Company lists · Data refreshed November 2026
Top 25 Carbon removal startups worldwide
RevenueBase identified 1,722 company matches for carbon removal startups worldwide as of November 2026 and tracks 20,708 professional contacts across them, including 9,233 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for carbon removal startups worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for carbon removal startups follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest carbon removal startups worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,180 contacts → | ||||
Exact match “California Resources Corporation (CRC) is an independent energy and carbon management company committed to energy transition.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 544 contacts → | ||||
Exact match “Promovemos, desde 2008, a descarbonização no segmento industrial, substituindo a queima de combustíveis fósseis (óleo, gás e carvão) pela biomassa, uma fonte de energia renovável.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 464 contacts → | ||||
Exact match “Chakr Innovation is a pioneering Indian cleantech startup, founded by IIT Delhi graduates, dedicated to revolutionizing air quality with cutting-edge material science technology.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 413 contacts → | ||||
Exact match “Veregy is an award-winning NAESCO-Accredited decarbonization company focusing on accelerating and simplifying the Energy Transition.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 413 contacts → | ||||
Exact match “Climeworks is a leading high-quality carbon removal provider, combining decades of expertise in Direct Air Capture (DAC) technology with holistic carbon removal solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 411 contacts → | ||||
Exact match “EcoSecurities is a global leader in climate solutions, harnessing the power of nature, technology, and finance to accelerate decarbonisation efforts worldwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 311 contacts → | ||||
Exact match “Avantium develops and commercializes innovative technologies for the production of materials based on sustainable carbon feedstocks, i.e.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 305 contacts → | ||||
Exact match “Our way of life is built on carbon, from our fuel sources to the materials in our consumer products, but we need a more sustainable way to source it to protect the future of our…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 288 contacts → | ||||
Exact match “WHAT WE DO We make filters and rotary contactor machines that capture and remove CO2, a greenhouse gas, from industrial emissions and the air.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 262 contacts → | ||||
Exact match “At SLB Capturi, we are dedicated to making carbon capture a reality today.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 250 contacts → | ||||
Exact match “NEXTCHEM is MAIRE’s company dedicated to Sustainable Technology Solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 217 contacts → | ||||
Exact match “Anew Climate is a global leader of diverse climate solutions, bringing innovative products and services to the public and private sectors to help reduce or offset their carbon…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 208 contacts → | ||||
Exact match “Wren Climate, PBC helps you live carbon neutral by accounting for and offsetting your carbon emissions through transparent climate projects.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 188 contacts → | ||||
Exact match “Carbon Engineering (CE) is a Canadian-based clean energy company leading the commercialization of groundbreaking technology that captures CO₂ directly from air, and a second…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 186 contacts → | ||||
Exact match “Carbon Clean is the point-source carbon capture expert, driving the decarbonisation of hard-to-abate industries for more than 15 years.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 159 contacts → | ||||
Exact match “Carbon Direct is a trusted energy and climate solutions company that combines world-class scientific expertise, technical rigor, and market insights to help clients achieve their…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 158 contacts → | ||||
Exact match “Founded in 2019, Green Carbon develops decarbonization projects together with farmers around the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 139 contacts → | ||||
Exact match “Climate Impact Partners is the trusted partner for organizations taking ambitious climate action.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 132 contacts → | ||||
Exact match “CoolPlanet is a global leader in industrial-scale decarbonisation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 127 contacts → | ||||
Exact match “Skytree is engineering the CO₂ transition by building machines to capture CO₂ from the air and repurpose it for good: whether it’s reused across different industries or stored…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 115 contacts → | ||||
Exact match “AIRCO (formerly AIR COMPANY) is a world leader in carbon conversion technology, paving the way to global energy independence and security by transforming CO₂ into a valuable…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 114 contacts → | ||||
Exact match “Mitigating the worst impacts of climate change by developing the world’s most cost-effective DAC technology to permanently remove CO2 from the atmosphere.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 111 contacts → | ||||
Exact match “Isometric is the agentic certification platform for the industrial economy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 107 contacts → | ||||
Exact match “Concrete That Matters: CarbonCure Technologies is on a mission to empower cement and concrete producers with technologies and strategies to achieve the industry's net zero…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 96 contacts → | ||||
Exact match “Over millions of years, silicate rock weathering has regulated Earth’s climate.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “carbon removal startups”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 1,722 carbon removal startups worldwide
See the full list, filter by size, metro and specialty, and access 9,233 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Carbon removal startups worldwide at a glance
As of Nov 6, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for carbon removal startups are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “carbon removal startups” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 9,233 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Carbon removal startups by location
15 lists · largest firstEvery Carbon removal startups list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Carbon removal startups based in the United States355
- Carbon removal startups based in the United Kingdom161
- Carbon removal startups based in Canada103
- Carbon removal startups based in India99
- Carbon removal startups based in Germany67
- Carbon removal startups based in Australia52
- Carbon removal startups based in Brazil48
- Carbon removal startups based in the Netherlands46
- Carbon removal startups based in France40
- Carbon removal startups based in Norway31
- Carbon removal startups based in Switzerland31
- Carbon removal startups based in Sweden30
- Carbon removal startups based in Spain26
Cities
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “carbon removal startups”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many carbon removal startups are there worldwide?
