Best Environment Companies in United Kingdom
The 2046 best Environment companies in United Kingdom in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Thames Water.
Hero Future Energies tops our ranking of Environment companies in the United Kingdom with $725M in disclosed funding, and that single figure tells you something about the scale this sector has quietly reached. Across 2,046 tracked companies, total disclosed funding hits $7.5B, with Northumbrian Water pulling $529M and Venterra Group another $231M. One unicorn has crossed the threshold. And regulatory clearance processes globally are shaping how capital flows into projects like these, making funding momentum as much a compliance story as a market one. What strikes me most is how concentrated the top of this directory actually is.
Digital engagement is confirming the same directional bet. Median install growth across 161 environmental and renewables apps sits at roughly +20% year-on-year, a number that reflects genuine user pull, not just app-store noise. Climate mobilization and transformational leadership are the themes drawing attention right now, and you can see that reflected in which companies are attracting repeat backers like HSBC and the EIC Fund. First Light Fusion at $105M and Renewco Power at $72M round out a cohort where the funding gaps between players are wide, deliberate, and worth understanding before you make any allocation decision.
- Britain Bets Big on Renewables with Record Solar and Onshore Wind Awards
- Wind farm project suffers funding setback
- The controversial wind farm that's now dividing environmental groups
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 United Kingdom
| # | Company | Disclosed funding | Last round | Stage | Employees | Founder | Market signals (1y) | 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 | Acquired | 7,000 | — | — | 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 | Series D | 20 | Geetika Agarwal CEO | — | — | 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 | Series D | 1,707 | — | — | — | 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 | Public | 3,173 | — | 8 signals ▲100% Earnings · Announcements · Layoffs | — | — |
| 5 | 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 | Funding Raised | 922 | — | — | — | 1 award |
| 6 | 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 | Series C | 2 | Vinod Nair Co-Founder | — | — | — |
| 7 | 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 | Public | 7,651 7,651 → 4,022 (-47%) | Liv Garfield CEO | 6 signals ▼45% Leadership · Earnings | 19 patents Advanced control and sealing technologies for wastewater pumping and water distribution networks | — |
| 8 | 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 | Series D | 500 | Ayman Asfari Co-Founder & Executive Chairman | — | 3 patents Subsea anchoring systems for offshore structures and pipelines | 1 expansion · 1 award |
| 9 | 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 | Public | 2,864 | — | 7 signals Leadership · Acquisition | — | — |
| 10 | 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 | Series D | 793 793 → 1,090 (+37%) | — | — | 12 patents Battery health monitoring and smart utility metering for off‑grid energy systems | — |
| 11 | A.N. Technology (ANTECH) Provider of nuclear measurement equipment and services. 60Innovation top 26%Patents top 33%Funding top 46%Product top 46% All 6 signals ▾Innovationtop 26% Patentstop 33% Fundingtop 46% Producttop 46% Globalbottom 43% Techbottom 31% Innovation: 34 patents (top 15% of patent-holders) · 6 filings since 2022 vs 7 in 2017-21 Patents: 34 patents matched (strict assignee match) · 6 filings since 2022 vs 7 in 2017-21 rank vs industry peers · Fliar Intelligence Index 60/100 | $121M | 65 mo ago | Funding Raised | — | — | — | 34 patents Oil and gas well fluid extraction and formation-location drilling technologies | — |
| 12 | 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 | Funding Raised | 9 | Lewis Gillies CEO | — | — | 2 job openings · 1 partnership · 1 expansion |
| 13 | 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 | Series C | 66 66 → 83 (+26%) | Andreas Lusch Co-Founder | — | 75 patents Inertial confinement fusion systems using shockwave-driven fuel compression and pulsed power. | 2 job openings · 1 launch · 1 partnership |
| 14 | 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 | Series C | — | Mikhail Gryaznevich Co-Founder | — | 632 patents HTS fusion magnet coils, insulation, and divertor/hydrogen handling for compact tokamaks | 1 partnership |
| 15 | 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 | Acquired | — | Carlos Javier Co-Founder | 3 signals ▲200% Contracts · Hiring · Funding | — | — |
