Radar · Air Pollution Management Tech in London
Best Air Pollution Management Tech Companies in London, United Kingdom
The 145 best Air Pollution Management Tech companies in London, United Kingdom in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Carbon Clean.
By Riya SenguptaFinancials
145companies tracked
$1Bdisclosed funding
0unicorns
83have raised
Ranked: Best Air Pollution Management Tech companies in London
| # | Company | Disclosed funding | Last round | Stage | Employees | Founder | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Carbon Clean Developer of technology for industrial carbon capture and utilisation solutions | $260M | 48 mo ago | Series C | 27 | Prateek Bumb Co-Founder & CTO | HubSpot CMS HubZohoZepto+24 | 81 patents Advanced solvent-based CO₂ capture and regeneration technologies for flue gas treatment | 2 awards |
| 2 | Rio Carbon footprint monitoring solution | $124M | 100 mo ago | Series A | 8 | — | HubSpot CMS HubSplidePreact+20 | — | — |
| 3 | Sylvera Provider of solutions to offset the carbon footprint | $97M | 35 mo ago | Series B | 82 82 → 155 (+89%) | Allister Furey Co-Founder & CEO | WebflowGSAPAmazon Web Services+22 | — | — |
| 4 | BeZero Carbon Provider of carbon ratings and risk analytics for carbon projects 57Growth top 26%Funding top 31%Moat top 31%Talent top 38% All 9 signals ▾Growthtop 26% Fundingtop 31% Moattop 31% Talenttop 38% Techtop 40% Markettop 49% Globalbottom 39% Fin. healthbottom 31% Newsbottom 18% Growth: Headcount 28 → 90 (+221%) across vintages · Web rank 5,000,000 → 10,000,000 YoY Funding: Raised $77.2M across 5 rounds · 5 rounds over 6 yrs (0.8/yr) rank vs industry peers · Fliar Intelligence Index 57/100 | $77M | 17 mo ago | Series C | 90 90 → 159 (+77%) | Sebastien Cross Co-Founder | SentryNode.jsVimeo+19 | — | — |
| 5 | Carbonplace Operator of a platform for managing and trading carbon credit portfolios | $45M | 40 mo ago | Seed | 8 | Scott Eaton CEO | — | — | — |
| 6 | Circulor Provider of supply chain services for material traceability and compliance 53Talent top 15%Moat top 31%Funding top 33%Market bottom 49% All 7 signals ▾Talenttop 15% Moattop 31% Fundingtop 33% Marketbottom 49% Globalbottom 45% Techbottom 35% Newsbottom 27% Talent: Analyst team rating 5/5 Moat: Editorial + unicorn rating 8/10 · Soonicorn rank vs industry peers · Fliar Intelligence Index 53/100 | $45M | 47 mo ago | Series B | 63 | — | — | — | 2 partnerships · 1 award |
| 7 | 4401 Earth Provider of accelerated mineralisation process for permanent carbon dioxide removal 42Funding top 32%Talent top 38%Tech top 49%Growth bottom 47% All 7 signals ▾Fundingtop 32% Talenttop 38% Techtop 49% Growthbottom 47% Marketbottom 39% Globalbottom 39% Newsbottom 18% Funding: Raised $42.0M across 4 rounds · 4 rounds over 5 yrs (0.8/yr) Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 42/100 | $42M | 17 mo ago | Series A | 50 | Karan Khimji Co-Founder & Chief Commercial Officer | SanityNode.jsRadix UI+14 | — | 1 job opening · 2 partnerships · 1 award |
| 8 | Cervest Provider of AI-powered climate risks solutions | $36M | 61 mo ago | Series A | 25 | — | — | — | — |
| 9 | Mission Zero Developer of technology to recover carbon dioxide from the atmosphere | $33M | 27 mo ago | Series A | 3 | Shiladitya Ghosh Co-Founder | WebflowGSAPMicrosoft Advertising+19 | 11 patents Carbon capture and gas separation technologies for CO₂ removal from mixed gas streams. | 1 partnership |
| 10 | Isometric Online platform offering carbon offset solutions | $25M | 35 mo ago | Seed | 41 | Eamon Jubbawy Founder & CEO | TurbopackSentryNode.js+12 | — | — |
| 11 | CarbonChain Online platform offering carbon accounting solutions | $24M | 35 mo ago | Series A | 11 | Roheet Shah Co-Founder & COO | WebflowSentryAmazon ALB+29 | — | — |
| 12 | Altruistiq Online data intelligence platform for sustainable business decisions | $18M | 46 mo ago | Seed | 8 | Saif Hameed Founder & CEO | — | — | — |
| 13 | EmitWise Carbon footprint management and monitoring automation solution | $17M | 50 mo ago | Series A | 7 | Mauro Cozzi Co-Founder & CEO | WordPress Block EditorWordPressMySQL+24 | — | — |
