Radar · Energy in United Kingdom
Best Energy Companies in United Kingdom
The 2174 best Energy companies in United Kingdom in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: EnQuest.
By Riya SenguptaFinancials
2174companies tracked
$18.9Bdisclosed funding
3unicorns
402have raised
Energy companies in the United Kingdom account for 2,174 tracked firms and $18.9 billion in disclosed funding, and this directory ranks them by equity raised and recent funding momentum. Three unicorns sit inside that pool. Hero Future Energies leads with $725M raised, followed by Pantheon Resources at $682M and Rockhopper Exploration at $475M — figures that reflect real capital commitments, not projected valuations. Venterra Group adds another $231M to the top tier. So what's actually moving the needle right now? Across 138 energy-related apps, median install growth is running at roughly 28% year-on-year, a signal that digital tooling around energy production is accelerating even as broader analyst coverage stays flat. Hot themes inside that growth are solar electricity generation, photovoltaic systems, and community solar farms, which tells you where developer and investor attention is concentrating.
The global market context here is a $61.7B addressable base, driven by flexible loads and distributed energy resources. I'd note that regulatory pressure around distributed generation is already reshaping how UK-based filers position their assets, particularly in the solar PV segment. Investors backing this cohort include HSBC, Scottish Enterprise, and the EIC Fund, a mix of institutional and public-sector capital that reflects the strategic, policy-adjacent nature of UK energy investment. The funding concentration is real: the top six companies alone account for more than $2.2B, leaving thousands of smaller filers competing for the remaining capital. If you're evaluating where durable revenue scale actually lives in this sector, that concentration is where to start.
Sources & further reading
- Game-changing program transforms how households pay for power: 'Will see more ho
- Oil Flows via Druzhba Set To Restart Today
- Wind energy: How to build even better wind turbines – DW – 04/05/2025
FLIAR INTELLIGENCE · ENERGY × UNITED KINGDOM
Our analysis of 70 Energy companies
$14.2b in tracked funding; 77% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2020.
70companies analysed
77%cloud-native stacks
2020funding peak (by rounds)
1unicorns
2013median founding year
808kcombined LinkedIn audience
38%of audience held by top 3
9companies hiring publicly (12 mo)
Ranked: Best Energy companies in United Kingdom
| # | Company | Disclosed funding | Last round | Employees | Founded | Tech stack | Market signals (1y) | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | EnQuest Operator of energy production and decarbonisation infrastructure 45Partners top 21%News top 31%Market top 33%Funding top 34% All 8 signals ▾Partnerstop 21% Newstop 31% Markettop 33% Fundingtop 34% Fin. healthtop 48% Growthbottom 43% Globalbottom 30% Techbottom 26% Partners: 4 partnership announcements in 12 mo (6 in 24 mo) · 10 contract events in 12 mo News: 21 BI events in 12 mo (of 180 tracked, 12 types) · +50% YoY rank vs industry peers · Fliar Intelligence Index 45/100 | $1.9B | 60 mo ago | 715 715 → 887 (+24%) | 2010 | TYPO3 CMSPHPApache HTTP Server+11 | 21 signals ▲50% Contracts · Announcements · Earnings | — | — |
| 2 | Drax Provider of bioenergy generation and wood pellets producing services 55Product top 18%News top 21%Partners top 26%Innovation top 35% All 11 signals ▾Producttop 18% Newstop 21% Partnerstop 26% Innovationtop 35% Growthtop 36% Techtop 36% Fundingtop 43% Talenttop 45% Marketbottom 47% Globalbottom 41% Fin. healthbottom 20% Product: 1 product launch event in 12 mo, 1 the year before · 4 distinct product lines News: 56 BI events in 12 mo (of 249 tracked, 13 types) · +367% YoY rank vs industry peers · Fliar Intelligence Index 55/100 | $1.5B | 68 mo ago | 3,122 | 2005 | WordPressApple iCloud MailMicrosoft 365+34 | 56 signals ▲367% Contracts · Announcements · Earnings | — | — |
| 3 | Hero Future Energies 🦄 Company focused on solar, wind, energy storage, and green hydrogen solutions 67Moat top 18%Innovation top 20%Product top 21%Funding top 22% All 11 signals ▾Moattop 18% Innovationtop 20% Producttop 21% Fundingtop 22% Talenttop 28% Fin. healthtop 44% Markettop 45% Growthbottom 47% Techbottom 42% Globalbottom 39% Newsbottom 30% Moat: Top 3% by revenue among 253 tracked Wind Energy companies · Editorial + unicorn rating 8/10 Innovation: 12 product lines rank vs industry peers · Fliar Intelligence Index 67/100 | $725M | 8 mo ago | 20 | 2012 | PHPSalesforceLaravel+14 | — | — | 2 expansions |
| 4 | Pantheon Resources Developer of Alaskan oil and gas resources 32Funding top 16%News top 27%Growth top 37%Global bottom 37% All 6 signals ▾Fundingtop 16% Newstop 27% Growthtop 37% Globalbottom 37% Marketbottom 27% Techbottom 27% Funding: Raised $682M across 9 rounds · 9 rounds over 12 yrs (0.8/yr) News: 25 BI events in 12 mo (of 43 tracked, 6 types) · +92% YoY rank vs industry peers · Fliar Intelligence Index 32/100 | $682M | 9 mo ago | 14 14 → 16 (+14%) | 2005 | JoomlaApple iCloud MailMicrosoft 365+12 | 25 signals ▲92% Announcements · Leadership · Funding | — | — |
| 5 | TrailStone Corporate backed infrastructure investment firm focused on oil & gas based sectors 53Funding top 29%Growth top 45%Talent top 45%Global bottom 45% All 6 signals ▾Fundingtop 29% Growthtop 45% Talenttop 45% Globalbottom 45% Marketbottom 40% Newsbottom 24% Funding: Raised $500M across 4 rounds · 4 rounds over 13 yrs (0.3/yr) Growth: Headcount 44 → 52 (+18%) across vintages rank vs industry peers · Fliar Intelligence Index 53/100 | $500M | 29 mo ago | 52 | 2013 | — | — | — | — |