| 16 | 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 | Series D | 22 | Frans van den Heuvel Co-Founder | — | — | — |
| 17 | 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 | Series C | 2 | Simon Morrish Founder & CEO | — | — | 1 job opening |
| 18 | TWMA Provider of waste management services to oil and gas industry 45Funding top 45%Growth top 45%Market top 47%Global bottom 32% All 5 signals ▾Fundingtop 45% Growthtop 45% Markettop 47% Globalbottom 32% Techbottom 29% Funding: Raised $62.5M across 1 rounds · 1 rounds over 2 yrs (0.5/yr) rank vs industry peers · Fliar Intelligence Index 45/100 | $62M | 28 mo ago | Funding Raised | 500 | — | — | — | — |
| 19 | 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 | Seed | — | Archie Struthers CEO | — | — | — |
| 20 | 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 | Funding Raised | 40 | — | — | — | — |
| 21 | 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 | Series B | 15 | Matt Slotkin Co-Founder | 3 signals ▼77% Funding | — | 1 internship · 1 partnership |
| 22 | 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 | Series B | 15 | — | — | 45 patents Sealed vessels and heat exchangers for solar‑thermal power and high‑temperature process systems | 1 award |
| 23 | 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 | Acquired | — | Jani Thornton Founder & CEO | — | — | — |
| 24 | 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 | Series B | 33 | Bill Hampton Managing Director | — | — | 1 launch · 1 expansion · 1 award |
| 25 | 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 | Series A | 32 | Eamon Jubbawy Co-Founder | — | — | 1 job opening |
| 26 | 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 | Series A | 14 14 → 34 (+143%) | Graham Foster Co-Founder & CTO | — | 175 patents Floating offshore renewable energy platforms and wind turbine support structures | 1 launch · 1 award |
| 27 | 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 | Late Stage | 49 | — | — | — | 1 job opening · 3 awards |
| 28 | 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 | Public | 4,228 | — | — | — | — |
| 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 | Seed | 11 | Ehab Sayed Founder | Chief Evolution Officer | — | 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 | Series A | 10 | Geoff Mcnamara Co-Founder & Non-Executive Director | — | — | 2 expansions · 1 award |
| 31 | Scotmas Provider of water treatment solutions 40Funding top 40%Tech top 41%Growth top 45%Patents bottom 49% All 8 signals ▾Fundingtop 40% Techtop 41% Growthtop 45% Patentsbottom 49% Moatbottom 49% Marketbottom 38% Innovationbottom 36% Globalbottom 36% Funding: Raised $5.6M across 3 rounds · 3 rounds over 8 yrs (0.4/yr) Tech: 33 technologies across 4/8 capability areas · Cloud: Amazon Ses, Amazon Web Services rank vs industry peers · Fliar Intelligence Index 40/100 | $6M | 17 mo ago | Early Stage | 30 | — | — | 8 patents Chlorine dioxide production technology for water disinfection and industrial bleaching | — |
| 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 | Series A | 25 | Tim Morris CEO | — | — | 1 expansion |
| 33 | CSS Provider of biomass waste services 7Tech bottom 47%Funding bottom 44%Global bottom 36%Product bottom 36% All 5 signals ▾Techbottom 47% Fundingbottom 44% Globalbottom 36% Productbottom 36% Marketbottom 11% Tech: 25 technologies across 3/8 capability areas · Devops: Nginx Funding: Raised $5.0M across 3 rounds · 3 rounds over 4 yrs (0.8/yr) rank vs industry peers · Fliar Intelligence Index 7/100 | $5M | 14 mo ago | Funding Raised | 5 | — | — | — | — |
| 34 | Polytag Provider of drinking water services 37Talent top 28%Tech top 34%Product top 46%Growth top 47% All 10 signals ▾Talenttop 28% Techtop 34% Producttop 46% Growthtop 47% Innovationbottom 46% Fundingbottom 46% Newsbottom 46% Globalbottom 37% Partnersbottom 35% Marketbottom 26% Talent: 3 named leaders on record · 3 C-suite/founder profiles curated Tech: 29 technologies across 4/8 capability areas · Cloud: Amazon Cloudfront, Amazon Web Services rank vs industry peers · Fliar Intelligence Index 37/100 | $4M | 4 mo ago | Series A | — | Phil Frsa Co-Founder | 3 signals ▼40% Contracts · New product · Announcements | — | 1 partnership |
| 35 | uFraction8 Technology solution to enhance recovery rates for microfluidics applications 19Patents top 40%Innovation top 42%Funding top 46%Moat bottom 49% All 8 signals ▾Patentstop 40% Innovationtop 42% Fundingtop 46% Moatbottom 49% Globalbottom 42% Techbottom 22% Marketbottom 20% Newsbottom 18% Patents: 12 patents matched (strict assignee match) · 6 filings since 2022 vs 6 in 2017-21 Innovation: 12 patents (top 37% of patent-holders) · 6 filings since 2022 vs 6 in 2017-21 rank vs industry peers · Fliar Intelligence Index 19/100 | $3M | 15 mo ago | Seed | 7 | — | — | 12 patents Microfluidic fractionation devices for precise liquid handling and separation | — |