| 14 | Abatable Online platform to calculate and offset the carbon footprint | $17M | 38 mo ago | Series A | 6 | Maria Filmanovic Co-Founder | WordPressApple iCloud MailGoogle Workspace+24 | — | 1 award |
| 15 | Pledge Provider of a platform for logistics emissions management | $14M | 43 mo ago | Acquired | 14 | Pierre Vaidie Co-founder and Head of Engineering | — | — | — |
| 16 | WeVee Online platform offering electric car-leasing services 27Growth top 18%Talent top 38%Funding bottom 48%Tech bottom 42% All 7 signals ▾Growthtop 18% Talenttop 38% Fundingbottom 48% Techbottom 42% Globalbottom 32% Marketbottom 26% Fin. healthbottom 10% Growth: Headcount 22 → 41 (+86%) across vintages Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 27/100 | $14M | 59 mo ago | Deadpooled | 41 | Paul Fagan Co-Founder & CEO | SitecoreApple iCloud MailMicrosoft 365+15 | — | — |
| 17 | UNDO Provider of carbon removal services | $12M | 21 mo ago | Series B | 80 | — | WordPressMySQLPHP+13 | 23 patents Software debugging and runtime analysis tools, focusing on shared memory error detection. | 1 job opening |
| 18 | Brilliant Planet Provider of algae based carbon sequestration solution | $12M | 50 mo ago | Series A | 10 | Keith Coleman Co-Founder | — | 18 patents Patents concentrated in health & consumer products | — |
| 19 | 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 | Series A | — | Stuart Rowland Founder & CEO | WebflowGSAPMicrosoft Advertising+12 | — | 3 job openings |
| 20 | Connect SaaS-based platform to calculate the carbon footprint | $7M | 38 mo ago | Seed | 7 | — | Apple iCloud MailGoogle WorkspaceReact+6 | 15 patents Industrial process monitoring and control systems | 1 launch |
| 21 | Zevero Provider of carbon management software and sustainability consulting services 53Talent top 28%Funding top 33%Tech top 35%Innovation top 37% All 10 signals ▾Talenttop 28% Fundingtop 33% Techtop 35% Innovationtop 37% Producttop 46% Growthtop 48% Moattop 48% Newsbottom 39% Globalbottom 36% Marketbottom 29% Talent: 4 named leaders on record · 4 C-suite/founder profiles curated Funding: Raised $7.0M across 2 rounds · 2 rounds over 2 yrs (1.0/yr) rank vs industry peers · Fliar Intelligence Index 53/100 | $7M | 2 mo ago | Acquired | 8 | Benjamin Richardson Co-Founder & Chief Sustainability Officer | WebflowGSAPMicrosoft Clarity+23 | — | 1 partnership · 1 award |
| 22 | Rensair Developer of air filtration technology for existing mechanical ventilation systems | $7M | 49 mo ago | Series A | 3 | Frederik Hendriksen Co-Founder | WordPress Block EditorWordPressMySQL+16 | — | — |
| 23 | Signol Develops and offers energy efficiency solutions | $7M | 21 mo ago | Seed | 9 | Daniel White Co-Founder & CEO | WordPressMySQLPHP+26 | 3 patents Monitoring and verification of actions within business event-driven workflow processes | — |
| 24 | Black Bull Biochar Provider of biochar solutions for agricultural and industrial systems 11Talent top 38%Funding top 50%Global bottom 32%Market bottom 19% All 4 signals ▾Talenttop 38% Fundingtop 50% Globalbottom 32% Marketbottom 19% Talent: 2 named leaders on record · 2 C-suite/founder profiles curated Funding: Raised $5.4M across 3 rounds · 3 rounds over 4 yrs (0.8/yr) rank vs industry peers · Fliar Intelligence Index 11/100 | $5M | 6 mo ago | Seed | 3 | Hamish Creber Co-Founder & CTO | — | — | — |
| 25 | Neutreeno Provider of decarbonisation system that maps value chains and emissions | $5M | 21 mo ago | Seed | 4 | Spencer Brennan Founder | Webflowcore-jsSwiper+10 | — | 2 job openings |
| 26 | Seabound Provider of solutions to capture carbon emissions of ships 24Talent top 38%Funding top 42%Moat top 48%Partners bottom 43% All 6 signals ▾Talenttop 38% Fundingtop 42% Moattop 48% Partnersbottom 43% Globalbottom 39% Marketbottom 31% Talent: 2 named leaders on record · 2 C-suite/founder profiles curated Funding: Raised $4.7M across 4 rounds · 4 rounds over 5 yrs (0.8/yr) rank vs industry peers · Fliar Intelligence Index 24/100 | $5M | 10 mo ago | Seed | 8 | Roujia Wen Co-Founder & CTO | — | — | — |