| 6 | Ferroglobe Producer of silicon metal and alloys 64Funding top 22%Product top 28%Market top 33%News top 33% All 8 signals ▾Fundingtop 22% Producttop 28% Markettop 33% Newstop 33% Fin. healthtop 43% Techbottom 49% Growthbottom 40% Globalbottom 37% Funding: Raised $484M across 8 rounds · 8 rounds over 11 yrs (0.7/yr) Product: 1 published app (48 installs) · Company stage: Public rank vs industry peers · Fliar Intelligence Index 64/100 | $484M | 25 mo ago | 3,173 | 2015 | DrupalPHPTradingView+22 | 8 signals ▲100% Earnings · Announcements · Layoffs | — | — |
| 7 | Rockhopper Exploration Exploration and production company 37Funding top 26%News top 27%Growth top 30%Tech bottom 49% All 6 signals ▾Fundingtop 26% Newstop 27% Growthtop 30% Techbottom 49% Globalbottom 30% Marketbottom 24% Funding: Raised $475M across 3 rounds · 3 rounds over 16 yrs (0.2/yr) News: 7 BI events in 12 mo (of 23 tracked, 8 types) · +75% YoY rank vs industry peers · Fliar Intelligence Index 37/100 | $475M | 10 mo ago | 9 | 2004 | WordPressMySQLPHP+21 | 7 signals ▲75% Funding · Regulatory · Announcements | — | 1 partnership |
| 8 | Believ Provider of EV charging infrastructure services 60Funding top 25%Growth top 37%Tech top 37%Product top 47% All 7 signals ▾Fundingtop 25% Growthtop 37% Techtop 37% Producttop 47% Globalbottom 45% Newsbottom 42% Marketbottom 34% Funding: Raised $407M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) Growth: 1 acquisition/expansion move in 24 mo · Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 60/100 | $407M | 12 mo ago | 38 | 2021 | WordPress Site EditorWordPressMySQL+30 | — | — | — |
| 9 | Seaway Developer of wind energy projects 57Market top 42%Funding top 45%Growth top 45%Tech top 50% All 6 signals ▾Markettop 42% Fundingtop 45% Growthtop 45% Techtop 50% Globalbottom 30% Newsbottom 27% Market: 922 employees (top 12% of Energy) · Top-5,000,000 web property Funding: Raised $402M across 1 rounds · 1 rounds over 3 yrs (0.3/yr) rank vs industry peers · Fliar Intelligence Index 57/100 | $402M | 31 mo ago | 922 | 2018 | WordPressPleskMySQL+20 | — | — | 1 award |
| 10 | firmus energy Provider of natural gas distribution and related services 55Product top 26%Innovation top 36%Tech top 38%Funding top 40% All 8 signals ▾Producttop 26% Innovationtop 36% Techtop 38% Fundingtop 40% Growthtop 45% Marketbottom 44% Globalbottom 37% Newsbottom 21% Product: 7 distinct product lines · Company stage: Acquired Innovation: 7 product lines rank vs industry peers · Fliar Intelligence Index 55/100 | $271M | 28 mo ago | 109 | 2005 | Apple iCloud MailMicrosoft 365PHP+25 | — | — | — |
| 11 | Ross-Shire Engineering Provider of modular water treatment solutions and asset management services 50Fin. health top 38%Funding top 42%Tech top 43%Market top 50% All 7 signals ▾Fin. healthtop 38% Fundingtop 42% Techtop 43% Markettop 50% Talentbottom 49% Globalbottom 32% Newsbottom 24% Fin. health: Revenue ~$238M Funding: Raised $266M · 2 rounds over 10 yrs (0.2/yr) rank vs industry peers · Fliar Intelligence Index 50/100 | $266M | 33 mo ago | 666 | 1997 | WordPress Block EditorWordPressMySQL+15 | — | — | 3 awards |
| 12 | Enzen Provider of consulting, technology, engineering, and operating services for businesses 42Talent top 22%Funding top 33%Moat top 34%Product top 40% All 10 signals ▾Talenttop 22% Fundingtop 33% Moattop 34% Producttop 40% Techtop 48% Marketbottom 47% Globalbottom 45% Fin. healthbottom 40% Growthbottom 35% Newsbottom 27% Talent: Analyst team rating 5/5 · 3 named leaders on record Funding: Raised $252M across 8 rounds · 8 rounds over 19 yrs (0.4/yr) rank vs industry peers · Fliar Intelligence Index 42/100 | $252M | 24 mo ago | 2 | 2006 | WagtailPythonDjango+15 | — | — | — |
| 13 | Venterra Group Developer of wind energy projects 62Funding top 21%Tech top 35%Talent top 36%Market top 46% All 11 signals ▾Fundingtop 21% Techtop 35% Talenttop 36% Markettop 46% Growthtop 48% Fin. healthtop 48% Patentsbottom 49% Globalbottom 44% Moatbottom 44% Innovationbottom 43% Newsbottom 28% Funding: Raised $231M across 5 rounds · 5 rounds over 4 yrs (1.2/yr) Tech: 37 technologies across 4/8 capability areas · Cloud: Cloudflare rank vs industry peers · Fliar Intelligence Index 62/100 | $231M | 5 mo ago | 500 | 2021 | WordPressMySQLPHP+31 | — | 3 patents Subsea anchoring systems for offshore structures and pipelines | 1 expansion · 1 award |
| 14 | AMP Clean Energy Provider of heat decarbonisation, grid flexibility, and energy services 37Funding top 31%Tech top 47%Growth bottom 44%Market bottom 43% All 5 signals ▾Fundingtop 31% Techtop 47% Growthbottom 44% Marketbottom 43% Globalbottom 37% Funding: Raised $199M across 8 rounds · 8 rounds over 7 yrs (1.1/yr) Tech: 26 technologies across 4/8 capability areas · Cloud: Amazon Ses, Amazon Web Services rank vs industry peers · Fliar Intelligence Index 37/100 | $199M | 10 mo ago | 142 | 2006 | WordPress Block EditorWordPressApple iCloud Mail+22 | — | — | — |
| 15 | Haventus Developer of offshore wind energy projects 22Funding top 45%Growth top 45%Talent bottom 49%Tech bottom 44% All 6 signals ▾Fundingtop 45% Growthtop 45% Talentbottom 49% Techbottom 44% Globalbottom 32% Marketbottom 21% Funding: Raised $108M across 1 rounds · 1 rounds over 2 yrs (0.5/yr) rank vs industry peers · Fliar Intelligence Index 22/100 | $108M | 25 mo ago | 9 | 2023 | WordPressMySQLPHP+16 | — | — | 2 job openings · 1 partnership · 1 expansion |
| 16 | CNG Fuels Supplier of renewable biomethane fuel for heavy goods vehicles 62Innovation top 20%Growth top 21%Product top 32%Funding top 35% All 11 signals ▾Innovationtop 20% Growthtop 21% Producttop 32% Fundingtop 35% Talenttop 38% Newstop 45% Techtop 49% Fin. healthbottom 44% Globalbottom 37% Marketbottom 33% Partnersbottom 32% Innovation: 4 product lines Growth: Revenue +173% YoY · Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 62/100 | $107M | 7 mo ago | 22 | 2014 | WebflowApple iCloud MailLeaflet+19 | — | — | 1 expansion · 1 award |
