Company lists · Data verified August 2026

Top 25 Climate change consulting firms based in Switzerland

Name: Climate change consulting firms based in Switzerland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 286 companies tracked

There are 286 climate change consulting firms headquartered in Switzerland (RevenueBase, August 2026). RevenueBase tracks 2,810 professional contacts across them, including 1,425 with verified work emails and 143 with mobile numbers. Zurich is the largest hub.

This list covers climate change consulting 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.

286Companies

2,810Contacts tracked

1,425Verified emails

143Mobile numbers

Unlock all 286 companies Free account · no credit card · 2 minutes

The 25 largest climate change consulting firms based in Switzerland

Ranked by team size

Top 25 of 286 climate change consulting 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	Jauslin Stebler AG	Zurich	51-200	108	8
5	Infras	Bern	51-200	61	35
6	Ecosens AG	Wallisellen	51-200	41	31
7	Waldhauser Hermann AG	Munchenstein	51-200	31	19
8	Idee 21	Lausanne	11-50	25	1
9	Vema S.A. Vema Carbon	Fribourg	11-50	23	2
10	Carbotech AG	n/a	11-50	21	5
11	Anthesis Switzerland	Geneva	51-200	20	13
12	Econcept AG	Zurich	11-50	20	11
13	BHP Brugger And Partners LTD	Zurich	11-50	19	10
14	SB Technique SA	Geneve	11-50	18	10
15	WSP Suisse AG	Luzern	201-500	18	9
16	Climada Technologies	Zurich	1-10	17	11
17	BSS Volkswirtschaftliche Beratung	Basel	11-50	17	8
18	Adolf Krebs AG	Grund Bei Gstaad	51-200	16	6
19	Blossom ET Partenaires	Geneve	11-50	16	4
20	Drosera Ecologie Appliquée SA	Sion	11-50	14	8
21	Ipso ECO AG	Rothenburg	11-50	12	9
22	Bureau D'études Impact SA	Martigny	11-50	12	7
23	Ecoscan SA	Chavannes	11-50	11	2
24	Idealp SA	Sion	11-50	10	5
25	Clarmondial	Zurich	1-10	10	5

Showing 25 of 286 climate change consulting firms based in Switzerland

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 1,425 reachable decision-makers.

Free account · no credit card

See all 286 companies

Climate change consulting firms based in Switzerland at a glance

As of Aug 28, 2026

1-10Median size (employees)

ZurichLargest hub · 44 HQs

143Contacts with mobile numbers

12Emails re-verified in last 30 days

Companies by employee count

1-10

238

11-50

51-200

201-500

501-1,000

Climate change consulting firms by metro

Metro	Companies
Climate change consulting firms in Zurich	44
Climate change consulting firms in Geneva	28
Climate change consulting firms in Lausanne	20
Climate change consulting firms in Basel	11
Climate change consulting firms in Bern	7
Climate change consulting firms in Geneve	7
Climate change consulting firms in Lugano	5

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 “climate change consulting 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 climate change consulting firms are there based in Switzerland?

There are 286 climate change consulting 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 climate change consulting firms?

Zurich leads with 44 headquartered companies, followed by Geneva (28) and Lausanne (20).

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 1,425 verified decision-maker contacts tracked across these 286 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.

Ready to reach these companies? Verified emails and direct dials for all 286 climate change consulting firms based in Switzerland. Start with a free account, no credit card.

Get the full list

Related lists

Climate change consulting firms by geography

Browse the directory

Browse: Companies home · All Switzerland lists · All Climate change consulting firms lists · New lists

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.