| 27 | Arborea Developer of technology producing protein and ingredients using carbon dioxide 45Moat top 25%Growth top 28%Patents top 29%Innovation top 33% All 11 signals ▾Moattop 25% Growthtop 28% Patentstop 29% Innovationtop 33% Fundingtop 43% Techtop 47% Talentbottom 49% Productbottom 48% Globalbottom 42% Newsbottom 18% Marketbottom 17% Moat: Editorial + unicorn rating 6/10 · IP moat: 40 patents Growth: Web rank 50,000,000 → 10,000,000 YoY · Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 45/100 | $4M | 17 mo ago | Series A | 2 | Julian Melchiorri CEO | WordPressMySQLPHP+19 | 40 patents Patents concentrated in chemistry & materials | — |
| 28 | Foodsteps Provider of carbon footprint awareness solutions for food businesses | $4M | 48 mo ago | Acquired | 8 | Anya Doherty Founder & CEO | WebflowApple iCloud MailGoogle Workspace+17 | — | — |
| 29 | Lune Provider of software for emission calculations and carbon projects | $4M | 51 mo ago | Series A | 7 | Erik Stadigh Co-Founder & CEO | PrismicNode.jsMUI+22 | — | — |
| 30 | Parallel Carbon Developer of affordable direct air carbon capture and clean hydrogen technologies 11Funding top 42%Talent bottom 49%Global bottom 39%Partners bottom 35% All 5 signals ▾Fundingtop 42% Talentbottom 49% Globalbottom 39% Partnersbottom 35% Marketbottom 20% Funding: Raised $3.6M across 3 rounds · 3 rounds over 3 yrs (1.0/yr) Talent: 1 named leader on record · 1 C-suite/founder profile curated rank vs industry peers · Fliar Intelligence Index 11/100 | $4M | 8 mo ago | Series A | 2 | Ryan Anderson Co-Founder & CEO | — | — | 1 launch |
| 31 | Holy Grail Technology solutions provider for energy storage | $3M | 59 mo ago | Seed | 1 | — | — | — | — |
| 32 | Minimum Developer of software for managing environmental data and carbon inventories | $3M | 48 mo ago | Acquired | 28 | Freddie Green Co-Founder | WebflowApple iCloud MailGoogle Workspace+21 | — | — |
| 33 | Thallo Provider of a marketplace and software for carbon credit transactions | $2M | 43 mo ago | Seed | 3 | Joseph Hargreaves Co-Founder | — | — | — |
| 34 | EMSOL Platform for monitoring air and noise pollutions | $2M | 52 mo ago | Seed | 6 | Freddie Talberg Co-Founder | WordPressMySQLPHP+20 | — | — |
| 35 | Giki App-based platform to find sustainable and healthy products in the UK supermarket | $2M | 54 mo ago | Seed | 12 12 → 20 (+67%) | Jo Hand Co-Founder | WordPress Block EditorWordPressMySQL+19 | — | — |
| 36 | Ambient Provider of decentralized environmental monitoring solution | $2M | 25 mo ago | Seed | — | Luca Franchi Co-founder and CEO | React RouterReactNginx+5 | — | — |
| 37 | MODA Industries Manufacturer of trucks 19Patents top 41%Innovation top 44%Moat bottom 49%Talent bottom 49% All 7 signals ▾Patentstop 41% Innovationtop 44% Moatbottom 49% Talentbottom 49% Fundingbottom 46% Globalbottom 35% Marketbottom 12% Patents: 6 patents matched (strict assignee match) · 6 filings since 2022 vs 0 in 2017-21 Innovation: 6 patents (top 79% of patent-holders) · 6 filings since 2022 vs 0 in 2017-21 rank vs industry peers · Fliar Intelligence Index 19/100 | $2M | 26 mo ago | Seed | 5 | Rich Brown Chief Executive Officer | — | 6 patents Portable alcohol-fuel burners and illuminated safety gloves for hazardous environments | — |
| 38 | Cbamboo Developer of a platform for managing carbon border adjustment mechanism costs | $1M | 29 mo ago | Seed | — | Daniel Sharp Founder & CTO | StoryblokApple iCloud MailNode.js+14 | — | — |
| 39 | inhabit Provider of solutions for carbon offset | $1M | 48 mo ago | Acquired | 10 | Sam Mckay Co-Founder | — | — | — |
| 40 | Net Zero Now SaaS-based platform to calculate carbon footprint | $1M | 40 mo ago | Acquired | 8 | — | — | — | — |
| 41 | ZELP Provider of IoT-enabled wearable devices for cattle monitoring | $1M | 38 mo ago | Series A | 6 | Patricio Norris Co-Founder | WordPressMySQLPHP+18 | 60 patents Environmental gas detection and catalytic methane oxidation for emission control | 1 job opening · 1 launch |
