Company lists · Data refreshed September 2026

Top 25 Environmental consultancy firms based in Switzerland

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

Compiled by the RevenueBase Data Team Data refreshed Sep 2, 2026 283 companies tracked

RevenueBase identified 283 company matches for environmental consultancy firms associated with Switzerland as of September 2026 and tracks 3,226 professional contacts across them, including 1,248 with verified work emails and 105 with mobile numbers. Zurich is the largest hub.

This list covers company matches for environmental consultancy firms associated with Switzerland, 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 September 2, 2026.

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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 2, 2026 How this list was built

283Companies

3,226Contacts tracked

1,248Verified emails

105Mobile numbers

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest environmental consultancy firms based in Switzerland

Ranked by team size

Top 25 of 283 company matches for environmental consultancy firms based in Switzerland, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 2, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	EBP Schweiz	Exact match	Zurich, Switzerland	201-500	370 contacts →
	Exact match “As an international consulting and engineering company, we stand out by our combined excellence to deliver forward-thinking solutions for our clients' most complex challenges.” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
2	Quantis	Exact match	Lausanne, Switzerland	201-500	332 contacts →
	Exact match “Quantis, part of BCG, is a sustainability consulting firm that helps organizations translate sustainability ambition into measurable business value.” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
3	Holinger	Exact match	Liestal Basel, Switzerland	501-1,000	264 contacts →
	Exact match “For over 90 years, HOLINGER has been solving engineering and scientific tasks in various specialist areas related to the water cycle.” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
4	Jauslin Stebler AG	Exact match	Zurich, Switzerland	51-200	108 contacts →
	Exact match “Die komplexen Rahmenbedingungen erfordern eine ganzheitliche Sicht der Probleme, kreative Prozesse und eine entsprechend eingespielte Organisation.” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
5	Fichtner Management Consulting	Exact match	Dubendorf, Switzerland	51-200	88 contacts →
	Exact match “Transformation, strategy, management and economics – FMC advises companies and investors in the energy and water industry and related sectors.” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
6	ENG In Technologies	Exact match	Geneva, Switzerland	51-200	87 contacts →
	Exact match “Welcome to ’, where innovation meets human commitment.” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
7	Gartenmann Engineering AG	Exact match	Zurich, Switzerland	51-200	72 contacts →
	Exact match “Wir sind ein Team von Spezialingenieuren/innen und Berater/innen.” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
8	Econetta	Exact match	Schlieren, Switzerland	51-200	56 contacts →
	Exact match “Econetta ist ein führendes Schweizer Umweltberatungsunternehmen.” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
9	Ecosens AG	Exact match	Wallisellen, Switzerland	51-200	41 contacts →
	Exact match “Langjährige Erfahrung und Nähe zu aktuellen Entwicklungen in sämtlichen umweltrelevanten Fragestellungen machen Ecosens zum führenden Beratungsunternehmen.” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
10	Prona Romandie SA	Exact match	Fribourg, Switzerland	11-50	37 contacts →
	Exact match “Prona Romandie SA provides environmental engineering and health and safety services.” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
11	Jäckli Geologie AG	Exact match	Zurich, Switzerland	51-200	36 contacts →
	Exact match “Die Jäckli Geologie AG ist ein eigenständiges Schweizer Beratungsunternehmen mit verschiedenen Standorten in der Nord- und Zentralschweiz.” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
12	Ecotec Environnement SA	Exact match	Geneva, Switzerland	11-50	33 contacts →
	Exact match “ECOTEC Environnement SA is a renewables and environment company based out of Rue Francois-Ruchon 3, Geneve, Geneve, Switzerland.” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
13	HSE Conseils SA	Exact match	Gland, Switzerland	11-50	31 contacts →
	Exact match “Nous accompagnons les acteurs de la construction et de l’immobilier dans la gestion des polluants, la sécurité et la préservation de l’environnement.” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
14	Friedlipartner AG	Exact match	Buchrain, Switzerland	11-50	27 contacts →
	Exact match “Wir beraten seit 1974 Bauherren und Planer in allen Fragen rund um den Baugrund.” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