| 17 | First Light Fusion Pulse-powered nuclear fusion process developer 57Patents top 22%Innovation top 25%Moat top 28%Funding top 31% All 10 signals ▾Patentstop 22% Innovationtop 25% Moattop 28% Fundingtop 31% Producttop 35% Growthtop 37% Talentbottom 49% Techbottom 48% Marketbottom 41% Globalbottom 40% Patents: 75 patents matched (strict assignee match) · 65 filings since 2022 vs 10 in 2017-21 Innovation: 75 patents (top 29% of patent-holders) · 65 filings since 2022 vs 10 in 2017-21 rank vs industry peers · Fliar Intelligence Index 57/100 | $105M | 1 mo ago | 66 66 → 83 (+26%) | 2011 | WordPressMySQLPHP+21 | — | 75 patents Inertial confinement fusion systems using shockwave-driven fuel compression and pulsed power. | 2 job openings · 1 launch · 1 partnership |
| 18 | Kensa Group Developer of geothermal energy projects 11Funding top 45%Market bottom 38%News bottom 32%Global bottom 32% All 6 signals ▾Fundingtop 45% Marketbottom 38% Newsbottom 32% Globalbottom 32% Growthbottom 30% Fin. healthbottom 23% Funding: Raised $97.3M · 3 rounds over 6 yrs (0.5/yr) Market: 111 employees (top 40% of Energy) · Revenue ~$21.9M rank vs industry peers · Fliar Intelligence Index 11/100 | $97M | 13 mo ago | 111 | 2014 | — | — | — | — |
| 19 | Tokamak Energy Developer of commercialize clean, secure fusion energy, and high temperature superconducting magnet technology 55Patents top 21%Innovation top 27%Growth top 35%Funding top 37% All 10 signals ▾Patentstop 21% Innovationtop 27% Growthtop 35% Fundingtop 37% Talenttop 38% Moattop 44% Techbottom 45% Globalbottom 42% Marketbottom 32% Newsbottom 18% Patents: 632 patents matched (strict assignee match) · 352 filings since 2022 vs 266 in 2017-21 Innovation: 632 patents (top 11% of patent-holders) · 352 filings since 2022 vs 266 in 2017-21 rank vs industry peers · Fliar Intelligence Index 55/100 | $87M | 18 mo ago | — | 2009 | WordPressMySQLPHP+17 | — | 632 patents HTS fusion magnet coils, insulation, and divertor/hydrogen handling for compact tokamaks | 1 partnership |
| 20 | Elgin Developer of solar renewable energy power projects 32Talent top 28%Growth top 37%News top 40%Funding top 47% All 9 signals ▾Talenttop 28% Growthtop 37% Newstop 40% Fundingtop 47% Techbottom 42% Globalbottom 37% Partnersbottom 32% Marketbottom 26% Fin. healthbottom 18% Talent: 3 named leaders on record · 3 C-suite/founder profiles curated Growth: 1 acquisition/expansion move in 24 mo · Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 32/100 | $78M | 22 mo ago | — | 2009 | Webflow EcommerceWebflowApple iCloud Mail+10 | 3 signals ▲200% Contracts · Hiring · Funding | — | — |
| 21 | Renewco Power Developer of solar and wind energy projects 40Funding top 38%Talent top 38%Growth top 45%Tech bottom 49% All 7 signals ▾Fundingtop 38% Talenttop 38% Growthtop 45% Techbottom 49% Newsbottom 43% Globalbottom 29% Marketbottom 27% Funding: Raised $71.6M across 2 rounds · 2 rounds over 5 yrs (0.4/yr) Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 40/100 | $72M | 5 mo ago | 22 | 2021 | Windows ServerMicrosoft ASP.NETReact+15 | — | — | — |
| 22 | Petro Matad Petroleum exploration, development, and production company in Mongolia 35Funding top 32%Talent top 35%Growth top 40%News top 47% All 7 signals ▾Fundingtop 32% Talenttop 35% Growthtop 40% Newstop 47% Techbottom 39% Globalbottom 37% Marketbottom 25% Funding: Raised $65.2M across 3 rounds · 3 rounds over 9 yrs (0.3/yr) Talent: Analyst team rating 5/5 · 1 named leader on record rank vs industry peers · Fliar Intelligence Index 35/100 | $65M | 11 mo ago | — | 2005 | WordPressMySQLPHP+20 | 4 signals Funding · Announcements | — | — |
| 23 | 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 | 2016 | WordPressApple iCloud MailGoogle Workspace+35 | — | — | — |
| 24 | Xlinks Independent solar power producer on a utility scale 21Funding top 45%Tech top 46%Talent bottom 49%Moat bottom 38% All 8 signals ▾Fundingtop 45% Techtop 46% Talentbottom 49% Moatbottom 38% Globalbottom 37% Growthbottom 35% Newsbottom 32% Marketbottom 19% Funding: Raised $62.6M across 2 rounds · 2 rounds over 3 yrs (0.7/yr) Tech: 28 technologies across 3/8 capability areas · Cloud: Cloudflare rank vs industry peers · Fliar Intelligence Index 21/100 | $63M | 30 mo ago | 2 | 2019 | WordPressMySQLPHP+24 | — | — | 1 job opening |
| 25 | Energean Offshore oil & gas exploration and production company 48Partners top 23%Funding top 35%Market top 36%Fin. health top 41% All 10 signals ▾Partnerstop 23% Fundingtop 35% Markettop 36% Fin. healthtop 41% Newstop 44% Moattop 48% Talentbottom 49% Growthbottom 42% Globalbottom 36% Techbottom 32% Partners: 5 contract events in 12 mo · Named contractor/client in 5 deals Funding: Raised $60.0M across 2 rounds · 2 rounds over 13 yrs (0.2/yr) rank vs industry peers · Fliar Intelligence Index 48/100 | $60M | 30 mo ago | 527 | 2007 | JavaBootstrapApache HTTP Server+7 | 24 signals ▼33% Announcements · Earnings · Contracts | — | 1 expansion |
| 26 | Ascent Resources Exploration and production company 7News top 34%Funding top 36%Global bottom 37%Fin. health bottom 26% All 5 signals ▾Newstop 34% Fundingtop 36% Globalbottom 37% Fin. healthbottom 26% Marketbottom 14% News: 3 BI events in 12 mo (of 21 tracked, 8 types) · +200% YoY Funding: Raised $56.2M across 9 rounds · 9 rounds over 17 yrs (0.5/yr) rank vs industry peers · Fliar Intelligence Index 7/100 | $56M | 21 mo ago | 7 | 2004 | — | 3 signals ▲200% M&A · Leadership | — | — |
| 27 | Blue Energy Producer of nuclear energy 24Funding top 40%Talent bottom 49%Moat bottom 48%Growth bottom 47% All 8 signals ▾Fundingtop 40% Talentbottom 49% Moatbottom 48% Growthbottom 47% Techbottom 44% Globalbottom 36% Newsbottom 33% Marketbottom 29% Funding: Raised $45.0M across 2 rounds · 2 rounds over 2 yrs (1.0/yr) Talent: 1 named leader on record · 1 C-suite/founder profile curated rank vs industry peers · Fliar Intelligence Index 24/100 | $45M | 2 mo ago | 15 | 2023 | WordPressMySQLPHP+16 | 3 signals ▼77% Funding | — | 1 internship · 1 partnership |
| 28 | Naked Energy Provider of heat decarbonization solutions 42Moat top 32%Growth top 35%Tech top 40%Patents top 40% All 9 signals ▾Moattop 32% Growthtop 35% Techtop 40% Patentstop 40% Fundingtop 41% Innovationtop 50% Globalbottom 42% Marketbottom 30% Newsbottom 18% Moat: Editorial + unicorn rating 7/10 · IP moat: 45 patents Growth: Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 42/100 | $42M | 23 mo ago | 15 | 2009 | Cart FunctionalitySquarespace CommerceSquarespace+20 | — | 45 patents Sealed vessels and heat exchangers for solar‑thermal power and high‑temperature process systems | 1 award |