| 42 | Expect Provider of analytical and AI-based carbon monitoring platform | $978K | 50 mo ago | Seed | 5 | Anand Verma Founder and CEO | — | — | — |
| 43 | TripShift Online platform to calculate and track the carbon emissions | $636K | 27 mo ago | Seed | 5 | Lars Welinder Co-Founder | — | — | — |
| 44 | Bluemethane Provider of technology to measure, degas, and prevent methane emissions | $535K | 36 mo ago | Seed | 7 | Louise Bentata Co-Founder & CEO | WordPressMySQLPHP+25 | 3 patents Extraction of dissolved methane from water streams | 1 partnership · 1 award |
| 45 | HyveGEO Developes new materials for energy and electronics applications 35Talent top 28%Growth top 35%Tech bottom 47%Funding bottom 43% All 6 signals ▾Talenttop 28% Growthtop 35% Techbottom 47% Fundingbottom 43% Globalbottom 32% Marketbottom 25% Talent: 3 named leaders on record · 3 C-suite/founder profiles curated Growth: Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 35/100 | $500K | 5 mo ago | Seed | — | Samsurin Welch Co-Founder & Chief Operating Officer | WordPressMySQLPHP+20 | — | 1 award |
| 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 | Series A | 2 | Richard Davis Co-Founder & CEO | — | — | — |
| 47 | Climate Essentials Cloud-based platform providing carbon management and footprint awareness solutions | $424K | 36 mo ago | Seed | 14 14 → 8 (-43%) | Daniela Menzky CEO | — | — | — |
| 48 | Pluvo Provider of air purifier advertising board | $421K | 42 mo ago | Seed | 3 | Matteo Maccario Co-Founder & CEO | — | — | — |
| 49 | Emizio Online platform offering solutions for carbon footprint awareness | $308K | 16 mo ago | Seed | 4 | Natasha Smith Thakur Co-Founder & CEO | — | — | — |
| 50 | Greenpixie Provider of solutions for carbon emissions management 14Funding top 47%Moat top 48%Talent bottom 49%Tech bottom 38% All 6 signals ▾Fundingtop 47% Moattop 48% Talentbottom 49% Techbottom 38% Globalbottom 37% Marketbottom 24% Funding: Raised $301k across 3 rounds · 3 rounds over 4 yrs (0.8/yr) Moat: Editorial + unicorn rating 5/10 · 10 curated direct competitors tracked rank vs industry peers · Fliar Intelligence Index 14/100 | $301K | 1 mo ago | Seed | 9 | William Tinney Co-Founder | LearnWorldsApple iCloud MailGoogle Workspace+18 | — | — |
Top 12 Air Pollution Management Tech companies in London
#1
Acquired · London, England · founded 2021 · 8 employees$7Mraised▾
Acquired · London, England · founded 2021 · 8 employees
Provider of carbon management software and sustainability consulting services. The company offers a platform for businesses to measure and manage their carbon emissions. It also provides tools for environmental, social, and governance reporting. The company’s software helps track emissions across operations and product lifecycles.
Fliar Intelligence Index™ 53how this company ranks against its industry peers
Talent
top 28%Funding
top 33%Tech
top 35%Innovation
top 37%Product
top 46%Growth
top 48%Talent: 4 named leaders on record · 4 C-suite/founder profiles curated
Funding: Raised $7.0M across 2 rounds · 2 rounds over 2 yrs (1.0/yr) · Last round Seed (Mar 2026)
Tech: 34 technologies across 5/8 capability areas · Cloud: Amazon Cloudfront, Amazon S3 · Observability: Microsoft Clarity, Sentry
Audience (LinkedIn): 7k LinkedIn followers
Activity (LinkedIn): 1 partnerships · 1 awards (incl. Sunstar) announced in 12 mo
Funding rounds
- Mar 2026Seed$7M
- Sep 2024Seed$7M
Founders & team
Investors
Spiral Capital, East Ventures, Gazelle, Deep30
Tech stack
Amazon CloudfrontAmazon S3Amazon Web ServicesAnt DesignCloudflareCloudflare Bot Management
#2
Series C · London, England · founded 2020 · 90 employees$77.2Mraised▾
Series C · London, England · founded 2020 · 90 employees
Provider of carbon ratings and risk analytics for carbon projects. The company offers tools for assessing carbon project quality at any stage. It delivers ratings, risk analytics, and market intelligence. The company’s platform provides project-level analysis and fundamental project data.
