Best Environment Companies in England, United Kingdom
The 1402 best Environment companies in England, United Kingdom in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Thames Water.
Our analysis of 69 Environment companies
$5.7b in tracked funding; 71% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2020.
Ranked: Best Environment companies in England
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | Thames Water Provider of drinking water system services 62Tech top 27%Market top 30%Innovation top 34%Patents top 36% All 10 signals ▾Techtop 27% Markettop 30% Innovationtop 34% Patentstop 36% Fundingtop 38% Partnersbottom 49% Moatbottom 49% Globalbottom 37% Growthbottom 32% Newsbottom 24% Tech: 56 technologies across 4/8 capability areas · Cloud: Amazon S3, Amazon Web Services Market: 7,000 employees (top 4% of Environment) · Top-100,000 web property rank vs industry peers · Fliar Intelligence Index 62/100 | $963M | 35 mo ago | 7,000 | — | SitecoreSalesforceMicrosoft ASP.NET+21 | 12 patents Patents concentrated in computing, sensing & instrumentation | 1 job opening · 1 award |
| 2 | 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 | Geetika Agarwal CEO | PHPSalesforceLaravel+14 | — | 2 expansions |
| 3 | Northumbrian Water Provider of water management and sewage services 79Tech top 24%Funding top 33%Market top 35%Product top 36% All 8 signals ▾Techtop 24% Fundingtop 33% Markettop 35% Producttop 36% Growthtop 38% Moatbottom 38% Globalbottom 25% Newsbottom 21% Tech: 46 technologies across 6/8 capability areas · Cloud: Amazon Cloudfront, Amazon S3 Funding: Raised $529M across 1 rounds · 1 rounds over 12 yrs (0.1/yr) rank vs industry peers · Fliar Intelligence Index 79/100 | $529M | 2 mo ago | 1,707 | — | Optimizely Content ManagementSentryApple iCloud Mail+35 | — | 2 job openings |
| 4 | 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 | — | DrupalPHPTradingView+22 | — | — |
| 5 | 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 | Vinod Nair Co-Founder | WagtailPythonDjango+15 | — | — |
| 6 | Severn Trent Provider of water and waste management services 74Fin. health top 16%Market top 23%Funding top 33%Patents top 41% All 11 signals ▾Fin. healthtop 16% Markettop 23% Fundingtop 33% Patentstop 41% Talenttop 43% Newstop 48% Innovationbottom 49% Growthbottom 49% Moatbottom 49% Globalbottom 44% Techbottom 38% Fin. health: Revenue ~$3.1B (FY2024) · Net margin 9.5% Market: 7,651 employees (top 3% of Environment) · Revenue ~$3.1B rank vs industry peers · Fliar Intelligence Index 74/100 | $247M | 74 mo ago | 7,651 7,651 → 4,022 (-47%) | Liv Garfield CEO | Adobe Experience ManagerJavaBootstrap+13 | 19 patents Advanced control and sealing technologies for wastewater pumping and water distribution networks | — |
| 7 | Pennon Group Water utility and waste management company 84Funding top 26%News top 28%Market top 30%Fin. health top 31% All 7 signals ▾Fundingtop 26% Newstop 28% Markettop 30% Fin. healthtop 31% Growthtop 32% Techtop 34% Globalbottom 30% Funding: Raised $229M across 1 rounds · 1 rounds over 2 yrs (0.5/yr) News: 7 BI events in 12 mo (of 38 tracked, 8 types) · Top themes: Leadership, Acquisition rank vs industry peers · Fliar Intelligence Index 84/100 | $229M | 29 mo ago | 2,864 | — | DrupalPHPSalesforce+17 | — | — |
