Company lists · Data refreshed September 2026
Top 25 Decarbonization companies based in Denmark
RevenueBase identified 111 decarbonization companies headquartered in Denmark as of September 2026 and tracks 5,981 professional contacts across them, including 1,021 with verified work emails. Copenhagen is the largest hub.
This list covers decarbonization companies headquartered in Denmark, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 15, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 decarbonization companies based in Denmark
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,128 contacts → | ||||
Indirect evidence “At Danfoss Climate Solutions, we engineer energy-efficient heating and cooling solutions to help the world get more out of less.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 2 | 451 contacts → | ||||
Indirect evidence “NRGi is an accelerator for the green transition in Denmark - and a better future.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 3 | 115 contacts → | ||||
Indirect evidence “AIP specialises in decarbonisation and energy infrastructure investments that facilitate the energy transition in Europe and North America.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 4 | 99 contacts → | ||||
Indirect evidence “Union Engineering, as part of Pentair Group, is a leading partner in CO2 technology, designing and manufacturing CO2 recovery plants for the Beverage industry as well as for…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 5 | 94 contacts → | ||||
Indirect evidence “We want to be a role model that contributes to accelerating the green transition.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 6 | 92 contacts → | ||||
Indirect evidence “At MASH Makes, we convert organic waste into sustainable biofuels, biochar, and carbon removal solutions to combat climate change and promote sustainability.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 7 | 69 contacts → | ||||
Indirect evidence “Energy Machines is a leading provider of integrated energy systems that decarbonize heating and cooling while reducing operating costs for real estate owners, municipalities, and…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 8 | 58 contacts → | ||||
Indirect evidence “At Again we put CO₂ to good use.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 9 | 38 contacts → | ||||
Strong evidence “We want to be an industrial leader and technological innovator of reliable decarbonization plants supporting the restoration of climate.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 10 | 29 contacts → | ||||
Indirect evidence “Klimate is a full-service partner that enables companies to take real climate action with clarity, confidence, and control.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 11 | 25 contacts → | ||||
Indirect evidence “innovation #greenenergy #powertox #ptx #p2x #cleantech Second generation electrolysis Power-to-X solutions We are a boutique green energy innovation firm passionately accelerating…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 12 | 23 contacts → | ||||
Indirect evidence “CarbonCuts, established in 2022, is a Danish company with a license to explore the possibility of constructing and operating 'Project Ruby', a CO₂ storage facility near Rødby on…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 13 | 23 contacts → | ||||
Indirect evidence “Glentra Capital (‘Glentra’) was founded in 2022 by senior executives from the renewable energy and fund management industries (including Copenhagen Infrastructure Partners and…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 14 | 21 contacts → | ||||
Indirect evidence “The Novo Nordisk Foundation CO2 Research Center – CORC – is the world’s first interdisciplinary research center aimed at developing novel knowledge and technology that can be used…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 15 | 19 contacts → | ||||
Indirect evidence “Cool Sorption aims to be a global leader of providing solutions, to secure a world with low greenhouse gasses emissions.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 16 | 18 contacts → | ||||
Indirect evidence “Fremsyn er et selvstændigt konsulenthus med speciale i grøn forretningsudvikling og rådgivning inden for energi og transport.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 17 | 17 contacts → | ||||
Indirect evidence “Optimizing Waste-to-Energy Performance Worldwide.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 18 | 16 contacts → | ||||
Indirect evidence “As the world transitions towards a net-zero economy, Rejoose is committed to driving sustainable change through data-driven innovation.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 19 | 15 contacts → | ||||
Strong evidence “Nordic Waves Group is dedicated to accelerating decarbonization and the transition to a circular economy, with innovation, ingenuity, and collaboration.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 20 | 13 contacts → | ||||
Indirect evidence “Ambient Carbon is developing and commercializing technologies that reduce or eradicate greenhouse gases, both at point source and in the ambient air.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 21 | 12 contacts → | ||||
Indirect evidence “ESTECH A/S is an engineering and development company specializing in sustainable technologies.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 22 | 11 contacts → | ||||
Indirect evidence “Aaen Engineering er en rådgivende ingeniørvirksomhed med fokus på at implementere konkrete, målbare og mærkbare bæredygtighedsinitiativer i det byggede miljø.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 23 | 11 contacts → | ||||
Indirect evidence “We help forward-thinking companies calculate, reduce and offset their carbon emissions.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 24 | 11 contacts → | ||||
Indirect evidence “We a global business and sustainability consulting firm that exists to further the fight against climate change by transforming the energy systems of our globe.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 25 | 8 contacts → | ||||
Indirect evidence “Our main expertise is energy-system modelling and how to decarbonize.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: decarbonization companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names decarbonization companies.
- Partial evidence
- Its own public description names part of decarbonization companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name decarbonization companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 111 decarbonization companies based in Denmark
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 1,021 reachable decision-makers.
Free signup · no credit card
Decarbonization companies based in Denmark at a glance
As of Sep 15, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Denmark, so it is reported there. Company counts and contact totals on this page are exact for Denmark, over 111 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among decarbonization companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Denmark whose own description of what they do matches “decarbonization companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names decarbonization companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among decarbonization companies, and records with no verified work email. Companies headquartered outside Denmark are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 1,021 across the full list. 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 September 15, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names decarbonization companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many decarbonization companies are there based in Denmark?
RevenueBase identified 111 decarbonization companies headquartered in Denmark as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Danfoss Climate Solutions, headquartered in Nordborg, tops this list with the largest team on record.
Which city has the most decarbonization companies?
Copenhagen leads with 20 headquartered companies, followed by Aarhus Central (4) and Copenhagen Capital Of Denmark (4).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,021 verified decision-maker contacts tracked across these 111 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 15, 2026.
Ready to reach these companies? Verified emails and direct dials for all 111 decarbonization companies based in Denmark. Start with a free account, no credit card.
Download this list →Related lists
Decarbonization companies by geography
- Decarbonization companies based in Brisbane, Australia
- Decarbonization companies based in Melbourne, Australia
- Decarbonization companies based in Perth, Australia
- Decarbonization companies based in Sydney, Australia
- Decarbonization companies based in Belo Horizonte, Brazil
- Decarbonization companies based in Rio De Janeiro, Brazil
- Decarbonization companies based in Sao Paulo, Brazil
- Decarbonization companies based in Calgary, Canada
- Decarbonization companies based in Montreal, Canada
- Decarbonization companies based in Toronto, Canada
- Decarbonization companies based in Vancouver, Canada
- Decarbonization companies based in Bangalore, India
Browse the directory
Browse: Companies home · All Denmark lists · All Decarbonization companies lists · New lists
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 Smart Search, 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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Decarbonization companies based in Brisbane, Australia
- Decarbonization companies based in Melbourne, Australia
- Decarbonization companies based in Perth, Australia
- Decarbonization companies based in Sydney, Australia
- Decarbonization companies based in Belo Horizonte, Brazil
- Decarbonization companies based in Rio De Janeiro, Brazil