Fliar Intelligence Index™ 57how this company ranks against its industry peers
Growth
top 26%Funding
top 31%Moat
top 31%Talent
top 38%Tech
top 40%Market
top 49%Growth: Headcount 28 → 90 (+221%) across vintages · Web rank 5,000,000 → 10,000,000 YoY · Fresh capital in last 24 mo
Funding: Raised $77.2M across 5 rounds · 5 rounds over 6 yrs (0.8/yr) · Last round Series C (Jan 2025)
Moat: Editorial + unicorn rating 8/10 · Soonicorn · 9 curated direct competitors tracked
Audience (LinkedIn): 41k LinkedIn followers — 10.0% of this cohort's audience
Funding rounds
- Jan 2025Series C$32M
- Nov 2022Series B$53.4M
- Mar 2022Series A$19.8M
- Apr 2021Seed$4M
Founders & team
Investors
Extantia, Contrarian Ventures, Norrsken VC, Molten Ventures, Illuminate Financial, EDF
Tech stack
6SenseAmazon SesAmazon Web ServicesCloudflareCloudflare Bot ManagementCookieyes
#3
Seed · London, England · founded 2022 · 3 employees$5.4Mraised▾
Seed · London, England · founded 2022 · 3 employees
Provider of biochar solutions for agricultural and industrial systems. The company facilitates integration with farm management systems, helping to bolster crop yields. It focuses on scaling greenhouse gas removal technologies. The company brings together industry and agriculture through biochar to restore the environment. It also generates renewable heat through pyrolysis.
Fliar Intelligence Index™ 11how this company ranks against its industry peers
Talent
top 38%Funding
top 50%Global
bottom 32%Market
bottom 19%Talent: 2 named leaders on record · 2 C-suite/founder profiles curated
Funding: Raised $5.4M across 3 rounds · 3 rounds over 4 yrs (0.8/yr) · Last round Conventional Debt (Dec 2025)
Global: Single-market focus (United Kingdom)
Audience (LinkedIn): 3k LinkedIn followers
Funding rounds
- Dec 2025Conventional Debt$2.7M
- Nov 2025Seed$2.7M
- Apr 2022Seed$38.8K
Founders & team
Investors
TSP Ventures, Greater Manchester Combined Authority, Ukri, The University of Edinburgh, Dss Sustainable Solutions
#4
Series A · London, England · founded 2020 · 50 employees$42Mraised▾
Series A · London, England · founded 2020 · 50 employees
Provider of accelerated mineralisation process for permanent carbon dioxide removal. It eliminate CO2 by turning it into rock using the natural power of mineralisation. It combines deep geologic and mineralisation expertise with decades of venture capital and technology experience. It aims to remove large amounts of carbon dioxide quickly, efficiently, and permanently.
Fliar Intelligence Index™ 42how this company ranks against its industry peers
Funding
top 32%Talent
top 38%Tech
top 49%Growth
bottom 47%Market
bottom 39%Global
bottom 39%Funding: Raised $42.0M across 4 rounds · 4 rounds over 5 yrs (0.8/yr) · Last round Series A (Jan 2025)
Talent: 2 named leaders on record · 2 C-suite/founder profiles curated
Tech: 17 technologies across 4/8 capability areas · Cloud: Vercel · Security: Hsts
Audience (LinkedIn): 21k LinkedIn followers — 5.1% of this cohort's audience
Hiring (LinkedIn): 1 hiring post in 12 mo (public) · hiring: Project Manager
Activity (LinkedIn): 2 partnerships · 1 awards (incl. DecarbFaroe) announced in 12 mo
Funding rounds
- Jan 2025Series A$6.3M
- Jul 2024Series A$49.3M
- Dec 2022Grant (prize money)$1.2M
- Jul 2021Seed$7.2M
Founders & team
Investors
Equinor, Shorooq Partners, Air Liquide, Alumni Ventures, The Climate Pledge, Climate Investment
Tech stack
Google Tag ManagerHstsMicrosoft 365Next.JsNext.Js App RouterNode.Js
#5
Seed · London, England · founded 2021 · 8 employees$4.7Mraised▾
Seed · London, England · founded 2021 · 8 employees
Provider of solutions to capture carbon emissions of ships. It offers technology to capture CO2 emissions from ships to reduce the carbon footprint of ships. The captured CO2 gas is then collected while docking and sold for utilization or sequestration.