| 29 | Union Jack Oil E&P company with interests in UK-based oil reserves 19Funding top 45%Talent top 45%News top 49%Growth top 50% All 8 signals ▾Fundingtop 45% Talenttop 45% Newstop 49% Growthtop 50% Techbottom 44% Globalbottom 30% Fin. healthbottom 30% Marketbottom 14% Funding: Raised $39.3M across 13 rounds · 13 rounds over 12 yrs (1.1/yr) Talent: 2 named leaders on record rank vs industry peers · Fliar Intelligence Index 19/100 | $39M | 10 mo ago | 4 | 2011 | WordPressMySQLPHP+16 | 7 signals ▼53% Announcements · Funding · Acquisition | — | — |
| 30 | Aurora Energy Services Aurora Energy is a company focused on driving the energy transition forward and providing safe and reliable… 42Growth top 22%News top 29%Funding top 43%Tech bottom 43% All 7 signals ▾Growthtop 22% Newstop 29% Fundingtop 43% Techbottom 43% Talentbottom 39% Globalbottom 29% Marketbottom 28% Growth: Web rank 10,000,000 → 5,000,000 YoY · 2 acquisition/expansion moves in 24 mo News: 6 BI events in 12 mo (of 17 tracked, 7 types) · +200% YoY rank vs industry peers · Fliar Intelligence Index 42/100 | $39M | 3 mo ago | — | 2022 | WebflowSalesforceLinkedin Insight Tag+14 | 6 signals ▲200% Hiring · Funding · Leadership | — | 3 job openings |
| 31 | UKOG Developer of large-scale underground hydrogen storage projects 32Growth top 35%Funding top 38%Fin. health top 42%Talent bottom 49% All 7 signals ▾Growthtop 35% Fundingtop 38% Fin. healthtop 42% Talentbottom 49% Globalbottom 34% Marketbottom 25% Techbottom 22% Growth: Fresh capital in last 24 mo Funding: Raised $26.1M across 4 rounds · 4 rounds over 9 yrs (0.4/yr) rank vs industry peers · Fliar Intelligence Index 32/100 | $26M | 8 mo ago | 10 | 2000 | Cart FunctionalityPleskPHP+4 | — | — | — |
| 32 | Critical Loop Provider of off grid power sharing service to provide quick access to increased power capacity and cost… 79Growth top 28%Tech top 33%Talent top 38%News top 43% All 6 signals ▾Growthtop 28% Techtop 33% Talenttop 38% Newstop 43% Fundingtop 47% Globalbottom 48% Growth: Web rank 50,000,000 → 10,000,000 YoY · Fresh capital in last 24 mo Tech: 27 technologies across 4/8 capability areas · Cloud: Amazon Ses, Amazon Web Services rank vs industry peers · Fliar Intelligence Index 79/100 | $26M | 4 mo ago | — | 2022 | WebflowApple iCloud MailGoogle Workspace+18 | 3 signals Funding | — | 1 award |
| 33 | Sulmara International offshore survey contractor providing solutions for the energy industry 14Tech top 46%Funding bottom 45%Growth bottom 40%Global bottom 37% All 7 signals ▾Techtop 46% Fundingbottom 45% Growthbottom 40% Globalbottom 37% Marketbottom 31% Newsbottom 28% Fin. healthbottom 11% Tech: 24 technologies across 4/8 capability areas · Cloud: Amazon Ses, Amazon Web Services Funding: Raised $18.9M across 1 rounds · 1 rounds over 2 yrs (0.5/yr) rank vs industry peers · Fliar Intelligence Index 14/100 | $19M | 18 mo ago | 161 | 2018 | PHPVimeoAmazon Web Services+15 | — | — | 1 job opening · 1 award |
| 34 | Zephyr Energy Provider of oil & gas exploration and production services 13Funding top 39%Growth bottom 47%Tech bottom 38%Global bottom 30% All 6 signals ▾Fundingtop 39% Growthbottom 47% Techbottom 38% Globalbottom 30% Newsbottom 24% Marketbottom 9% Funding: Raised $18.8M across 4 rounds · 4 rounds over 6 yrs (0.7/yr) Growth: Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 13/100 | $19M | 11 mo ago | 2 | 2002 | WordPress Block EditorWordPressMySQL+17 | — | — | 1 expansion |
| 35 | Marine Power Systems Developer of technology for deep-water offshore wind energy deployment 53Innovation top 23%Patents top 24%Talent top 28%Moat top 29% All 9 signals ▾Innovationtop 23% Patentstop 24% Talenttop 28% Moattop 29% Fundingtop 40% Producttop 41% Globalbottom 45% Techbottom 38% Marketbottom 35% Innovation: 175 patents (top 19% of patent-holders) · 90 filings since 2022 vs 48 in 2017-21 Patents: 175 patents matched (strict assignee match) · 90 filings since 2022 vs 48 in 2017-21 rank vs industry peers · Fliar Intelligence Index 53/100 | $18M | 18 mo ago | 14 14 → 34 (+143%) | 2008 | WordPressMySQLPHP+18 | — | 175 patents Floating offshore renewable energy platforms and wind turbine support structures | 1 launch · 1 award |
| 36 | Chariot Developer of solar and wind energy projects 60Growth top 35%Funding top 41%Market top 42%Tech bottom 42% All 6 signals ▾Growthtop 35% Fundingtop 41% Markettop 42% Techbottom 42% Newsbottom 36% Globalbottom 25% Growth: Fresh capital in last 24 mo Funding: Raised $14.5M across 2 rounds · 2 rounds over 2 yrs (1.0/yr) rank vs industry peers · Fliar Intelligence Index 60/100 | $14M | 12 mo ago | 4,228 | 2021 | WordPressMySQLPHP+14 | — | — | — |
| 37 | Mocean Energy Provider of marine energy generation services 32Growth top 35%Funding top 44%Patents top 48%Tech top 49% All 9 signals ▾Growthtop 35% Fundingtop 44% Patentstop 48% Techtop 49% Moatbottom 49% Globalbottom 45% Innovationbottom 37% Newsbottom 22% Marketbottom 18% Growth: Fresh capital in last 24 mo Funding: Raised $8.8M · 8 rounds over 7 yrs (1.1/yr) rank vs industry peers · Fliar Intelligence Index 32/100 | $9M | 15 mo ago | 11 11 → 17 (+55%) | 2013 | WordPressMySQLPHP+13 | — | 17 patents Offshore wave-energy conversion devices and mooring systems for marine power generation | — |
| 38 | Quadrise Provider of exploration and production services for oil & gas sector 40Patents top 31%Innovation top 41%Funding top 47%Talent top 48% All 11 signals ▾Patentstop 31% Innovationtop 41% Fundingtop 47% Talenttop 48% Moatbottom 49% Growthbottom 47% Techbottom 45% Partnersbottom 42% Globalbottom 38% Marketbottom 33% Newsbottom 33% Patents: 16 patents matched (strict assignee match) · 11 filings since 2022 vs 1 in 2017-21 Innovation: 16 patents (top 63% of patent-holders) · 11 filings since 2022 vs 1 in 2017-21 rank vs industry peers · Fliar Intelligence Index 40/100 | $8M | 16 mo ago | — | 2006 | WordPress Block EditorWordPressMySQL+19 | 3 signals ▼88% Leadership · Contracts | 16 patents Oil-in-water emulsion production systems and related emulsification technologies | — |