| 8 | Bboxx Provider of pay-as-you-go power and technology to homes and businesses 57Tech top 23%Funding top 32%Product top 36%Moat top 39% All 11 signals ▾Techtop 23% Fundingtop 32% Producttop 36% Moattop 39% Growthtop 44% Markettop 46% Innovationtop 47% Patentstop 47% Globalbottom 49% Fin. healthbottom 36% Newsbottom 28% Tech: 50 technologies across 6/8 capability areas · Cloud: Amazon Cloudfront, Amazon S3 Funding: Raised $131M across 17 rounds · 17 rounds over 13 yrs (1.3/yr) rank vs industry peers · Fliar Intelligence Index 57/100 | $131M | 42 mo ago | 793 793 → 1,090 (+37%) | — | WordPressMySQLPHP+24 | 12 patents Battery health monitoring and smart utility metering for off‑grid energy systems | — |
| 9 | Lekela Power Independent power producer in solar and wind 24Funding top 39%Talent bottom 49%Market bottom 40%Global bottom 37% All 6 signals ▾Fundingtop 39% Talentbottom 49% Marketbottom 40% Globalbottom 37% Newsbottom 32% Techbottom 29% Funding: Raised $118M across 2 rounds · 2 rounds over 11 yrs (0.2/yr) Talent: 1 named leader on record · 1 C-suite/founder profile curated rank vs industry peers · Fliar Intelligence Index 24/100 | $118M | 116 mo ago | 22 | Chris Antonopoulos Chief Executive Officer | — | — | — |
| 10 | Tamar Energy Provider of organic waste management solutions 35Innovation top 20%Product top 26%Funding top 44%Market top 49% All 8 signals ▾Innovationtop 20% Producttop 26% Fundingtop 44% Markettop 49% Globalbottom 36% Newsbottom 27% Growthbottom 25% Techbottom 19% Innovation: 5 product lines Product: 5 distinct product lines · Company stage: Acquired rank vs industry peers · Fliar Intelligence Index 35/100 | $113M | 136 mo ago | 55 | — | — | — | — |
| 11 | 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%) | Andreas Lusch Co-Founder | WordPressMySQLPHP+21 | 75 patents Inertial confinement fusion systems using shockwave-driven fuel compression and pulsed power. | 2 job openings · 1 launch · 1 partnership |
| 12 | E.ON Energy Supplier and producer of renewable energy and operator of thermal power plants 57Product top 21%Innovation top 27%Talent top 28%Funding top 38% All 12 signals ▾Producttop 21% Innovationtop 27% Talenttop 28% Fundingtop 38% Markettop 39% Moattop 42% Patentstop 43% Techtop 45% Customerstop 50% Globalbottom 38% Newsbottom 32% Growthbottom 28% Product: 6 distinct product lines · 2 published apps (27.7k installs) Innovation: 14 patents (top 31% of patent-holders) · 6 product lines rank vs industry peers · Fliar Intelligence Index 57/100 | $82M | 71 mo ago | 710 | — | Adobe Experience ManagerJavaSalesforce+19 | 14 patents Hydrogen production via water electrolysis systems and related apparatus | 1 award |
| 13 | 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 | — | Carlos Javier Co-Founder | Webflow EcommerceWebflowApple iCloud Mail+10 | — | — |
| 14 | 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 | Simon Morrish Founder & CEO | WordPressMySQLPHP+24 | — | 1 job opening |
| 15 | Nattergal Provider of restoring biodiversity, climate change, and food production services 48Funding top 34%Talent bottom 45%Global bottom 29% All 3 signals ▾Fundingtop 34% Talentbottom 45% Globalbottom 29% Funding: Raised $53.3M · 2 rounds over 2 yrs (1.0/yr) Talent: 1 named leader on record rank vs industry peers · Fliar Intelligence Index 48/100 | $53M | 20 mo ago | — | Archie Struthers CEO | — | — | — |
