Dowa Insurance, ENEOS Innovation Partners
Tech stack
Apple Icloud MailCore-JsDocusignGoogle WorkspaceGsapHsts
#4
Zenobe 🦄Series E · London, England · founded 2017 · 200 employees$1.4Braised▾
Zenobe 🦄
Series E · London, England · founded 2017 · 200 employees
Provider of fleet electrification infrastructure and grid scale battery storage. Services include the installation of charging hardware, software for monitoring energy usage, and the deployment of large battery systems for electricity grid stabilization. Repurposed batteries are utilized to provide portable power for various industrial applications. The business model focuses on managing energy requirements for commercial transport fleets and supporting electrical grid capacity through storage technology.
Fliar Intelligence Index™ 80how this company ranks against its industry peers
News
top 19%Funding
top 20%Growth
top 24%Talent
top 28%Fin. health
top 30%Market
top 38%News: 8 BI events in 12 mo (of 45 tracked, 6 types) · +300% YoY · 5 high-value events (IPO/M&A/funding/contracts) in 12 mo
Funding: Raised $1.4B across 16 rounds · 16 rounds over 9 yrs (1.8/yr) · Last round Conventional Debt (Jul 2025)
Growth: Revenue +81% YoY · 2 acquisition/expansion moves in 24 mo · Fresh capital in last 24 mo
Audience (LinkedIn): 40k LinkedIn followers — 2.9% of this cohort's audience
Activity (LinkedIn): 1 partnerships (incl. Educational Bus Transportation, Inc.) announced in 12 mo
Funding rounds
- Jul 2025Conventional Debt$381.7M
- May 2024Conventional Debt$523.7M
- Dec 2023Series E—
- Sep 2023Series E$1.1B
Founders & team
Investors
KKR, Infracapital, Pantheon Infrastructure, Santander, New Zealand Green Investment Finance, Canadian Imperial Bank of Commerce
Tech stack
Animate.CssApple Icloud MailCookiebotElementorFont AwesomeGodaddy
#5
Nyobolt 🦄Series C · Cambridge, England · founded 2019 · 54 employees$70.7Mraised▾
Nyobolt 🦄
Series C · Cambridge, England · founded 2019 · 54 employees
Developer of battery technology for high-power, integrated energy systems. The company focuses on material science advances in the anode for ultra-fast charging properties. It provides solutions for industries requiring high-power and high uptime. The company's technology is applicable to AI data centres, autonomous robotics, commercial EVs, grid infrastructure, and heavy industrial fleets.
Fliar Intelligence Index™ 62how this company ranks against its industry peers
Moat
top 25%Funding
top 28%Patents
top 30%Innovation
top 34%Growth
top 38%Tech
top 40%Moat: Editorial + unicorn rating 8/10 · IP moat: 46 patents · Unicorn
Funding: Raised $70.7M across 5 rounds · 5 rounds over 6 yrs (0.8/yr) · Last round Series C (May 2026)
Patents: 46 patents matched (strict assignee match) · 44 filings since 2022 vs 2 in 2017-21 · Latest publication 2025
Audience (LinkedIn): 15k LinkedIn followers
Activity (LinkedIn): 2 partnerships (incl. Nyobolt, Altilium Clean Technology, Talga Group and a lead automotive OEM) announced in 12 mo
Funding rounds
- May 2026Series C$60M
- Apr 2025Series B$30M
- Jul 2022Series B$59M
- Sep 2021Series A$1.1M
Founders & team
Investors
H.C. Starck, IQ Capital, Cambridge Enterprise, Scania, Takasago Industry, Latitude
Tech stack
AddtoanyAddtoany Share ButtonsAll In One SeoAnimate.CssCloudflareCloudflare Bot Management
#6
Series B · Sheffield, England · founded 2005 · 114 employees$46Mraised▾
Series B · Sheffield, England · founded 2005 · 114 employees
Manufacturer of precision liquid cooling systems for computer hardware components. These systems utilize dielectric fluid to remove heat from processors, memory, storage, and power supply units. The technology supports high-density computing environments by managing thermal loads and reducing energy consumption. The hardware is designed for deployment in data centers and edge computing facilities to maintain performance levels for intensive workloads.