RevenueBase identified 1,722 company matches for carbon removal startups worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
California Resources Corporation tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most carbon removal startups?
The United States leads with 355 companies, followed by the United Kingdom (161) and Canada (103). Every carbon removal startups list by country and city is linked on this page.
Which city has the most carbon removal startups?
London leads with 75 company records, followed by New York (32) and Calgary (22).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 9,233 professional contacts with verified work emails tracked across these 1,722 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,722 carbon removal startups worldwide. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 carbon removal startups worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,722 matching company records for carbon removal startups worldwide, with 20,708 tracked contacts and 9,233 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 carbon removal startups worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | HQ: Los Angeles, CA, United StatesReported employees: 1,001-5,000 | Los Angeles, CA, United States | 1,001-5,000 | Exact match | 1,180 contacts → |
“California Resources Corporation (CRC) is an independent energy and carbon management company committed to energy transition.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Combio Energia S.Acombio.com.brHQ: Sao Paulo, BrazilReported employees: 501-1,000 | Sao Paulo, Brazil | 501-1,000 | Exact match | 544 contacts → |
“Promovemos, desde 2008, a descarbonização no segmento industrial, substituindo a queima de combustíveis fósseis (óleo, gás e carvão) pela biomassa, uma fonte de energia renovável.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Chakr Innovationchakr.inHQ: Gurgaon, IndiaReported employees: 501-1,000 | Gurgaon, India | 501-1,000 | Exact match | 464 contacts → |
“Chakr Innovation is a pioneering Indian cleantech startup, founded by IIT Delhi graduates, dedicated to revolutionizing air quality with cutting-edge material science technology.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Veregyveregy.comHQ: Phoenix, AZ, United StatesReported employees: 501-1,000 | Phoenix, AZ, United States | 501-1,000 | Exact match | 413 contacts → |
“Veregy is an award-winning NAESCO-Accredited decarbonization company focusing on accelerating and simplifying the Energy Transition.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Climeworksclimeworks.comHQ: Opfikon, SwitzerlandReported employees: 201-500 | Opfikon, Switzerland | 201-500 | Exact match | 413 contacts → |
“Climeworks is a leading high-quality carbon removal provider, combining decades of expertise in Direct Air Capture (DAC) technology with holistic carbon removal solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Ecosecuritiesecosecurities.comHQ: Geneva, SwitzerlandReported employees: 51-200 | Geneva, Switzerland | 51-200 | Exact match | 411 contacts → |
“EcoSecurities is a global leader in climate solutions, harnessing the power of nature, technology, and finance to accelerate decarbonisation efforts worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Avantiumavantium.comHQ: Amsterdam, United StatesReported employees: 201-500 | Amsterdam, United States | 201-500 | Exact match | 311 contacts → |
“Avantium develops and commercializes innovative technologies for the production of materials based on sustainable carbon feedstocks, i.e.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Lanzatechlanzatech.comHQ: Skokie, IL, United StatesReported employees: 201-500 | Skokie, IL, United States | 201-500 | Exact match | 305 contacts → |
“Our way of life is built on carbon, from our fuel sources to the materials in our consumer products, but we need a more sustainable way to source it to protect the future of our…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Svantesvanteinc.comHQ: Burnaby, BC, CanadaReported employees: 201-500 | Burnaby, BC, Canada | 201-500 | Exact match | 288 contacts → |
“WHAT WE DO We make filters and rotary contactor machines that capture and remove CO2, a greenhouse gas, from industrial emissions and the air.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  SLB Capturicapturi.slb.comHQ: Lysaker, NorwayReported employees: 201-500 | Lysaker, Norway | 201-500 | Exact match | 262 contacts → |
“At SLB Capturi, we are dedicated to making carbon capture a reality today.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Nextchemnextchem.comHQ: ItalyReported employees: 501-1,000 | Italy | 501-1,000 | Exact match | 250 contacts → |
“NEXTCHEM is MAIRE’s company dedicated to Sustainable Technology Solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Anew Climateanewclimate.comHQ: Houston, UT, United StatesReported employees: 201-500 | Houston, UT, United States | 201-500 | Exact match | 217 contacts → |
“Anew Climate is a global leader of diverse climate solutions, bringing innovative products and services to the public and private sectors to help reduce or offset their carbon…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  WRENwren.coHQ: San Jose, CA, United StatesReported employees: Not recorded | San Jose, CA, United States | Not recorded | Exact match | 208 contacts → |