| 16 | Citu Developer of green building communities 37Funding top 43%Tech top 47%Product top 47%Growth bottom 46% All 6 signals ▾Fundingtop 43% Techtop 47% Producttop 47% Growthbottom 46% Marketbottom 39% Globalbottom 32% Funding: Raised $51.9M across 2 rounds · 2 rounds over 4 yrs (0.5/yr) Tech: 30 technologies across 3/8 capability areas · Cloud: Amazon Web Services, Cloudflare rank vs industry peers · Fliar Intelligence Index 37/100 | $52M | 42 mo ago | 40 | — | WordPressMySQLPHP+25 | — | — |
| 17 | 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 | — | Cart FunctionalitySquarespace CommerceSquarespace+20 | 45 patents Sealed vessels and heat exchangers for solar‑thermal power and high‑temperature process systems | 1 award |
| 18 | Solarcentury EPC player in the domain of solar energy 24Innovation top 20%Product top 26%Funding top 43%Market bottom 49% All 9 signals ▾Innovationtop 20% Producttop 26% Fundingtop 43% Marketbottom 49% Globalbottom 39% Techbottom 32% Newsbottom 32% Fin. healthbottom 24% Growthbottom 9% Innovation: 5 product lines Product: 5 distinct product lines · Company stage: Acquired rank vs industry peers · Fliar Intelligence Index 24/100 | $38M | 69 mo ago | 121 | — | — | — | — |
| 19 | Inspired PLC Provider of energy, carbon reduction, and sustainability services 53Innovation top 20%Product top 26%Funding top 35%Tech top 45% All 10 signals ▾Innovationtop 20% Producttop 26% Fundingtop 35% Techtop 45% Partnerstop 45% Talentbottom 49% Growthbottom 47% Marketbottom 28% Newsbottom 25% Globalbottom 25% Innovation: 4 product lines Product: 4 distinct product lines · Company stage: Acquired rank vs industry peers · Fliar Intelligence Index 53/100 | $36M | 18 mo ago | — | Jani Thornton Founder & CEO | WordPress Block EditorWordPressPlesk+28 | — | — |
| 20 | Etopia Provider of panelized build system for home construction 40Funding top 45%Tech top 48%Talent bottom 49%Market bottom 40% All 5 signals ▾Fundingtop 45% Techtop 48% Talentbottom 49% Marketbottom 40% Globalbottom 37% Funding: Raised $27.6M across 2 rounds · 2 rounds over 8 yrs (0.2/yr) Tech: 30 technologies across 3/8 capability areas · Cloud: Cloudflare rank vs industry peers · Fliar Intelligence Index 40/100 | $28M | 32 mo ago | 33 | Bill Hampton Managing Director | WordPressApple iCloud MailMicrosoft 365+27 | — | 1 launch · 1 expansion · 1 award |
| 21 | Verto Homes Developer of zero carbon smart homes 55Innovation top 25%Tech top 30%Talent top 38%Product top 43% All 7 signals ▾Innovationtop 25% Techtop 30% Talenttop 38% Producttop 43% Fundingtop 50% Globalbottom 32% Marketbottom 26% Innovation: 6 product lines Tech: 36 technologies across 4/8 capability areas · Cloud: Cloudflare, Vercel rank vs industry peers · Fliar Intelligence Index 55/100 | $24M | 44 mo ago | 7 | Richard Pearce Co-Founder | PrismicNode.jsHeadless UI+17 | — | — |
| 22 | Safi Provider of AI solutions to trade recyclables 32Talent top 38%Tech top 42%Funding top 49%Market bottom 41% All 6 signals ▾Talenttop 38% Techtop 42% Fundingtop 49% Marketbottom 41% Globalbottom 36% Growthbottom 35% Talent: 2 named leaders on record · 2 C-suite/founder profiles curated Tech: 24 technologies across 4/8 capability areas · Cloud: Cloudflare, Google Cloud rank vs industry peers · Fliar Intelligence Index 32/100 | $20M | 30 mo ago | 32 | Eamon Jubbawy Co-Founder | Google MapsMUIReact+11 | — | 1 job opening |
| 23 | Waterscan Provider of water audits, rainwater harvesting, greywater recycling, leak detection, and repair services 62Tech top 30%Funding top 31%Growth top 35%Market bottom 37% All 5 signals ▾Techtop 30% Fundingtop 31% Growthtop 35% Marketbottom 37% Globalbottom 32% Tech: 40 technologies across 5/8 capability areas · Cloud: Cloudflare Funding: Raised $15.2M across 1 rounds · 1 rounds over 2 yrs (0.5/yr) rank vs industry peers · Fliar Intelligence Index 62/100 | $15M | 23 mo ago | 49 | — | WordPress Block EditorWordPressMySQL+29 | — | 1 job opening · 3 awards |