Fliar Intelligence Index™ 53how this company ranks against its industry peers
Innovation
top 12%Patents
top 13%Moat
top 26%Funding
top 30%Talent
top 38%Tech
top 49%Innovation: 175 patents (top 9% of patent-holders) · 119 filings since 2022 vs 38 in 2017-21 · Deep-tech classification: Tech Hardware
Patents: 175 patents matched (strict assignee match) · 119 filings since 2022 vs 38 in 2017-21 · Latest publication 2026
Moat: Editorial + unicorn rating 8/10 · IP moat: 175 patents · Soonicorn
Audience (LinkedIn): 11k LinkedIn followers
Activity (LinkedIn): 1 awards announced in 12 mo
Funding rounds
- May 2026Series B$26M
- Jan 2025Series B$7.1M
- Jun 2022Series B$36.8M
- Jun 2021Series A$4.2M
Founders & team
Investors
nVent, Northern Gritstone, Edinv, British Patient Capital, Pavilion Capital Partners, ABC Impact
Tech stack
AzureAzure Edge NetworkAzure Front DoorCloudflareCloudflare Bot ManagementCloudflare Turnstile
#7
Series C · London, England · founded 2007 · 16 employees$76.1Mraised▾
Series C · London, England · founded 2007 · 16 employees
Provider of software for managing distributed energy resources and assets. This technology platform enables the monitoring and control of flexible energy loads, generation equipment, and storage systems. It facilitates participation in grid balancing services and electricity markets by optimizing the dispatch of connected resources. The system processes data points to manage energy consumption and production, supporting the integration of renewable generation and industrial demand response.
Fliar Intelligence Index™ 35how this company ranks against its industry peers
Funding
top 32%Talent
top 38%Moat
top 39%News
top 45%Growth
top 47%Tech
bottom 48%Funding: Raised $76.1M across 12 rounds · 12 rounds over 16 yrs (0.8/yr) · Last round Series C (Mar 2026)
Talent: 2 named leaders on record · 2 C-suite/founder profiles curated
Moat: Editorial + unicorn rating 7/10 · 9 curated direct competitors tracked
Audience (LinkedIn): 29k LinkedIn followers — 2.1% of this cohort's audience
Activity (LinkedIn): 1 product launches · 1 awards announced in 12 mo
Funding rounds
- Mar 2026Series C$13.8M
- Apr 2025Grant (prize money)$2.8M
- Apr 2024Series C$55.3M
- Oct 2022Conventional Debt$5.8M
Founders & team
Investors
Europa, ESB Investments, Act Venture Capital, EDP, TotalEnergies Carbon Neutrality Ventures, Alantra
Tech stack
Apache Http ServerAzureCalendlyCdnjsCloudflareCloudflare Bot Management
#8
Funding Raised · London, England · founded 2024$400Mraised▾
Funding Raised · London, England · founded 2024
Developer of floating LNG assets and renewable energy platforms. It builds, develops, delivers, and leases these assets. The company specializes in battery energy storage systems. It aims to meet the needs of utilities, governments, and independent power producers. The company focuses on redefining energy infrastructure deployment and access in a decarbonizing world.
Fliar Intelligence Index™ 60how this company ranks against its industry peers
Funding
top 27%Patents
top 28%Innovation
top 36%Talent
bottom 49%Global
bottom 43%Funding: Raised $400M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) · Last round Conventional Debt (Nov 2025)
Patents: 64 patents matched (strict assignee match) · 57 filings since 2022 vs 7 in 2017-21 · Latest publication 2026
Innovation: 64 patents (top 49% of patent-holders) · 57 filings since 2022 vs 7 in 2017-21
Audience (LinkedIn): 1k LinkedIn followers
Activity (LinkedIn): 1 partnerships · 1 expansions (incl. Amogy) announced in 12 mo
Funding rounds
- Nov 2025Conventional Debt$400M
Founders & team
#9
Series A · London, England · founded 2001$47.5Mraised▾
Series A · London, England · founded 2001
Manufacturer of synthetic natural gas using carbon capture and electrolysis. This process utilizes water electrolysis and carbon dioxide capture to produce methane. The resulting fuel serves as a drop-in replacement for conventional natural gas in industrial applications that cannot be powered by electricity. The production method integrates solar energy to facilitate the conversion of captured carbon and hydrogen into fuel.
Fliar Intelligence Index™ 40how this company ranks against its industry peers
Funding
top 35%Growth
top 35%Talent
bottom 49%Global
bottom 45%Market
bottom 37%Tech
bottom 36%Funding: Raised $47.5M across 3 rounds · 3 rounds over 2 yrs (1.5/yr) · Last round Series A (Apr 2026)
Growth: Fresh capital in last 24 mo
Talent: 1 named leader on record · 1 C-suite/founder profile curated
Audience (LinkedIn): 10k LinkedIn followers
Hiring (LinkedIn): 1 hiring post in 12 mo (public) · hiring: Computational Scientist
Activity (LinkedIn): 1 partnerships · 1 expansions (incl. Wales & West Utilities) announced in 12 mo
Funding rounds
- Apr 2026Series A$34M
- Jul 2025Seed$253.8K
- Nov 2024Seed$13.3M
Founders & team
Investors
Plural, 20VC Fund, NFDG, IQ Capital, Fundomo, Bare Metal Ventures
Tech stack
BugherdHstsHttp/3JqueryMysqlNginx
#10
Series D · Edinburgh, Scotland · founded 2024$602.7Mraised▾
Series D · Edinburgh, Scotland · founded 2024
Developer and operator of battery energy storage projects. These systems support the transition toward renewable energy generation by providing capacity to balance electricity systems. The business focuses on the development, construction, and operation of large scale storage infrastructure to enable the integration of renewable power sources into the grid.