“Wren Climate, PBC helps you live carbon neutral by accounting for and offsetting your carbon emissions through transparent climate projects.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Carbon Engineeringcarbonengineering.comHQ: Squamish, CanadaReported employees: 51-200 | Squamish, Canada | 51-200 | Exact match | 188 contacts → |
“Carbon Engineering (CE) is a Canadian-based clean energy company leading the commercialization of groundbreaking technology that captures CO₂ directly from air, and a second…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Carbon Cleancarbonclean.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 186 contacts → |
“Carbon Clean is the point-source carbon capture expert, driving the decarbonisation of hard-to-abate industries for more than 15 years.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Carbon Directcarbon-direct.comHQ: New York, United StatesReported employees: 51-200 | New York, United States | 51-200 | Exact match | 159 contacts → |
“Carbon Direct is a trusted energy and climate solutions company that combines world-class scientific expertise, technical rigor, and market insights to help clients achieve their…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Green Carbon INCgreen-carbon.co.jpHQ: 千代田区, JapanReported employees: 51-200 | 千代田区, Japan | 51-200 | Exact match | 158 contacts → |
“Founded in 2019, Green Carbon develops decarbonization projects together with farmers around the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Climate Impact Partnersclimateimpact.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 139 contacts → |
“Climate Impact Partners is the trusted partner for organizations taking ambitious climate action.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Coolplanetcoolplanet.ioHQ: Enniskerry, IrelandReported employees: 51-200 | Enniskerry, Ireland | 51-200 | Exact match | 132 contacts → |
“CoolPlanet is a global leader in industrial-scale decarbonisation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Skytreeskytree.techHQ: Amsterdam, NetherlandsReported employees: 51-200 | Amsterdam, Netherlands | 51-200 | Exact match | 127 contacts → |
“Skytree is engineering the CO₂ transition by building machines to capture CO₂ from the air and repurpose it for good: whether it’s reused across different industries or stored…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  AIRCOaircompany.comHQ: Brooklyn, NY, United StatesReported employees: 51-200 | Brooklyn, NY, United States | 51-200 | Exact match | 115 contacts → |
“AIRCO (formerly AIR COMPANY) is a world leader in carbon conversion technology, paving the way to global energy independence and security by transforming CO₂ into a valuable…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Heirloomheirloomcarbon.comHQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 114 contacts → |
“Mitigating the worst impacts of climate change by developing the world’s most cost-effective DAC technology to permanently remove CO2 from the atmosphere.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Isometricisometric.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 111 contacts → |
“Isometric is the agentic certification platform for the industrial economy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Carboncure Technologiescarboncure.comHQ: Dartmouth, NS, CanadaReported employees: 51-200 | Dartmouth, NS, Canada | 51-200 | Exact match | 107 contacts → |
“Concrete That Matters: CarbonCure Technologies is on a mission to empower cement and concrete producers with technologies and strategies to achieve the industry's net zero…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Terradotterradot.earthHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 96 contacts → |
“Over millions of years, silicate rock weathering has regulated Earth’s climate.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,722 company matches
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Carbon removal startups: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,721 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 1,722 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Carbon removal startups by location
15 lists · largest firstEvery Carbon removal startups list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Carbon removal startups based in the United States355
- Carbon removal startups based in the United Kingdom161
- Carbon removal startups based in Canada103
- Carbon removal startups based in India99
- Carbon removal startups based in Germany67
- Carbon removal startups based in Australia52
- Carbon removal startups based in Brazil48
- Carbon removal startups based in the Netherlands46
- Carbon removal startups based in France40
- Carbon removal startups based in Norway31
- Carbon removal startups based in Switzerland31
- Carbon removal startups based in Sweden30
- Carbon removal startups based in Spain26
Cities
Questions about this company list
What does Exact match mean for carbon removal startups?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many carbon removal startups did RevenueBase find worldwide?