| 39 | DRIFT Energy Renewable energy company harnessing the power of the oceans to generate clean, green energy through… 24Growth top 45%Funding top 47%Talent bottom 49%Tech bottom 48% All 6 signals ▾Growthtop 45% Fundingtop 47% Talentbottom 49% Techbottom 48% Globalbottom 32% Marketbottom 14% Growth: Web rank 10,000,000 → 50,000,000 YoY · Fresh capital in last 24 mo Funding: Raised $6.4M · 2 rounds over 3 yrs (0.7/yr) rank vs industry peers · Fliar Intelligence Index 24/100 | $6M | 22 mo ago | 4 | 2021 | Cart FunctionalitySquarespace CommerceSquarespace+15 | — | — | 1 partnership |
| 40 | Flyfirefly Developer of sustainable aviation fuel from sewage waste 27Growth top 35%Funding top 46%Tech bottom 49%Talent bottom 49% All 7 signals ▾Growthtop 35% Fundingtop 46% Techbottom 49% Talentbottom 49% Globalbottom 37% Newsbottom 21% Marketbottom 10% Growth: Fresh capital in last 24 mo Funding: Raised $6.4M · 1 rounds over 3 yrs (0.3/yr) rank vs industry peers · Fliar Intelligence Index 27/100 | $6M | 12 mo ago | 3 | — | WordPressMySQLPHP+19 | — | — | 2 partnerships |
| 41 | Tower Resources Oil and gas E&P company 27Growth top 41%News top 42%Funding top 44%Partners top 47% All 7 signals ▾Growthtop 41% Newstop 42% Fundingtop 44% Partnerstop 47% Techtop 50% Globalbottom 32% Marketbottom 24% Growth: Web rank 50,000,000 → 10,000,000 YoY · 1 acquisition/expansion move in 24 mo News: 7 BI events in 12 mo (of 74 tracked, 10 types) · -30% YoY rank vs industry peers · Fliar Intelligence Index 27/100 | $6M | 8 mo ago | 6 | 2005 | WordPressMySQLPHP+21 | 7 signals ▼30% Funding · Contracts · Leadership | — | — |
| 42 | Cambridge Photon Provider of a photon multiplier film to photovoltaic module manufacturers for increasing the efficiency of… 55Funding top 44%Global bottom 45% All 2 signals ▾Fundingtop 44% Globalbottom 45% Funding: Raised $2.0M across 2 rounds · 2 rounds over 1 yrs (2.0/yr) Global: Investors from 2 countries beyond United Kingdom rank vs industry peers · Fliar Intelligence Index 55/100 | $2M | 7 mo ago | 11 | 2019 | — | — | — | — |
| 43 | Senergy Developer of solar energy projects 42Funding top 48%Global top 48%Patents bottom 49%Talent bottom 45% All 6 signals ▾Fundingtop 48% Globaltop 48% Patentsbottom 49% Talentbottom 45% Innovationbottom 44% Productbottom 40% Funding: Raised $1.7M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) Global: Investors from 2 countries beyond United Kingdom rank vs industry peers · Fliar Intelligence Index 42/100 | $2M | 3 mo ago | 9 | 2013 | — | — | 19 patents Coal-bed methane drilling, production optimization, and well performance simulation technologies. | — |
| 44 | Myriad Wind Energy Systems Manufacturer of wind turbines 7Funding top 46%Global bottom 32%Market bottom 21% All 3 signals ▾Fundingtop 46% Globalbottom 32% Marketbottom 21% Funding: Raised $1.6M across 3 rounds · 3 rounds over 3 yrs (1.0/yr) Global: Single-market focus (United Kingdom) rank vs industry peers · Fliar Intelligence Index 7/100 | $2M | 5 mo ago | 5 | 2021 | — | — | — | — |
| 45 | Porpoise Power Developer of a tidal generator technology using bio-inspired hydropower systems, aiming to generate power… 35Talent bottom 49%Funding bottom 47%Tech bottom 44%Global bottom 33% All 4 signals ▾Talentbottom 49% Fundingbottom 47% Techbottom 44% Globalbottom 33% Talent: 1 named leader on record · 1 C-suite/founder profile curated Funding: Raised $1.6M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) rank vs industry peers · Fliar Intelligence Index 35/100 | $2M | 14 mo ago | — | 2023 | WebflowTypekitGoogle Font API+12 | — | — | — |
| 46 | Exergy3 Developer of geothermal energy projects 53Growth top 15%News top 29%Talent top 38%Tech top 42% All 10 signals ▾Growthtop 15% Newstop 29% Talenttop 38% Techtop 42% Fundingtop 46% Patentstop 47% Innovationbottom 43% Moatbottom 42% Globalbottom 40% Marketbottom 22% Growth: Fresh capital in last 24 mo News: 5 BI events in 12 mo (of 5 tracked, 1 types) · 5 high-value events (IPO/M&A/funding/contracts) in 12 mo rank vs industry peers · Fliar Intelligence Index 53/100 | $1M | 1 mo ago | — | 2023 | WordPressMySQLPHP+21 | 5 signals Funding | 3 patents Phase‑change thermal energy storage systems for industrial heat management | 4 job openings |
| 47 | Orcadian Oil and gas development company 10Funding top 44%Talent bottom 49%Global bottom 30%News bottom 18% All 5 signals ▾Fundingtop 44% Talentbottom 49% Globalbottom 30% Newsbottom 18% Marketbottom 15% Funding: Raised $675k 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 10/100 | $675K | 5 mo ago | 6 | 2014 | — | — | — | — |
| 48 | MuWave Provider of engineering solutions and services 27Talent top 38%Funding bottom 44%Global bottom 33% All 3 signals ▾Talenttop 38% Fundingbottom 44% Globalbottom 33% Talent: 2 named leaders on record · 2 C-suite/founder profiles curated Funding: Raised $615k across 1 rounds · 1 rounds over 1 yrs (1.0/yr) rank vs industry peers · Fliar Intelligence Index 27/100 | $615K | 4 mo ago | — | 2024 | — | — | — | 1 job opening · 1 internship |
| 49 | Sinewave Provider of solar operation & maintenance service 19Tech top 50%Growth bottom 44%Fin. health bottom 44%Funding bottom 37% All 6 signals ▾Techtop 50% Growthbottom 44% Fin. healthbottom 44% Fundingbottom 37% Globalbottom 30% Marketbottom 21% Tech: 21 technologies across 3/8 capability areas · Security: Hsts Growth: Headcount 40 → 32 (-20%) across vintages · Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 19/100 | $400K | 9 mo ago | 32 | 2008 | Cart FunctionalitySquarespace CommerceSquarespace+18 | — | — | 2 partnerships · 1 expansion |
| 50 | PennPetro Energy Oil and gas production company 6Funding top 50%Tech bottom 35%Global bottom 30%Market bottom 16% All 4 signals ▾Fundingtop 50% Techbottom 35% Globalbottom 30% Marketbottom 16% Funding: Raised $342k across 1 rounds · 1 rounds over 1 yrs (1.0/yr) Tech: 10 technologies across 2/8 capability areas · Security: Hsts rank vs industry peers · Fliar Intelligence Index 6/100 | $342K | 4 mo ago | 3 | 2016 | GoDaddy Website BuilderReactRequireJS+7 | — | — | — |