Fliar Intelligence Index™ 24how this company ranks against its industry peers
Talent
top 38%Funding
top 42%Moat
top 48%Partners
bottom 43%Global
bottom 39%Market
bottom 31%Talent: 2 named leaders on record · 2 C-suite/founder profiles curated
Funding: Raised $4.7M across 4 rounds · 4 rounds over 5 yrs (0.8/yr) · Last round Grant (prize money) (Aug 2025)
Moat: Editorial + unicorn rating 5/10 · 9 curated direct competitors tracked
Audience (LinkedIn): 8k LinkedIn followers
Hiring (LinkedIn): 1 hiring post in 12 mo (public) · hiring: Head of Business Development, Laboratory Analyst
Activity (LinkedIn): 2 awards announced in 12 mo
Funding rounds
- Aug 2025Grant (prize money)$1.5M
- Dec 2024Seed—
- Mar 2024Seed—
- Nov 2023Seed$143.9K
Founders & team
Investors
Y Combinator, Climate Capital, Techstars, Lowercarbon Capital, EPS, Emles
#6
Series A · London, England · founded 2021 · 2 employees$3.6Mraised▾
Series A · London, England · founded 2021 · 2 employees
Developer of affordable direct air carbon capture and clean hydrogen technologies. It combines Direct Air Capture (DAC) and Water Electrolysis processes, utilizing renewable energy sources to remove atmospheric carbon and produce clean hydrogen. The dual process approach aims to mitigate climate change through cost-effective carbon removal and clean energy generation. This technology offers a sustainable solution for environmental remediation and renewable energy production.
Fliar Intelligence Index™ 11how this company ranks against its industry peers
Funding
top 42%Talent
bottom 49%Global
bottom 39%Partners
bottom 35%Market
bottom 20%Funding: Raised $3.6M across 3 rounds · 3 rounds over 3 yrs (1.0/yr) · Last round Series A (Sep 2025)
Talent: 1 named leader on record · 1 C-suite/founder profile curated
Global: Investors from 3 countries beyond United Kingdom
Audience (LinkedIn): 3k LinkedIn followers
Activity (LinkedIn): 1 product launches · 3 partnerships (incl. Repsol Foundation) announced in 12 mo
Funding rounds
- Sep 2025Series A$140.9K
- Dec 2023Grant (prize money)$15K
- Dec 2023Series A$3.6M
Founders & team
Investors
Aramco Ventures, Axon Partners Group, Visafoundations, Village Capital, The Fundacion Repsol Entrepreneurs Fund, Deep Science Ventures
#7
Seed · London, England · founded 2021 · 9 employees$300.6Kraised▾
Seed · London, England · founded 2021 · 9 employees
Provider of solutions for carbon emissions management. Its platform helps in measuring and understanding cloud and website emissions.
Fliar Intelligence Index™ 14how this company ranks against its industry peers
Funding
top 47%Moat
top 48%Talent
bottom 49%Tech
bottom 38%Global
bottom 37%Market
bottom 24%Funding: Raised $301k across 3 rounds · 3 rounds over 4 yrs (0.8/yr) · Last round Seed (May 2026)
Moat: Editorial + unicorn rating 5/10 · 10 curated direct competitors tracked
Talent: 1 named leader on record · 1 C-suite/founder profile curated
Audience (LinkedIn): 8k LinkedIn followers
Funding rounds
- May 2026Seed$6.3M
- Jul 2023Grant (prize money)$64.3K
- Jul 2022Seed$300.6K
Founders & team
Investors
Ascension, Gov, Verbundx, Octopus Ventures, Green Angel Ventures, Armajaro Holdings Limited
Tech stack
Amazon SesAmazon Web ServicesApple Icloud MailCloudflareCodemirrorCore-Js
#8
Seed · London, England · founded 2022$500Kraised▾
Seed · London, England · founded 2022
Developes new materials for energy and electronics applications The company accelerates the development of new materials for energy and electronics applications through its patented techniques. The company has developed solid state batteries, super alloys, fuel cells catalysts , replacement for piezoelectric materials, and more.
Fliar Intelligence Index™ 35how this company ranks against its industry peers
Talent
top 28%Growth
top 35%Tech
bottom 47%Funding
bottom 43%Global
bottom 32%Market
bottom 25%Talent: 3 named leaders on record · 3 C-suite/founder profiles curated
Growth: Fresh capital in last 24 mo
Tech: 24 technologies across 3/8 capability areas · Cloud: Cloudflare · Security: Cloudflare Bot Management, Hsts
Audience (LinkedIn): 2k LinkedIn followers
Activity (LinkedIn): 2 awards announced in 12 mo
Funding rounds
- Jan 2026Grant (prize money)$500K
- Dec 2023Seed—
Founders & team
Investors
Systema, FoodTech Challenge
Tech stack
CloudflareCloudflare Bot ManagementContact Form 7Core-JsElementorEwww Image Optimizer
#9
Series B · London, England · founded 2022 · 80 employees$12Mraised▾
Series B · London, England · founded 2022 · 80 employees
Provider of carbon removal services. It specializes in carbon removal to combat climate change. It also provides information on global issues and initiatives, including climate change.