| 24 | 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 | — | WordPressMySQLPHP+14 | — | — |
| 25 | Matter. Developer of filtration technology designed to capture microplastics from water 35Funding top 38%Tech top 43%Talent bottom 49%Market bottom 38% All 5 signals ▾Fundingtop 38% Techtop 43% Talentbottom 49% Marketbottom 38% Globalbottom 37% Funding: Raised $12.2M across 5 rounds · 5 rounds over 6 yrs (0.8/yr) Tech: 25 technologies across 4/8 capability areas · Cloud: Cloudflare rank vs industry peers · Fliar Intelligence Index 35/100 | $12M | 35 mo ago | 10 | Adam Root Founder & CEO | Cart FunctionalitySquarespace CommerceSquarespace+22 | — | — |
| 26 | Revalue Developer of high-quality carbon credits from nature-based projects. 16Funding top 43%Talent bottom 49%Tech bottom 41%Global bottom 37% All 6 signals ▾Fundingtop 43% Talentbottom 49% Techbottom 41% Globalbottom 37% Marketbottom 25% Newsbottom 22% Funding: Raised $10.0M across 1 rounds · 1 rounds over 3 yrs (0.3/yr) Talent: 1 named leader on record · 1 C-suite/founder profile curated rank vs industry peers · Fliar Intelligence Index 16/100 | $10M | 34 mo ago | — | Stuart Rowland Founder & CEO | WebflowGSAPMicrosoft Advertising+12 | — | 3 job openings |
| 27 | CDP Foundation focused on environment issues 62Growth top 35%Tech top 37%Talent top 42%News top 44% All 8 signals ▾Growthtop 35% Techtop 37% Talenttop 42% Newstop 44% Marketbottom 48% Fundingbottom 46% Globalbottom 45% Productbottom 40% Growth: Headcount 98 → 120 (+22%) across vintages Tech: 27 technologies across 4/8 capability areas · Cloud: Azure, Cloudflare rank vs industry peers · Fliar Intelligence Index 62/100 | $9M | 38 mo ago | 120 | Paul Simpson CEO | ContentfulApple iCloud MailMicrosoft 365+22 | — | — |
| 28 | ETM Recycling Bristol Provider of waste collection and recycling services 60Fin. health top 28%Funding top 39%Growth top 41%Market top 46% All 7 signals ▾Fin. healthtop 28% Fundingtop 39% Growthtop 41% Markettop 46% Talentbottom 49% Techbottom 36% Globalbottom 32% Fin. health: Revenue ~$35.0M · Revenue +19% YoY Funding: Raised $8.8M across 1 rounds · 1 rounds over 3 yrs (0.3/yr) rank vs industry peers · Fliar Intelligence Index 60/100 | $9M | 30 mo ago | 69 69 → 57 (-17%) | Eddie McCormack Founder & Managing Director | WordPressMySQLPHP+19 | — | — |
| 29 | Biohm Manufacturer of mycelium-based building materials 48Patents top 22%Innovation top 24%Moat top 32%Tech top 43% All 9 signals ▾Patentstop 22% Innovationtop 24% Moattop 32% Techtop 43% Growthtop 45% Fundingtop 50% Talentbottom 49% Globalbottom 36% Marketbottom 31% Patents: 26 patents matched (strict assignee match) · 18 filings since 2022 vs 8 in 2017-21 Innovation: 26 patents (top 22% of patent-holders) · 18 filings since 2022 vs 8 in 2017-21 rank vs industry peers · Fliar Intelligence Index 48/100 | $8M | 24 mo ago | 11 | Ehab Sayed Founder | Chief Evolution Officer | WixSentryEnvoy+13 | 26 patents Biodegradable packaging and mycelium‑based construction insulation using bio‑derived materials | — |