Fliar Intelligence Index™ 29how this company ranks against its industry peers
Funding
top 18%Talent
bottom 49%Tech
bottom 47%Global
bottom 45%Market
bottom 25%Funding: Raised $603M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) · Last round Series D (Sep 2025)
Talent: 1 named leader on record · 1 C-suite/founder profile curated
Tech: 27 technologies across 3/8 capability areas · Cloud: Azure, Cloudflare · Security: Cloudflare Bot Management, Http/3
Audience (LinkedIn): 5k LinkedIn followers
Hiring (LinkedIn): 6 hiring posts in 12 mo (public) · momentum +2 · hiring: IT Support Engineer, Project Accountant
Funding rounds
- Sep 2025Series D$602.7M
Founders & team
Investors
EIG Global Energy Partners, National Wealth Fund
Tech stack
Apple Icloud MailAzureCdnjsCloudflareCloudflare Bot ManagementCookie Notice
#11
Series D · London, England · founded 2019 · 376 employees$150Mraised▾
Series D · London, England · founded 2019 · 376 employees
Provider of utility management solution. It offers an energy tech platform based on data and machine learning capabilities. It specializes in customer information systems including billing.
Fliar Intelligence Index™ 83how this company ranks against its industry peers
Funding
top 22%Fin. health
top 23%Tech
top 32%Growth
top 33%Talent
top 38%Market
top 41%Funding: Raised $150M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) · Last round Series D (Dec 2025)
Fin. health: Revenue ~$171M · Revenue 1.1x total funding
Tech: 37 technologies across 5/8 capability areas · Cloud: Amazon Web Services, Cloudflare · Devops: Varnish
Funding rounds
- Dec 2025Series D$150M
Founders & team
Investors
D1 Capital Partners, Fidelity, Durable Capital Partners, Ontario Teachers' Pension Plan, Origin Energy
Tech stack
Amazon Web ServicesApple Icloud MailBootstrapCloudflareCloudflare Bot ManagementCookiebot
#12
Series D · London, England · founded 2005 · 35 employees$143.4Mraised▾
Series D · London, England · founded 2005 · 35 employees
Developer of liquid air energy storage solutions. They claim they offer solution to liquifies air and is allowed to expand at ambient temperature and drives a turbine to generate power.
Fliar Intelligence Index™ 37how this company ranks against its industry peers
Talent
top 28%Funding
top 29%Moat
top 31%Tech
top 48%Growth
bottom 48%Global
bottom 45%Talent: 3 named leaders on record · 3 C-suite/founder profiles curated
Funding: Raised $143M across 5 rounds · 5 rounds over 6 yrs (0.8/yr) · Last round Series D (Nov 2025)
Moat: Editorial + unicorn rating 8/10 · Soonicorn · 9 curated direct competitors tracked
Audience (LinkedIn): 20k LinkedIn followers
Activity (LinkedIn): 1 expansions announced in 12 mo
Funding rounds
- Nov 2025Series D$171.1M
- Aug 2021Series C$27.4M
- Feb 2021Series C$70M
- Jun 2020Grant (prize money)$12.6M
Founders & team
Investors
Sumitomo Heavy Industries, JCG, Gov, The Scottish National Investment Bank, KIRKBI A/S, Mosaic Capital Corporation
Tech stack
Apple Icloud MailAstraAzureCore-JsElementorElementor Header & Footer Builder
Funding & investor landscape
$16.5Btotal disclosed funding
570companies funded
1,635disclosed rounds
9rounds last 90 days
Most active investors
Gov74 rounds
Notable founders
Aj Lawrence
Co-Founder & Group CFO · Octopus Energy
Pete Miller
Co-Founder · Octopus Energy
Stephen Fitzpatrick
Founder · Vertical Aerospace
Stuart Simpson
CEO · Vertical Aerospace
Ingmar Posner
Co-Founder · Oxa
Paul Newman
Co-Founder · Oxa
Steven Meersman
Co-Founder & Director · Zenobe
James Basden
Co-Founder & Director · Zenobe
Clare Grey
Co-Founder & CSO · Nyobolt
David Craig
Co-CEO · Iceotope
Simon Jesenko
Co-CEO & CFO · Iceotope
Michael Phelan
Co-Founder & CEO · GridBeyond
Prism market signals · United Kingdom · country-scoped Prism corpus, 601,874 docs
Market landscape — 10 sub-themes by coverage
Share of Energy Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
RESEARCH SIGNALS · United Kingdom
How research on Grid Energy Storage is moving in the United Kingdom
A read on the academic research around Grid Energy Storage — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 2,113 United Kingdom-affiliated papers.