Top 12 Energy companies in United Kingdom
#1
Series C · Oxford, England · founded 2011 · 66 employees$105.4Mraised▾
Series C · Oxford, England · founded 2011 · 66 employees
First Light is developing a nuclear fusion process based on inertial confinement fusion. The process involves symmetrical implosion reaction of the helium produced from water which claims to produce a temperature that of the sun core. This heat energy is then utilized for power production.
Fliar Intelligence Index™ 57how this company ranks against its industry peers
Patents
top 22%Innovation
top 25%Moat
top 28%Funding
top 31%Product
top 35%Growth
top 37%Patents: 75 patents matched (strict assignee match) · 65 filings since 2022 vs 10 in 2017-21 · Latest publication 2026
Innovation: 75 patents (top 29% of patent-holders) · 65 filings since 2022 vs 10 in 2017-21 · 2 product lines
Moat: Editorial + unicorn rating 8/10 · IP moat: 75 patents · Soonicorn
Audience (LinkedIn): 19k LinkedIn followers — 2.3% of this cohort's audience
Hiring (LinkedIn): 2 hiring posts in 12 mo (public) · momentum +2 · hiring: Data-Driven Engineering Team, HPC Engineer / IT Systems Engineer
Activity (LinkedIn): 1 product launches · 1 partnerships (incl. Japan Engineers Federation (JEF)) announced in 12 mo
Funding rounds
- Apr 2026Series C$33.8M
- Feb 2022Series C$45M
- Dec 2020Series B$25M
- Aug 2015Series B$35.4M
Founders & team
Investors
IP Group, Invesco, Parkwalk, Oxford Science Enterprises, Hostplus, Tencent
Tech stack
Apache Http ServerCloudflareCloudflare Bot ManagementGoogle AnalyticsGoogle Font ApiGsap
#2
Series D · London, England · founded 2012 · 20 employees$725Mraised▾
Series D · London, England · founded 2012 · 20 employees
Company focused on solar, wind, energy storage, and green hydrogen solutions. The company develops and implements utility-scale and commercial & industrial renewable energy projects. Its include wind and solar power generation, energy storage solutions, and green hydrogen production. The company also focuses on corporate social responsibility initiatives in communities surrounding its projects. Its aim to create a positive environmental and social impact while providing clean energy.
Fliar Intelligence Index™ 67how this company ranks against its industry peers
Moat
top 18%Innovation
top 20%Product
top 21%Funding
top 22%Talent
top 28%Fin. health
top 44%Moat: Top 3% by revenue among 253 tracked Wind Energy companies · Editorial + unicorn rating 8/10 · Unicorn
Innovation: 12 product lines
Product: 12 distinct product lines · Company stage: Series D
Audience (LinkedIn): 103k LinkedIn followers — 12.8% of this cohort's audience
Activity (LinkedIn): 2 expansions announced in 12 mo
Funding rounds
- Oct 2025Conventional Debt$215M
- Sep 2022Series D$450M
- Oct 2019Series D$150M
- Jan 2017Series D$125M
Founders & team
Investors
Masdar, KKR, Hero, IFC Asset Management Company, State Bank of India, Canara Bank
Tech stack
BootstrapBootstrap IconsCdnjsCloudflareFont AwesomeGodaddy
#3
Public · London, England · founded 2005 · 14 employees$682.1Mraised▾
Public · London, England · founded 2005 · 14 employees
Developer of Alaskan oil and gas resources. This company focuses on the appraisal and development of oil and gas fields, leveraging existing infrastructure for efficient production. A key strategy involves near-term development of assets adjacent to existing export pipelines, minimizing upfront capital needs and reducing reliance on external funding until cash flow breakeven. The company also pursues gas sales agreements to support development costs and enhance overall project viability. Efforts include resource assessment, reserve estimation, and securing agreements for gas sales.
Fliar Intelligence Index™ 32how this company ranks against its industry peers
Funding
top 16%News
top 27%Growth
top 37%Global
bottom 37%Market
bottom 27%Tech
bottom 27%Funding: Raised $682M across 9 rounds · 9 rounds over 12 yrs (0.8/yr) · Last round Post IPO (Sep 2025)
News: 25 BI events in 12 mo (of 43 tracked, 6 types) · +92% YoY · 5 high-value events (IPO/M&A/funding/contracts) in 12 mo
Growth: Web rank 10,000,000 → 50,000,000 YoY · Fresh capital in last 24 mo
Audience (LinkedIn): 2k LinkedIn followers
Funding rounds
- Sep 2025Post IPO$30M
- Jul 2025Post IPO$16.2M
- Jun 2024Post IPO$3.4M
- Jun 2023Post IPO$630.9K
Tech stack
Amazon AlbAmazon Web ServicesApache Http ServerApple Icloud MailBootstrapCloudflare
#4
Series D · United Kingdom · founded 2021 · 500 employees$230.8Mraised▾
Series D · United Kingdom · founded 2021 · 500 employees
Developer of wind energy projects
Fliar Intelligence Index™ 62how this company ranks against its industry peers
Funding
top 21%Tech
top 35%Talent
top 36%Market
top 46%Growth
top 48%Fin. health
top 48%Funding: Raised $231M across 5 rounds · 5 rounds over 4 yrs (1.2/yr) · Last round Series D (Dec 2025)
Tech: 37 technologies across 4/8 capability areas · Cloud: Cloudflare · Security: Http/3
Talent: 3 named leaders on record · 3 C-suite/founder profiles curated · 2 leadership moves in 12 mo
Audience (LinkedIn): 20k LinkedIn followers — 2.4% of this cohort's audience
Activity (LinkedIn): 1 awards · 1 expansions announced in 12 mo
Funding rounds
- Dec 2025Series D$53.5M
- Nov 2024Conventional Debt$37.9M
- Oct 2023Series D$8.8M
- Aug 2023Conventional Debt—
Founders & team
Investors
First Reserve, BeyondNetZero, HSBC, Man Capital, General Atlantic
Tech stack
BootstrapBunnyCloudflareHostingerHttp/3Hubspot
#5
Series B · Edinburgh, Scotland · founded 2023 · 15 employees$45Mraised▾
Series B · Edinburgh, Scotland · founded 2023 · 15 employees
Producer of nuclear energy. Company components are prefabricated in the shipyard environment before being transported to their final locations for assembly. Company builds plants in shipyards, which are centralized locations equipped with permanent workforces and automated machinery.