15	Emch Berger WSB AG	Exact match	Emmenbrucke, Switzerland	51-200	27 contacts →
	Exact match “Die Emch+Berger WSB AG ist ein Unternehmen der 1953 gegründeten Emch+Berger Gruppe.” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
16	PEG	Exact match	Lancy, Switzerland	51-200	25 contacts →
	Exact match “PEG is an Independent Engineering Consultant specializing in Cement, Environment and Infrastructure projects.” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
17	Cement Engineering SA Cesa	Exact match	Carouge, Switzerland	11-50	24 contacts →
	Exact match “Cement Engineering SA (CESA) Engineering is a professionals business!” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
18	Sieber Cassina Partner AG	Exact match	Winterthur, Switzerland	11-50	23 contacts →
	Exact match “Unsere Dienstleistungen stehen oft im Spannungsfeld von Nutzungs- und Schutzinteressen.” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
19	Bachema AG	Exact match	Schlieren, Switzerland	51-200	22 contacts →
	Exact match “Wir bieten schnelle, verlässliche und unabhängige Umweltanalytik auf hohem technisch-wissenschaftlichem Niveau an, damit Sie fundierte Entscheidungen treffen und ihre Kunden…” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
20	Prona AG	Exact match	Switzerland	11-50	21 contacts →
	Exact match “As a full-service provider in the engineering sector, we have been creating added value in all aspects of environmental protection, occupational safety and building physics for…” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
21	Anthesis Switzerland	Exact match	Geneva, Switzerland	51-200	20 contacts →
	Exact match “Anthesis is the sustainability activator.” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
22	WSP Suisse AG	Exact match	Luzern, Switzerland	201-500	18 contacts →
	Exact match “Seit über 130 Jahren wächst WSP kontinuierlich und ist heute auf der ganzen Welt vertreten.” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
23	Ingenias AG	Exact match	St. Gallen, Switzerland	11-50	18 contacts →
	Exact match “Ingenias ist Ihr Umwelt-Ingenieurbüro für anspruchsvolle Aufgaben in den Bereichen Umwelt, Wasser und Geologie.” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
24	Natura Biologie Appliquée SA	Exact match	Oron-La-Ville, Switzerland	11-50	16 contacts →
	Exact match “Ingénierie de l’environnement du diagnostic à la réalisation” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
25	Blossom ET Partenaires	Exact match	Geneva, Switzerland	11-50	16 contacts →
	Exact match “Blossom et partenaires is a consultancy firm specializing in sustainability and responsible communication.” Recorded in the RevenueBase company graph · Sep 2, 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 “environmental consultancy firms”. 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 283 environmental consultancy firms based in Switzerland

See the full list, filter by size, metro and specialty, and access 1,248 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Environmental consultancy firms based in Switzerland at a glance

As of Sep 2, 2026

38.7%Verified-email coverage

3.3%Mobile-number coverage

11.4Average contacts per company

1-10Median size (employees)

8.1%Largest-city concentration · Zurich

Sep 2, 2026Page data refreshed

Companies by employee count

1-10

191

11-50

51-200

201-500

501-1,000

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.
What qualifies: Company records associated with Switzerland whose business descriptions match “environmental consultancy firms” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 1,248 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 September 2, 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.

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 “environmental consultancy firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many environmental consultancy firms are there based in Switzerland?

RevenueBase identified 283 company matches for environmental consultancy firms associated with Switzerland as of September 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?

EBP Schweiz tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most environmental consultancy firms?

Zurich leads with 23 company records, followed by Geneva (18) and Lausanne (12).

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 1,248 professional contacts with verified work emails tracked across these 283 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 September 2, 2026.

Ready to reach these companies? Verified emails and direct dials for all 283 environmental consultancy firms based in Switzerland. Start with a free account, no credit card.

Download this list →

Related lists

Environmental consultancy firms by geography

Browse the directory

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.