research sentiment over time
201120192026
enthusiastic · positive · guarded tone
Tone is overwhelmingly optimistic and intensifying — the enthusiastic (strongly-positive) share moved 50% → 60% across 2011–2026.
top research entities
- Imperial College London185
- University of Birmingham115
- University of Cambridge109
- University College London102
- Institute of Physics98
leading researchers
Yulong Ding · Zhongbei Tian · Seamus D. Garvey · Jihong Wang · Daniel T. Gladwin · Mohammad Ali Abdelkareem · Bruno Cárdenas · Yongliang Li
▲
Breakthroughs664 · 31%
31%→31% share
▲1.0× share momentum1 median citations89% since 2021mostly methods-led
Electrolyte and cathode breakthroughs are surging — UK papers rose from 5→81 and 4→66 respectively, signalling intensifying cell-chemistry innovation.
rising sub-themes (early→recent)
- Battery (electricity)10→109
- Renewable energy5→85
- Electrolyte5→81
- Electrochemistry4→72
- Cathode4→66
Newly emergingPhotovoltaic system 0→43 · Thermal energy storage 0→38 · Faraday efficiency 0→34
Landmark Ultrahigh–energy density lead-free dielectric films via polymorphic nanodomain design · 1,078 cites
◆
Advancements946 · 45%
▲ 38%→46% share
▲1.2× share momentum1 median citations93% since 2021mostly methods-led
Thermal energy storage advancements are accelerating rapidly — UK papers climbed from 5→125, with phase-change materials newly emerging at 31 papers.
rising sub-themes (early→recent)
- Renewable energy6→223
- Battery (electricity)11→144
- Thermal energy storage5→125
- Photovoltaic system1→71
- Electricity4→73
Newly emergingPower (physics) 0→71 · Thermal 0→34 · Phase-change material 0→31
Landmark Progress in electrical energy storage system: A critical review · 3,625 cites
▼
Concerns313 · 15%
▼ 18%→14% share
▼0.8× share momentum2 median citations88% since 2021mostly reviews
Concern-flagged renewable-energy research is rising sharply — papers grew 5→96, even as concerns' overall field-share shrank from 18%→14%.
rising sub-themes (early→recent)
- Renewable energy5→96
- Battery (electricity)6→65
- Electrolyte3→32
- Nanotechnology5→32
- Cathode2→25
Newly emergingWind power 0→15 · Power (physics) 0→14 · Thermal 0→11
Landmark Na-ion batteries, recent advances and present challenges to become low cost energy storage systems · 3,492 cites
RESEARCH HOTSPOTS · United Kingdom
Where energy storage is researched across United Kingdom
Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.
London367 · +0.48
Birmingham115 · +0.50
Cambridge109 · +0.47
Manchester94 · +0.51
Oxford91 · +0.42
Edinburgh88 · +0.43
Glasgow87 · +0.52
Bristol11 · +0.76
PATENT SIGNAL · United Kingdom
Who's filing energy storage patents in the United Kingdom
United Kingdom energy storage patent filing is accelerating — 891 filings from 356 assignees (2016–2025), led by Dyson Technology, Highview Entpr, Sunamp; annual filings 61→106.
891 filings356 assigneespeak 128/yr2016–2025
filing momentum (YoY 2016–2025)
top patent filers
- Dyson Technology97
- Highview Entpr45
- Sunamp35
- Jaguar LAND Rover34
- Power ROLL33
- Gravitricity33
- Isentropic32
- GE Energy Power Conversion Techn27
Common questions
How many Energy Tech companies are there in United Kingdom?
Radar tracks 1749 indexable Energy Tech companies headquartered in United Kingdom that meet our profile-completeness bar.
What is the total funding raised by Energy Tech companies in United Kingdom?
The Energy Tech companies in United Kingdom on this list have raised a combined $16.5B in disclosed equity funding across 570 funded companies.
Which is the highest-funded Energy Tech company in United Kingdom?
Octopus Energy is the highest-funded Energy Tech company in United Kingdom, with $2B in disclosed equity funding.
How many Energy Tech companies in United Kingdom are funded?
570 of the 1749 Energy Tech companies in United Kingdom on this list have disclosed at least one equity funding round.
How many Energy Tech unicorns are there in United Kingdom?
7 Energy Tech companies in United Kingdom on this list are valued at $1B or more.
Who are the top investors in United Kingdom Energy Tech companies?
The most active investors in United Kingdom Energy Tech companies on this list include Europa, Gov, Scottish Enterprise, EIC Fund, Advanced Propulsion Centre UK.
Riya SenguptaFinancials
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.