Company lists · Data verified August 2026

Top 25 Carbon accounting firms based in Switzerland

Name: Carbon accounting firms based in Switzerland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 110 companies tracked

There are 110 carbon accounting firms headquartered in Switzerland (RevenueBase, August 2026). RevenueBase tracks 2,063 professional contacts across them, including 1,144 with verified work emails and 133 with mobile numbers. Zurich is the largest hub.

This list covers carbon accounting firms headquartered in Switzerland, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

110Companies

2,063Contacts tracked

1,144Verified emails

133Mobile numbers

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The 25 largest carbon accounting firms based in Switzerland

Ranked by team size

Top 25 of 110 carbon accounting firms based in Switzerland, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	South Pole	Zurich	501-1,000	802	537
2	Climatepartner	Zurich	501-1,000	374	285
3	Quantis	Lausanne	201-500	332	187
4	Vema S.A. Vema Carbon	Fribourg	11-50	23	2
5	Carbotech AG	n/a	11-50	21	5
6	Anthesis Switzerland	Geneva	51-200	20	13
7	EA	Lausanne	11-50	16	12
8	Blossom ET Partenaires	Geneve	11-50	16	4
9	Ipso ECO AG	Rothenburg	11-50	12	9
10	Bureau D'études Impact SA	Martigny	11-50	12	7
11	Ecospeed	Wallisellen	11-50	11	5
12	Suco Gmbh	Berne	1-10	8	6
13	Carbon-Connect AG	Volketswil	1-10	8	4
14	Positive Organizations	Lugano	1-10	7	3
15	Energies Group	Zug	11-50	6	4
16	Sergio Dias Consulting	Schaffhausen	1-10	5	2
17	EOS Social Responsibility Solutions	Canobbio	1-10	5	2
18	Terramo	Buchs Sg	1-10	4	2
19	Green Circle Sàrl	Meyrin	1-10	4	2
20	Henovia SA	Lausanne	1-10	4	1
21	Ambi Group	Lugano	1-10	4	1
22	Sinovis AG	Binningen	1-10	3	3
23	Zelsius	n/a	1-10	3	1
24	Greentexconsulting	Lugano	1-10	2	2
25	Punkt Rufer AG	Bern	1-10	2	2

Showing 25 of 110 carbon accounting firms based in Switzerland

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Carbon accounting firms based in Switzerland at a glance

As of Aug 28, 2026

1-10Median size (employees)

ZurichLargest hub · 18 HQs

133Contacts with mobile numbers

12Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

Carbon accounting firms by metro

Metro	Companies
Carbon accounting firms in Zurich	18
Carbon accounting firms in Geneva	8
Carbon accounting firms in Lausanne	7
Carbon accounting firms in Zug	5
Carbon accounting firms in Lugano	4
Carbon accounting firms in Geneve	3
Carbon accounting firms in Schaffhausen	2

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “carbon accounting firms”, with match quality audited by blind human judging, and headquartered in Switzerland.
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: Contact records re-verify on a rolling cadence; 12 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many carbon accounting firms are there based in Switzerland?

There are 110 carbon accounting firms headquartered in Switzerland as of August 2026 (RevenueBase).

What is the largest company on this list?

South Pole, headquartered in Zurich, tops this list with the largest team on record.

Which city has the most carbon accounting firms?

Zurich leads with 18 headquartered companies, followed by Geneva (8) and Lausanne (7).

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 1,144 verified decision-maker contacts tracked across these 110 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.