| 36 | 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 | Seed | — | Philip Hunter Co-Founder | — | — | — |
| 37 | Storm Harvester Provider of AI-powered solutions for wastewater network monitoring and optimisation 40Tech top 40%Talent top 41%AI top 45%Growth top 48% All 9 signals ▾Techtop 40% Talenttop 41% AItop 45% Growthtop 48% Moattop 48% Fundingtop 49% Globalbottom 39% Marketbottom 25% Newsbottom 25% Tech: 38 technologies across 4/8 capability areas · Cloud: Cloudflare Talent: Analyst team rating 4/5 · 1 named leader on record rank vs industry peers · Fliar Intelligence Index 40/100 | $2M | 16 mo ago | Series A | 8 | Brian Moloney Co-Founder | — | — | 3 awards |
| 38 | 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 | Series A | — | Thomas Rose Founder & CEO | — | 23 patents Advanced plastic recycling technologies for polymer recovery and waste reduction | 2 partnerships |
| 39 | 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 | Seed | — | Tom Dawson Founder | — | 10 patents AI-optimized textile decontamination and reusable packaging solutions for textile products | 1 job opening |
| 40 | 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 | Seed | 11 | — | — | — | — |
| 41 | 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 | Seed | 2 | Xavier Moya Co-Founder | — | — | — |
| 42 | 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 | Seed | 9 | Christine Boyle Founder & CEO | — | 19 patents Coal-bed methane drilling, production optimization, and well performance simulation technologies. | — |
| 43 | 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 | Seed | 5 | — | — | — | — |
| 44 | Carbogenics Manufacturer of biochar for wastewater treatment services 22Talent top 28%Patents top 42%Product top 43%Funding top 44% All 9 signals ▾Talenttop 28% Patentstop 42% Producttop 43% Fundingtop 44% Innovationtop 45% Moatbottom 42% Globalbottom 40% Techbottom 23% Marketbottom 13% Talent: 3 named leaders on record · 3 C-suite/founder profiles curated Patents: 4 patents matched (strict assignee match) · 3 filings since 2022 vs 1 in 2017-21 rank vs industry peers · Fliar Intelligence Index 22/100 | $1M | 4 mo ago | Seed | 4 | Lidia Krzynowek Co-Founder & COO | — | 4 patents Municipal wastewater treatment adsorbents for contaminant removal and water purification. | 1 expansion · 2 awards |
| 45 | Waterwhelm Water consultancy company developing membrane technology for wastewater treatment 50Patents top 39%Innovation top 43%Talent bottom 49%Global bottom 43% All 5 signals ▾Patentstop 39% Innovationtop 43% Talentbottom 49% Globalbottom 43% Fundingbottom 42% Patents: 7 patents matched (strict assignee match) · 5 filings since 2022 vs 2 in 2017-21 Innovation: 7 patents (top 66% of patent-holders) · 5 filings since 2022 vs 2 in 2017-21 rank vs industry peers · Fliar Intelligence Index 50/100 | $1M | 15 mo ago | Seed | 9 | Alireza Monjezi Founder & CEO & Managing Director | — | 7 patents Forward osmosis membrane systems for water purification and draw‑agent recovery | — |
| 46 | CGEN Engineering Modular electrical power systems for diverse energy sectors 37Talent bottom 49%Funding bottom 48%Global bottom 33% All 3 signals ▾Talentbottom 49% Fundingbottom 48% Globalbottom 33% Talent: 1 named leader on record · 1 C-suite/founder profile curated Funding: Raised $622k across 1 rounds · 1 rounds over 1 yrs (1.0/yr) rank vs industry peers · Fliar Intelligence Index 37/100 | $622K | 16 mo ago | Seed | — | Joseph Burchell Managing Director | — | — | 1 award |
| 47 | 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 | Seed | — | Helen W Co-Founder | — | — | 1 job opening · 1 internship |
| 48 | 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 | Series A | 2 | Richard Davis Co-Founder & CEO | — | — | — |
| 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 | Seed | 32 | — | — | — | 2 partnerships · 1 expansion |
| 50 | 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 | Seed | 5 | Oliver Blakeman Co-Founder & CTO | — | — | 1 partnership |
Top 12 Environment companies in United Kingdom
#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
Series D · United Kingdom · founded 2021 · 500 employees$230.8Mraised▾
Developer of wind energy projects
- Dec 2025Series D$53.5M
- Nov 2024Conventional Debt$37.9M
- Oct 2023Series D$8.8M
- Aug 2023Conventional Debt—
#5
Series B · Edinburgh, Scotland · founded 2023 · 15 employees$45Mraised▾
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.