| 30 | Descycle Provider of ewaste and battery recycling services 24Talent top 38%Funding top 40%Product top 46%Tech bottom 49% All 9 signals ▾Talenttop 38% Fundingtop 40% Producttop 46% Techbottom 49% Growthbottom 42% Globalbottom 39% Innovationbottom 34% Marketbottom 21% Newsbottom 18% Talent: 2 named leaders on record · 2 C-suite/founder profiles curated Funding: Raised $6.0M across 2 rounds · 2 rounds over 3 yrs (0.7/yr) rank vs industry peers · Fliar Intelligence Index 24/100 | $6M | 18 mo ago | 10 | Geoff Mcnamara Co-Founder & Non-Executive Director | WixSentryBootstrap+10 | — | 2 expansions · 1 award |
| 31 | Concrete4Change Platform offering circular concrete innovation 27Talent top 38%Patents top 42%Funding top 46%Innovation top 47% All 8 signals ▾Talenttop 38% Patentstop 42% Fundingtop 46% Innovationtop 47% Moatbottom 49% Techbottom 46% Globalbottom 42% Marketbottom 21% Talent: 2 named leaders on record · 2 C-suite/founder profiles curated Patents: 6 patents matched (strict assignee match) · 6 filings since 2022 vs 0 in 2017-21 rank vs industry peers · Fliar Intelligence Index 27/100 | $6M | 35 mo ago | 3 | Dalraj Nijjar Co-founder & Chief Commercial Officer | Webflowcore-jsjQuery+12 | 6 patents Concrete strength enhancement and cementitious product manufacturing processes | — |
| 32 | Spotless Water Provider of pure drinking water services 50Growth top 35%Tech top 38%AI top 45%Funding top 49% All 8 signals ▾Growthtop 35% Techtop 38% AItop 45% Fundingtop 49% Talentbottom 49% Productbottom 48% Marketbottom 36% Globalbottom 32% Growth: Fresh capital in last 24 mo Tech: 47 technologies across 4/8 capability areas · Cloud: Azure, Cloudflare rank vs industry peers · Fliar Intelligence Index 50/100 | $5M | 24 mo ago | 25 | Tim Morris CEO | WordPressMySQLPHP+34 | — | 1 expansion |
| 33 | Salinity Solutions Provider of water desalination systems 16Patents top 39%Innovation top 48%Tech top 50%Moat bottom 49% All 7 signals ▾Patentstop 39% Innovationtop 48% Techtop 50% Moatbottom 49% Fundingbottom 46% Globalbottom 40% Marketbottom 10% Patents: 6 patents matched (strict assignee match) · 6 filings since 2022 vs 0 in 2017-21 Innovation: 6 patents (top 74% of patent-holders) · 6 filings since 2022 vs 0 in 2017-21 rank vs industry peers · Fliar Intelligence Index 16/100 | $3M | 26 mo ago | 2 | — | WordPressMySQLPHP+23 | 6 patents Membrane filtration hardware for water desalination and treatment systems | 1 job opening · 2 partnerships · 3 awards |
| 34 | MDF Recovery Provider of technology to recycle wood fibre from waste MDF 21Innovation top 29%Product top 36%Patents top 38%Funding top 48% All 9 signals ▾Innovationtop 29% Producttop 36% Patentstop 38% Fundingtop 48% Moatbottom 49% Talentbottom 49% Globalbottom 37% Techbottom 24% Marketbottom 8% Innovation: 10 patents (top 47% of patent-holders) · 10 filings since 2022 vs 0 in 2017-21 Product: 5 distinct product lines · Company stage: Series A rank vs industry peers · Fliar Intelligence Index 21/100 | $3M | 32 mo ago | 1 | Jim New Founder Director | — | 10 patents Fiber recovery technologies for textile waste recycling | — |
| 35 | Bio-Logical Company that focuses on climate resilient communities through nature based carbon removals 29Talent top 38%Tech top 48%Funding bottom 45%Growth bottom 42% All 8 signals ▾Talenttop 38% Techtop 48% Fundingbottom 45% Growthbottom 42% Globalbottom 36% Partnersbottom 35% Marketbottom 29% Newsbottom 18% Talent: 2 named leaders on record · 2 C-suite/founder profiles curated Tech: 15 technologies across 5/8 capability areas · Cloud: Google Cloud, Google Cloud Cdn rank vs industry peers · Fliar Intelligence Index 29/100 | $2M | 23 mo ago | — | Philip Hunter Co-Founder | WixSentryEnvoy+12 | — | — |