Fliar Intelligence Index™ 24how this company ranks against its industry peers
Funding
top 40%Talent
bottom 49%Moat
bottom 48%Growth
bottom 47%Tech
bottom 44%Global
bottom 36%Funding: Raised $45.0M across 2 rounds · 2 rounds over 2 yrs (1.0/yr) · Last round Series B (Apr 2026)
Talent: 1 named leader on record · 1 C-suite/founder profile curated
Moat: Editorial + unicorn rating 1/10 · 2 curated direct competitors tracked
Audience (LinkedIn): 7k LinkedIn followers
Activity (LinkedIn): 1 partnerships (incl. GE Vernova) announced in 12 mo
Funding rounds
- Apr 2026Series B$380M
- Oct 2024Series A$45M
Founders & team
Investors
Engine Ventures, At One Ventures, Angular Ventures, Tamarack Global, Propeller, Starlight Ventures
Tech stack
CdnjsCloudflareCloudflare Bot ManagementContact Form 7Core-JsDocusign
#6
Public · Salisbury, England · founded 2004 · 9 employees$475Mraised▾
Public · Salisbury, England · founded 2004 · 9 employees
Rockhopper Exploration is a public oil and gas company. The company focuses on exploration and production of oil and gas. The operations of the company are focused in the North Falkland Basin and the Greater Mediterranean region.
Fliar Intelligence Index™ 37how this company ranks against its industry peers
Funding
top 26%News
top 27%Growth
top 30%Tech
bottom 49%Global
bottom 30%Market
bottom 24%Funding: Raised $475M across 3 rounds · 3 rounds over 16 yrs (0.2/yr) · Last round Post IPO (Aug 2025)
News: 7 BI events in 12 mo (of 23 tracked, 8 types) · +75% YoY · 4 high-value events (IPO/M&A/funding/contracts) in 12 mo
Growth: Fresh capital in last 24 mo
Audience (LinkedIn): 2k LinkedIn followers · 112 engagements/post (2.3× cohort median)
Activity (LinkedIn): 3 partnerships · 1 expansions (incl. Navitas Petroleum) announced in 12 mo
Funding rounds
- Aug 2025Post IPO$140M
- Jun 2022Post IPO$7M
- Oct 2010Post IPO$328M
Tech stack
BootstrapCloudflareCloudflare Bot ManagementContact Form 7CookieyesCore-Js
#7
Late Stage · London, England · founded 2014 · 22 employees$107.4Mraised▾
Late Stage · London, England · founded 2014 · 22 employees
Supplier of renewable biomethane fuel for heavy goods vehicles. It provides a sustainable alternative to diesel, offering significant emission reductions. The company operates a network of public access refueling stations and mobile units to ensure fuel availability. Its services are designed to support the transition to cleaner transportation in the heavy goods vehicle sector. The fuel is sourced from renewable waste products, contributing to a more environmentally friendly logistics industry.
Fliar Intelligence Index™ 62how this company ranks against its industry peers
Innovation
top 20%Growth
top 21%Product
top 32%Funding
top 35%Talent
top 38%News
top 45%Innovation: 4 product lines
Growth: Revenue +173% YoY · Fresh capital in last 24 mo
Product: 4 distinct product lines · Company stage: Conventional Debt
Audience (LinkedIn): 4k LinkedIn followers
Activity (LinkedIn): 1 awards · 1 expansions announced in 12 mo
Funding rounds
- Nov 2025Conventional Debt$32.8M
- Dec 2020PE$107.4M
- Aug 2016Grant (prize money)$55.8K
- Mar 2016Grant (prize money)$54.4K
Founders & team
Investors
EIC Fund, Europa, Foresight Group
Tech stack
Apache Http ServerApple Icloud MailCdnjsCentosCloudflareCloudflare Bot Management
#8
Series B · Inverness, Scotland · founded 2022$38.8Mraised▾
Series B · Inverness, Scotland · founded 2022
Aurora Energy is a company that is focused on driving the energy transition forward. They offer electricity, natural gas, and solar energy products, with a commitment to safety and sustainability.
Fliar Intelligence Index™ 42how this company ranks against its industry peers
Growth
top 22%News
top 29%Funding
top 43%Tech
bottom 43%Talent
bottom 39%Global
bottom 29%Growth: Web rank 10,000,000 → 5,000,000 YoY · 2 acquisition/expansion moves in 24 mo · Fresh capital in last 24 mo
News: 6 BI events in 12 mo (of 17 tracked, 7 types) · +200% YoY · 2 high-value events (IPO/M&A/funding/contracts) in 12 mo
Funding: Raised $38.8M across 2 rounds · 2 rounds over 3 yrs (0.7/yr) · Last round Series B (Feb 2026)
Audience (LinkedIn): 31k LinkedIn followers — 3.8% of this cohort's audience
Hiring (LinkedIn): 3 hiring posts in 12 mo (public) · momentum +3
Funding rounds
- Feb 2026Series B$13.5M
- Jan 2024Conventional Debt$25.3M
- 2023Conventional Debt—
Founders & team
Investors
The Scottish National Investment Bank
Tech stack
CloudflareCloudflare TurnstileCookie ScriptGoogle Font ApiGoogle Hosted LibrariesHsts
#9
Public · Liverpool, England · founded 2006 · 142 employees$199.2Mraised▾
Public · Liverpool, England · founded 2006 · 142 employees
Provider of heat decarbonisation, grid flexibility, and energy services. It offers solutions for heat decarbonization, including biomass services and boiler buyback programs. Grid flexibility services encompass battery storage and flexible generation engine services. The company also provides energy services such as biomass servicing and maintenance. These services aim to assist businesses in achieving sustainability targets.