LinkedIn Pulse recent public activity · Jul 2026
Audience: 12k LinkedIn followers — 3.0% of this cohort's audience
Hiring: 1 hiring post in 12 mo (public) · hiring: Head of Science
Funding rounds
- Sep 2024Conventional Debt—
- May 2023Series B$12M
Investors
Lowercarbon Capital, AENU, Standard Chartered, Yes VC, Forsterfoundationcio, Harbrook
Tech stack
CloudflareCloudflare Bot ManagementGoogle WorkspaceHttp/3HubspotLazysizes
#10
Series A · London, England · founded 2015 · 2 employees$4.3Mraised▾
Series A · London, England · founded 2015 · 2 employees
Developer of technology producing protein and ingredients using carbon dioxide. The system cultivates microalgae biomass, emitting oxygen as a by-product. The technology does not rely on fertile land or agricultural feedstocks. It produces ingredients at scale on rooftops or co-located with infrastructures. The technology is modular, scalable, and climate-resilient. It develops ingredients that manufacturers can use to make sustainable food.
Fliar Intelligence Index™ 45how this company ranks against its industry peers
Moat
top 25%Growth
top 28%Patents
top 29%Innovation
top 33%Funding
top 43%Tech
top 47%Moat: Editorial + unicorn rating 6/10 · IP moat: 40 patents
Growth: Web rank 50,000,000 → 10,000,000 YoY · Fresh capital in last 24 mo
Patents: 40 patents matched (strict assignee match) · 25 filings since 2022 vs 15 in 2017-21 · Latest publication 2026
Audience (LinkedIn): 6k LinkedIn followers
Funding rounds
- Dec 2024Series A$5.2M
- Jan 2022Grant (prize money)$2.7M
- Jul 2021Seed$4.3M
- 2021Grant (prize money)$61.3K
Founders & team
Investors
Plug and Play Tech Center, Europa, BGF, Rubio impact Ventures, Volta Circle, EIC Fund
Tech stack
CloudflareCloudflare Bot ManagementContact Form 7Core-JsGodaddyHsts
#11
Series B · London, England · founded 2020 · 82 employees$97.4Mraised▾
Series B · London, England · founded 2020 · 82 employees
Provider of solutions to offset the carbon footprint. Users can understand the real-time carbon performance of offset projects through the platform. It also allows users to explore satellite imagery to see real-time data.
LinkedIn Pulse recent public activity · Jul 2026
Audience: 47k LinkedIn followers — 11.3% of this cohort's audience
Funding rounds
- Jul 2023Series B$57.7M
- Jan 2022Series A$34M
- May 2021Grant (prize money)$2M
- Mar 2021Seed$7.8M
Founders & team
Investors
Index Ventures, Seedcamp, Speedinvest, Revent, Innovate UK, Balderton Capital
Tech stack
6SenseCdnjsCloudflareCloudflare Bot ManagementCore-JsGoogle Analytics
#12
Series C · London, England · founded 2009 · 27 employees$260.5Mraised▾
Series C · London, England · founded 2009 · 27 employees
Developer of technology for industrial carbon capture and utilisation solutions. The company provides modular solutions optimised for industrial environments. Its technology aims to reduce emissions and enable carbon reduction goals. The company offers patented technology and supports deployment of carbon capture.
LinkedIn Pulse recent public activity · Jul 2026
Audience: 90k LinkedIn followers — 21.7% of this cohort's audience
Activity: 2 awards announced in 12 mo
Funding rounds
- May 2022Grant (prize money)$851K
- Feb 2022Series C$190.1M
- Aug 2021Grant (prize money)$32.8K
- Jul 2021Series B$8.3M
Founders & team
Investors
Gov, Europa, EIC Fund, Marubeni, WAVE Equity Partners, Chevron
Tech stack
AosCloudflareCloudflare Bot ManagementCookiebotCore-JsDocusign
Funding & investor landscape
$1Btotal disclosed funding
73companies funded
148disclosed rounds
2rounds last 90 days
Most active investors
Y Combinator6 rounds
Gov5 rounds
Techstars4 rounds
Notable founders
Benjamin Richardson
Co-Founder & Chief Sustainability Officer · Zevero
George Wade
Co-Founder & CCO · Zevero
Sebastien Cross
Co-Founder · BeZero Carbon
Tommy Ricketts
Co-Founder and CEO · BeZero Carbon
Hamish Creber
Co-Founder & CTO · Black Bull Biochar
Alex Clarke
Co-Founder & CEO · Black Bull Biochar
Karan Khimji
Co-Founder & Chief Commercial Officer · 4401 Earth
Talal Hasan
Co-Founder & CEO · 4401 Earth
Roujia Wen
Co-Founder & CTO · Seabound
Alisha Fredriksson
Co-Founder & CEO · Seabound
Ryan Anderson
Co-Founder & CEO · Parallel Carbon
William Tinney
Co-Founder · Greenpixie
Prism market signals · United Kingdom · country-scoped Prism corpus, 3,828,945 docs
Market landscape — 10 sub-themes by coverage
Share of Air Pollution Management Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
RESEARCH IN LONDON · Environment
How research on Air Quality in London is moving
A read on the academic research around Air Quality in London — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 724 papers.