The saved snapshot records 1,722 matching company records, 20,708 tracked contacts and 9,233 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 carbon removal startups worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/carbon-removal-startups.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 carbon removal startups worldwide
RevenueBase records 1,722 matching company records for carbon removal startups worldwide, with 20,708 tracked contacts and 9,233 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 carbon removal startups worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | HQ: Los Angeles, CA, United StatesReported employees: 1,001-5,000 | Los Angeles, CA, United States | 1,001-5,000 | Exact match | 1,180 contacts → |
“California Resources Corporation (CRC) is an independent energy and carbon management company committed to energy transition.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Combio Energia S.Acombio.com.br HQ: Sao Paulo, BrazilReported employees: 501-1,000 | Sao Paulo, Brazil | 501-1,000 | Exact match | 544 contacts → |
“Promovemos, desde 2008, a descarbonização no segmento industrial, substituindo a queima de combustíveis fósseis (óleo, gás e carvão) pela biomassa, uma fonte de energia renovável.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Chakr Innovationchakr.in HQ: Gurgaon, IndiaReported employees: 501-1,000 | Gurgaon, India | 501-1,000 | Exact match | 464 contacts → |
“Chakr Innovation is a pioneering Indian cleantech startup, founded by IIT Delhi graduates, dedicated to revolutionizing air quality with cutting-edge material science technology.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Veregyveregy.com HQ: Phoenix, AZ, United StatesReported employees: 501-1,000 | Phoenix, AZ, United States | 501-1,000 | Exact match | 413 contacts → |
“Veregy is an award-winning NAESCO-Accredited decarbonization company focusing on accelerating and simplifying the Energy Transition.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Climeworksclimeworks.com HQ: Opfikon, SwitzerlandReported employees: 201-500 | Opfikon, Switzerland | 201-500 | Exact match | 413 contacts → |
“Climeworks is a leading high-quality carbon removal provider, combining decades of expertise in Direct Air Capture (DAC) technology with holistic carbon removal solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Ecosecuritiesecosecurities.com HQ: Geneva, SwitzerlandReported employees: 51-200 | Geneva, Switzerland | 51-200 | Exact match | 411 contacts → |
“EcoSecurities is a global leader in climate solutions, harnessing the power of nature, technology, and finance to accelerate decarbonisation efforts worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Avantiumavantium.com HQ: Amsterdam, United StatesReported employees: 201-500 | Amsterdam, United States | 201-500 | Exact match | 311 contacts → |
“Avantium develops and commercializes innovative technologies for the production of materials based on sustainable carbon feedstocks, i.e.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Lanzatechlanzatech.com HQ: Skokie, IL, United StatesReported employees: 201-500 | Skokie, IL, United States | 201-500 | Exact match | 305 contacts → |
“Our way of life is built on carbon, from our fuel sources to the materials in our consumer products, but we need a more sustainable way to source it to protect the future of our…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Svantesvanteinc.com HQ: Burnaby, BC, CanadaReported employees: 201-500 | Burnaby, BC, Canada | 201-500 | Exact match | 288 contacts → |
“WHAT WE DO We make filters and rotary contactor machines that capture and remove CO2, a greenhouse gas, from industrial emissions and the air.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | SLB Capturicapturi.slb.com HQ: Lysaker, NorwayReported employees: 201-500 | Lysaker, Norway | 201-500 | Exact match | 262 contacts → |
“At SLB Capturi, we are dedicated to making carbon capture a reality today.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Nextchemnextchem.com HQ: ItalyReported employees: 501-1,000 | Italy | 501-1,000 | Exact match | 250 contacts → |
“NEXTCHEM is MAIRE’s company dedicated to Sustainable Technology Solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Anew Climateanewclimate.com HQ: Houston, UT, United StatesReported employees: 201-500 | Houston, UT, United States | 201-500 | Exact match | 217 contacts → |
“Anew Climate is a global leader of diverse climate solutions, bringing innovative products and services to the public and private sectors to help reduce or offset their carbon…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | WRENwren.co HQ: San Jose, CA, United StatesReported employees: Not recorded | San Jose, CA, United States | Not recorded | Exact match | 208 contacts → |
“Wren Climate, PBC helps you live carbon neutral by accounting for and offsetting your carbon emissions through transparent climate projects.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Carbon Engineeringcarbonengineering.com HQ: Squamish, CanadaReported employees: 51-200 | Squamish, Canada | 51-200 | Exact match | 188 contacts → |