Fliar Intelligence Index™ 37how this company ranks against its industry peers
Funding
top 31%Tech
top 47%Growth
bottom 44%Market
bottom 43%Global
bottom 37%Funding: Raised $199M across 8 rounds · 8 rounds over 7 yrs (1.1/yr) · Last round Post IPO (Aug 2025)
Tech: 26 technologies across 4/8 capability areas · Cloud: Amazon Ses, Amazon Web Services · Devops: Nginx
Growth: Headcount 169 → 142 (-16%) across vintages · Fresh capital in last 24 mo
Funding rounds
- Aug 2025Post IPO$66.4M
- Nov 2019Post IPO$81.4M
- Oct 2018Post IPO$11.2M
- Nov 2017Post IPO$4.9M
Investors
Asterion Industrial, National Wealth Fund
Tech stack
Amazon SesAmazon Web ServicesApple Icloud MailCloudflareCloudflare Bot ManagementCloudways
#10
Series D · Edinburgh, Scotland · founded 2021 · 22 employees$71.6Mraised▾
Series D · Edinburgh, Scotland · founded 2021 · 22 employees
Developer of solar and wind energy projects
Fliar Intelligence Index™ 40how this company ranks against its industry peers
Funding
top 38%Talent
top 38%Growth
top 45%Tech
bottom 49%News
bottom 43%Global
bottom 29%Funding: Raised $71.6M across 2 rounds · 2 rounds over 5 yrs (0.4/yr) · Last round Series D (Dec 2025)
Talent: 2 named leaders on record · 2 C-suite/founder profiles curated
Growth: Web rank 10,000,000 → 50,000,000 YoY · Fresh capital in last 24 mo
Audience (LinkedIn): 5k LinkedIn followers
Funding rounds
- Dec 2025Series D$38.8M
- Sep 2021Series C$32.8M
Founders & team
Investors
Corran Capital, The Scottish National Investment Bank, SSE
Tech stack
AzureHstsIisJqueryLazysizesMicrosoft 365
#11
Funding Raised · Cardiff, Wales · founded 2021 · 38 employees$407.1Mraised▾
Funding Raised · Cardiff, Wales · founded 2021 · 38 employees
Provider of EV charging infrastructure services. It offers of public EV charging solutions, working with local authorities, businesses, and landowners to accelerate the transition to electric vehicles.
Fliar Intelligence Index™ 60how this company ranks against its industry peers
Funding
top 25%Growth
top 37%Tech
top 37%Product
top 47%Global
bottom 45%News
bottom 42%Funding: Raised $407M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) · Last round Conventional Debt (Jun 2025)
Growth: 1 acquisition/expansion move in 24 mo · Fresh capital in last 24 mo
Tech: 45 technologies across 4/8 capability areas · Cloud: Amazon S3, Amazon Web Services · Devops: Nginx
Funding rounds
- Jun 2025Conventional Debt$407.1M
Investors
Liberty Global, Zouk Capital, Santander, Abn Amro, NatWest, MUFG
Tech stack
Amazon S3Amazon Web ServicesBackbone.JsBootstrapChart.JsCloudflare
#12
Series A · United Kingdom · founded 2022$26Mraised▾
Series A · United Kingdom · founded 2022
Critical Loop provides an off-grid power-sharing service that offers increased power capacity and cost savings to commercial and industrial clients. They dispatch batteries to sites during peak demand loads to provide reliable and low impact energy when needed. Their predictive software optimizes energy storage and distribution for efficiency.
Fliar Intelligence Index™ 79how this company ranks against its industry peers
Growth
top 28%Tech
top 33%Talent
top 38%News
top 43%Funding
top 47%Global
bottom 48%Growth: Web rank 50,000,000 → 10,000,000 YoY · Fresh capital in last 24 mo
Tech: 27 technologies across 4/8 capability areas · Cloud: Amazon Ses, Amazon Web Services · Security: Hsts, Http/3
Talent: 2 named leaders on record · 2 C-suite/founder profiles curated
Audience (LinkedIn): 3k LinkedIn followers
Activity (LinkedIn): 1 awards announced in 12 mo
Funding rounds
- Jan 2026Series A$26M
- 2023Seed—
Founders & team
Investors
Climate Capital, Conifer Infrastructure Partners, Hanover Technology Investment Management, Better Ventures, Adapt Nation Capital
Tech stack
Amazon SesAmazon Web ServicesApple Icloud MailCallrailCloudflareGoogle Analytics
Funding & investor landscape
$18.9Btotal disclosed funding
356companies funded
741disclosed rounds
3rounds last 90 days
Most active investors
Gov41 rounds
Notable founders
Andreas Lusch
Co-Founder · First Light Fusion
Geetika Agarwal
CEO · Hero Future Energies
Rahul Munjal
Managing Director · Hero Future Energies
Ayman Asfari
Co-Founder & Executive Chairman · Venterra Group
Philippe Kavafyan
Co-CEO · Venterra Group
Matt Slotkin
Co-Founder · Blue Energy
Baden Gowrie-Smith
Co-Founder & CFO · CNG Fuels
Philip Fjeld
Co-Founder & Director · CNG Fuels
Doug Duguid
CEO · Aurora Energy Services
Frans van den Heuvel
Co-Founder · Renewco Power
Gavin McCallum
CEO · Renewco Power
Lydia Maher
Co-Founder · Critical Loop
Prism market signals · United Kingdom · country-scoped Prism corpus, 1,085,350 docs
Market landscape — 10 sub-themes by coverage
Share of Energy 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 intensifying — papers rose from 5→81 and 4→66 respectively, signalling rapid UK cell-chemistry advances.
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 surging — papers climbed 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-segment share cooling 18%→14% despite renewable-energy risk papers rising 5→96, suggesting concerns aren't keeping pace with deployment research.
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
- Gravitricity33
- Power ROLL33
- Isentropic32
- GE Energy Power Conversion Techn27
Common questions
How many Energy companies are there in United Kingdom?
Radar tracks 2174 indexable Energy companies headquartered in United Kingdom that meet our profile-completeness bar.
What is the total funding raised by Energy companies in United Kingdom?
The Energy companies in United Kingdom on this list have raised a combined $18.9B in disclosed equity funding across 356 funded companies.
Which is the highest-funded Energy company in United Kingdom?
EnQuest is the highest-funded Energy company in United Kingdom, with $1.9B in disclosed equity funding.
How many Energy companies in United Kingdom are funded?
356 of the 2174 Energy companies in United Kingdom on this list have disclosed at least one equity funding round.
How many Energy unicorns are there in United Kingdom?
3 Energy companies in United Kingdom on this list are valued at $1B or more.
Who are the top investors in United Kingdom Energy companies?
The most active investors in United Kingdom Energy companies on this list include Europa, Gov, EIC Fund, HSBC, Scottish Enterprise.
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.