| 36 | ReVentas Developer of dissolution technology for recycling plastic waste into polymers 37Innovation top 25%Patents top 27%Moat top 32%Funding top 45% All 8 signals ▾Innovationtop 25% Patentstop 27% Moattop 32% Fundingtop 45% Talentbottom 49% Techbottom 42% Globalbottom 42% Marketbottom 25% Innovation: 23 patents (top 25% of patent-holders) · 21 filings since 2022 vs 2 in 2017-21 Patents: 23 patents matched (strict assignee match) · 21 filings since 2022 vs 2 in 2017-21 rank vs industry peers · Fliar Intelligence Index 37/100 | $2M | 12 mo ago | — | Thomas Rose Founder & CEO | WordPressMySQLPHP+23 | 23 patents Advanced plastic recycling technologies for polymer recovery and waste reduction | 2 partnerships |
| 37 | Revolution-ZERO Provider of textiles recycling services 60Innovation top 31%Patents top 33%Moat bottom 49%Talent bottom 49% All 6 signals ▾Innovationtop 31% Patentstop 33% Moatbottom 49% Talentbottom 49% Fundingbottom 44% Globalbottom 33% Innovation: 10 patents (top 47% of patent-holders) · 10 filings since 2022 vs 0 in 2017-21 Patents: 10 patents matched (strict assignee match) · 10 filings since 2022 vs 0 in 2017-21 rank vs industry peers · Fliar Intelligence Index 60/100 | $2M | 20 mo ago | — | Tom Dawson Founder | — | 10 patents AI-optimized textile decontamination and reusable packaging solutions for textile products | 1 job opening |
| 38 | Sorted Technologies Provider of waste management company that helps to sort recycled materials efficiently 13Talent top 38%AI top 45%Funding bottom 38%Global bottom 29% All 5 signals ▾Talenttop 38% AItop 45% Fundingbottom 38% Globalbottom 29% Marketbottom 16% Talent: 2 named leaders on record · 2 C-suite/founder profiles curated AI: Product described with: ai-powered rank vs industry peers · Fliar Intelligence Index 13/100 | $2M | 25 mo ago | 5 | Arthur Goujon Co-Founder and CTO | — | — | 1 launch |
| 39 | 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 | — | — | — | — |
| 40 | 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 | — | — |
| 41 | GraphEnergyTech Developer of graphene-based electrodes for solar cells, replacing precious metals 21Talent bottom 49%Funding bottom 44%Market bottom 37%Global bottom 37% All 4 signals ▾Talentbottom 49% Fundingbottom 44% Marketbottom 37% Globalbottom 37% Talent: 1 named leader on record · 1 C-suite/founder profile curated Funding: Raised $1.3M across 1 rounds · 1 rounds over 2 yrs (0.5/yr) rank vs industry peers · Fliar Intelligence Index 21/100 | $1M | 22 mo ago | — | Thomas Baumeler Co-Founder & CEO | — | — | — |
| 42 | Skarn Provider of environment consulting services 37Talent top 38%Innovation top 40%Product bottom 47%Funding bottom 37% All 6 signals ▾Talenttop 38% Innovationtop 40% Productbottom 47% Fundingbottom 37% Marketbottom 32% Globalbottom 32% Talent: 2 named leaders on record · 2 C-suite/founder profiles curated Innovation: 2 product lines rank vs industry peers · Fliar Intelligence Index 37/100 | $958K | 23 mo ago | 15 15 → 28 (+87%) | Charles Cooper Co-Founder | — | — | — |
| 43 | Inteb Provider of environmental sustainability services 4Funding bottom 40%Global bottom 32%Market bottom 5%Fin. health bottom 1% All 4 signals ▾Fundingbottom 40% Globalbottom 32% Marketbottom 5% Fin. healthbottom 1% Funding: Raised $634k across 1 rounds · 1 rounds over 2 yrs (0.5/yr) Global: Single-market focus (United Kingdom) rank vs industry peers · Fliar Intelligence Index 4/100 | $634K | 19 mo ago | 1 | — | — | — | 2 awards |