“Carbon Engineering (CE) is a Canadian-based clean energy company leading the commercialization of groundbreaking technology that captures CO₂ directly from air, and a second…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Carbon Cleancarbonclean.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 186 contacts → |
“Carbon Clean is the point-source carbon capture expert, driving the decarbonisation of hard-to-abate industries for more than 15 years.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Carbon Directcarbon-direct.com HQ: New York, United StatesReported employees: 51-200 | New York, United States | 51-200 | Exact match | 159 contacts → |
“Carbon Direct is a trusted energy and climate solutions company that combines world-class scientific expertise, technical rigor, and market insights to help clients achieve their…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Green Carbon INCgreen-carbon.co.jp HQ: 千代田区, JapanReported employees: 51-200 | 千代田区, Japan | 51-200 | Exact match | 158 contacts → |
“Founded in 2019, Green Carbon develops decarbonization projects together with farmers around the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Climate Impact Partnersclimateimpact.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 139 contacts → |
“Climate Impact Partners is the trusted partner for organizations taking ambitious climate action.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Coolplanetcoolplanet.io HQ: Enniskerry, IrelandReported employees: 51-200 | Enniskerry, Ireland | 51-200 | Exact match | 132 contacts → |
“CoolPlanet is a global leader in industrial-scale decarbonisation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Skytreeskytree.tech HQ: Amsterdam, NetherlandsReported employees: 51-200 | Amsterdam, Netherlands | 51-200 | Exact match | 127 contacts → |
“Skytree is engineering the CO₂ transition by building machines to capture CO₂ from the air and repurpose it for good: whether it’s reused across different industries or stored…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | AIRCOaircompany.com HQ: Brooklyn, NY, United StatesReported employees: 51-200 | Brooklyn, NY, United States | 51-200 | Exact match | 115 contacts → |
“AIRCO (formerly AIR COMPANY) is a world leader in carbon conversion technology, paving the way to global energy independence and security by transforming CO₂ into a valuable…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Heirloomheirloomcarbon.com HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 114 contacts → |
“Mitigating the worst impacts of climate change by developing the world’s most cost-effective DAC technology to permanently remove CO2 from the atmosphere.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Isometricisometric.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 111 contacts → |
“Isometric is the agentic certification platform for the industrial economy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Carboncure Technologiescarboncure.com HQ: Dartmouth, NS, CanadaReported employees: 51-200 | Dartmouth, NS, Canada | 51-200 | Exact match | 107 contacts → |
“Concrete That Matters: CarbonCure Technologies is on a mission to empower cement and concrete producers with technologies and strategies to achieve the industry's net zero…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Terradotterradot.earth HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 96 contacts → |
“Over millions of years, silicate rock weathering has regulated Earth’s climate.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Carbon removal startups: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,721 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 1,722 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Carbon removal startups by location
15 lists · largest firstEvery Carbon removal startups list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Carbon removal startups based in the United States355
- Carbon removal startups based in the United Kingdom161
- Carbon removal startups based in Canada103
- Carbon removal startups based in India99
- Carbon removal startups based in Germany67
- Carbon removal startups based in Australia52
- Carbon removal startups based in Brazil48
- Carbon removal startups based in the Netherlands46
- Carbon removal startups based in France40
- Carbon removal startups based in Norway31
- Carbon removal startups based in Switzerland31
- Carbon removal startups based in Sweden30
- Carbon removal startups based in Spain26
Cities
Questions about this company list
What does Exact match mean for carbon removal startups?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many carbon removal startups did RevenueBase find worldwide?
The saved snapshot records 1,722 matching company records, 20,708 tracked contacts and 9,233 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
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Cite this list
RevenueBase Data Team. Top 25 carbon removal startups worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/carbon-removal-startups.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