- Apr 2026Series B$380M
- Oct 2024Series A$45M
#6
Series D · Edinburgh, Scotland · founded 2021 · 22 employees$71.6Mraised▾
Developer of solar and wind energy projects
- Dec 2025Series D$38.8M
- Sep 2021Series C$32.8M
#7
Seed · Cambridge, England · founded 2019 · 2 employees$1.8Mraised▾
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- May 2026Seed$10M
- Jan 2022Seed$1.8M
#8
Series A · Deeside, Flintshire · founded 2018$3.6Mraised▾
Polytag is a technology that enables packaging to be tagged and traced, generating data about packaging as it moves through the recycling process. The company's goal is to enable the packaging circular economy by reducing the use of virgin plastic. Polytag has partnered with companies like Ocado and Blighty Booch to implement its technology.
- Jan 2026Grant (prize money)—
- Sep 2024Grant (prize money)$132K
- Mar 2024Series A$3.6M
- May 2022Seed—
#9
Series C · Abingdon, Oxfordshire · founded 2009$87Mraised▾
Tokamak Energy is a company focused on developing technology to commercialize clean and secure fusion energy, along with high temperature superconducting magnet technology. They are pioneers in the field of fusion energy and are at the forefront of developing new technologies and ideas.
- Nov 2024Series C$125M
- Sep 2020Grant (prize money)$580K
- Jan 2020Series B$87M
- Dec 2018Series A—
#10
Seed · Belfast, Northern Ireland · founded 2013 · 9 employees$1.7Mraised▾
Developer of solar thermal panels designed to deliver affordable solar heating. The company's panels are more efficient than photo voltaic (PV), collect the sun's energy through heat rather than electricity, enabling customers to help in heating or cooling their buildings.
- Feb 2026Seed$1.7M
#11
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
#12
Seed · Edinburgh, Scotland · founded 2016 · 4 employees$1.2Mraised▾
Manufacturer of biochar for wastewater treatment services
- Feb 2026Grant (prize money)—
- Feb 2026Seed$3M
- Dec 2024Seed$637.7K
- Jun 2023Seed$1.2M
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
How research on Environmental Monitoring is moving in the United Kingdom
A read on the academic research around Environmental Monitoring — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 1,044 United Kingdom-affiliated papers.
- UK Centre for Ecology & Hydrology86
- Imperial College London52
- Centre for Environment, Fisheries and Aquaculture Science38
- University of Exeter36
- University of Birmingham32
- Sampling (signal processing)1→11
- Pollution2→9
- Air quality index1→6
- Environmental data2→7
- Citizen science1→6
- Air quality index3→18
- Air pollution3→18
- Pollution3→17
- Environmental DNA5→16
- Biodiversity10→20
- Biodiversity1→25
- Pollution2→21
- European union2→18
- Environmental impact assessment2→16
- Human health1→14
Where environmental monitoring 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.
Who's filing environmental monitoring patents in the United Kingdom
United Kingdom environmental monitoring patent filing is accelerating — 15 filings from 12 assignees (2017–2025), led by Cambridge Entpr, AMS Sensors UK, UNIV Bolton; annual filings 2→6.
- Cambridge Entpr5
- AMS Sensors UK5
- UNIV Bolton4
- Nooku4
- Flusso2
- Thorn Security2
- Environment Agency2
- Additive Catchments2