| 44 | 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 | — | Helen W Co-Founder | — | — | 1 job opening · 1 internship |
| 45 | Space Solar Developer of space-based solar power technology for clean energy generation 29Growth top 35%Talent top 38%Tech bottom 46%Funding bottom 37% All 6 signals ▾Growthtop 35% Talenttop 38% Techbottom 46% Fundingbottom 37% Globalbottom 30% Marketbottom 25% Growth: Fresh capital in last 24 mo Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 29/100 | $508K | 24 mo ago | — | Sam Adlen Co-Founder & Co-CEO | WordPressMySQLPHP+14 | — | 3 job openings · 2 partnerships |
| 46 | 51tocarbonzero Provider of a carbon footprint measurement and net-zero transition platform. 13Talent top 38%Partners top 45%Funding bottom 43%Growth bottom 42% All 7 signals ▾Talenttop 38% Partnerstop 45% Fundingbottom 43% Growthbottom 42% Globalbottom 32% Newsbottom 21% Marketbottom 18% Talent: 2 named leaders on record · 2 C-suite/founder profiles curated Partners: 0 partnership announcements in 12 mo (1 in 24 mo) rank vs industry peers · Fliar Intelligence Index 13/100 | $488K | 14 mo ago | 2 | Richard Davis Co-Founder & CEO | — | — | — |
| 47 | 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 | — | Cart FunctionalitySquarespace CommerceSquarespace+18 | — | 2 partnerships · 1 expansion |
| 48 | ARC Power Developer of solar energy projects 13Talent top 38%Funding top 49%Global bottom 37%Tech bottom 31% All 5 signals ▾Talenttop 38% Fundingtop 49% Globalbottom 37% Techbottom 31% Marketbottom 16% Talent: 2 named leaders on record · 2 C-suite/founder profiles curated Funding: Raised $369k across 5 rounds · 5 rounds over 6 yrs (0.8/yr) rank vs industry peers · Fliar Intelligence Index 13/100 | $369K | 15 mo ago | 5 | Oliver Blakeman Co-Founder & CTO | PythonFedoraYouTube+11 | — | 1 partnership |
| 49 | GAP Group Provider of waste processing and logistics services 57Growth top 35%Tech top 44%Market top 46%Funding bottom 39% All 5 signals ▾Growthtop 35% Techtop 44% Markettop 46% Fundingbottom 39% Globalbottom 32% Growth: Fresh capital in last 24 mo Tech: 25 technologies across 5/8 capability areas · Cloud: Cloudflare rank vs industry peers · Fliar Intelligence Index 57/100 | $348K | 16 mo ago | 1,781 | — | WebflowApple iCloud MailMicrosoft 365+17 | — | 1 expansion |
| 50 | Map Impact Company is passionate about using skills and knowledge to improve the environment 27Growth top 35%Tech top 49%Talent bottom 49%Patents bottom 42% All 7 signals ▾Growthtop 35% Techtop 49% Talentbottom 49% Patentsbottom 42% Fundingbottom 41% Globalbottom 41% Innovationbottom 6% Growth: Fresh capital in last 24 mo Tech: 28 technologies across 3/8 capability areas · Cloud: Cloudflare rank vs industry peers · Fliar Intelligence Index 27/100 | $323K | 15 mo ago | — | Richard Flemmings Founder & CEO | WordPressMySQLPHP+23 | 2 patents GIS-driven environmental data analytics and biodiversity monitoring platforms | 1 partnership |
Top 12 Environment companies in England
#1
Series D · Durham, England · founded 1989 · 1707 employees$528.6Mraised▾
Provider of water management and sewage services
- Apr 2026Series D$528.6M
- Jun 2014Grant (prize money)—
- Jan 2014Grant (prize money)—
#2
Series C · Oxford, England · founded 2011 · 66 employees$105.4Mraised▾
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.