London's Imperial College, UCL, and King's College dominate air-quality research, focusing primarily on health-impact concerns, with a cautiously optimistic but largely worried tone amid surging post-2020 output.
724 papers · stance +0.07 · 10% breakthrough · 58% concern
top institutions
- Imperial College London351
- University College London131
- King\'s College London92
- London School of Hygiene & Tropical Medicine87
- Queen Mary University of London49
leading researchers
Eloïse A. Marais · Sean Beevers · Dimitris Evangelopoulos · Majid Ezzati · Frank J. Kelly · Sierra Clark
prism intelligence · tone & topics
38% positive · 55% critical tone
EnvironmentHealthTransportationPoliticsBusinessEducation
▲
Breakthroughs46 · 6%
▲ 5%→6% share
▲1.2× share momentum2 median citations85% since 2021mostly methods-led
Pollution research newly emerged with 10 papers, while Air pollution breakthroughs surged from 3 to 22.
rising sub-themes (early→recent)
- Air pollution3→22
- Pollutant1→8
- Particulates1→6
- Meteorology1→5
- Emission inventory1→3
Newly emergingPollution 0→10 · Atmospheric sciences 0→5 · Environmental health 0→4
Landmark Use of networks of low cost air quality sensors to quantify air quality in urban settings · 227 cites
◆
Advancements155 · 21%
▲ 11%→23% share
▲2.1× share momentum1 median citations90% since 2021mostly empirical
Particulates advancement newly emerged at 33 papers as Air pollution advancements soared from 3 to 106.
rising sub-themes (early→recent)
- Air pollution3→106
- Pollution1→39
- Environmental health3→21
- Pollutant1→18
- Aerosol1→14
Newly emergingParticulates 0→33 · Human health 0→9 · Air pollutants 0→8
Landmark Effects of fossil fuel and total anthropogenic emission removal on public health and climate · 867 cites
▼
Concerns282 · 39%
▼ 47%→37% share
▼0.8× share momentum3 median citations80% since 2021mostly empirical
Air pollution concerns intensified from 29 to 165 papers, dominating a segment whose field-share fell from 47% to 37%.
rising sub-themes (early→recent)
- Air pollution29→165
- Pollution5→67
- Environmental health19→59
- Particulates9→33
- Greenhouse gas2→19
Newly emergingAir pollutants 0→18 · Psychological intervention 0→11 · Context (archaeology) 0→10
Landmark Air pollution and public health: emerging hazards and improved understanding of risk · 783 cites
Common questions
How many Air Pollution Management Tech companies are there in London, United Kingdom?
Radar tracks 145 indexable Air Pollution Management Tech companies headquartered in London, United Kingdom that meet our profile-completeness bar.
What is the total funding raised by Air Pollution Management Tech companies in London, United Kingdom?
The Air Pollution Management Tech companies in London, United Kingdom on this list have raised a combined $1B in disclosed equity funding across 73 funded companies.
Which is the highest-funded Air Pollution Management Tech company in London, United Kingdom?
Carbon Clean is the highest-funded Air Pollution Management Tech company in London, United Kingdom, with $260.5M in disclosed equity funding.
How many Air Pollution Management Tech companies in London, United Kingdom are funded?
73 of the 145 Air Pollution Management Tech companies in London, United Kingdom on this list have disclosed at least one equity funding round.
How many Air Pollution Management Tech unicorns are there in London, United Kingdom?
None of the Air Pollution Management Tech companies in London, United Kingdom on this list currently has a disclosed valuation of $1B or more.
Who are the top investors in London, United Kingdom Air Pollution Management Tech companies?
The most active investors in London, United Kingdom Air Pollution Management Tech companies on this list include Lowercarbon Capital, Plug and Play Tech Center, Y Combinator, Climate Capital, Europa.
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.