- Apr 2026Series C$33.8M
- Feb 2022Series C$45M
- Dec 2020Series B$25M
- Aug 2015Series B$35.4M
#3
Series D · London, England · founded 2012 · 20 employees$725Mraised▾
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.
- Oct 2025Conventional Debt$215M
- Sep 2022Series D$450M
- Oct 2019Series D$150M
- Jan 2017Series D$125M
#4
Seed · Cambridge, England · founded 2019 · 2 employees$1.8Mraised▾
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- May 2026Seed$10M
- Jan 2022Seed$1.8M
#5
Public · London, England · founded 2015 · 3173 employees$484.2Mraised▾
Producer of silicon metal and alloys
- Apr 2024Grant (prize money)$7.6M
- Apr 2024Grant (prize money)$64.5M
- May 2023Grant (prize money)$7.8M
- Apr 2023Grant (prize money)$3.5M
#6
Public · London, England · founded 2021 · 4228 employees$14.5Mraised▾
Developer of solar and wind energy projects
- May 2025Post IPO$5.5M
- 2024Post IPO$9M
#7
Series C · Solihull, England · founded 2006 · 2 employees$252.4Mraised▾
Provider of consulting, technology, engineering, and operating services for businesses. It offers a wide range of advisory solutions for the power, water, gas, and renewable energy sectors. It serves their services to industries including businesses, governments, non-governmental organizations, and nonprofits. It is also involved in projects related to digital transformation, smart metering, and cybersecurity in the utilities sector.
- May 2024Series C$10M
- Apr 2019Series C$100M
- May 2018Series B$116.1M
- Apr 2015Conventional Debt$20.5M
#8
Seed · Grantham, England · founded 2021$53.3Mraised▾
Provider of restoring biodiversity, climate change, and food production services
#9
Acquired · Preston, England · founded 2000$35.8Mraised▾
Inspired PLC is a leading energy and sustainability advisor in the UK, specializing in commercial, industrial, and public sector energy users. They provide consulting services to help clients achieve net-zero energy consumption.
- Dec 2024Post IPO$35.8M
#10
Seed · Cambridge, England · founded 2019 · 11 employees$2Mraised▾
Provider of a photon multiplier film to photovoltaic module manufacturers for increasing the efficiency of solar panels
- Nov 2025Grant (prize money)$821.1K
- Nov 2025Seed$1.2M
#11
Acquired · London, England · founded 2009$77.9Mraised▾
Developer of solar renewable energy power projects
- Jul 2024Conventional Debt$77.9M
#12
Acquired · Reading, England · founded 1996 · 7000 employees$962.8Mraised▾
Provider of drinking water system services
- Jul 2023PE$962.8M
- 2017PE—
- 2015Grant (prize money)—
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Environment coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
What England researches in environmental monitoring
England's University of the West of England, Natural England, and Public Health England lead environmental-monitoring research focused on eDNA biodiversity, water quality, and air-health impacts, with a cautiously optimistic tone.
- University of the West of England7
- Natural England6
- Public Health England3
- University of New England2
- New England School of Photography1