Company lists · Data refreshed September 2026

Top 25 Sustainable IT consulting firms based in Switzerland

RevenueBase identified 283 company matches for sustainable IT consulting firms associated with Switzerland as of September 2026 and tracks 1,807 professional contacts across them, including 637 with verified work emails and 113 with mobile numbers. Zurich is the largest hub.

This list covers company matches for sustainable IT consulting 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 6, 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 6, 2026 How this list was built
283Companies
1,807Contacts tracked
637Verified emails
113Mobile numbers
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The 25 largest sustainable IT consulting firms based in Switzerland

Ranked by team size
Top 25 of 283 company matches for sustainable IT consulting firms based in Switzerland, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 6, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLausanne, SwitzerlandHQ recorded Sep 6, 2026201-500325 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 6, 2026 · View company records in RevenueBase
2Exact matchZurich, SwitzerlandHQ recorded Sep 6, 202651-20065 contacts →

Exact match

“Intep ist eine interdisziplinäre Beratungs- und Forschungsunternehmung für Umwelt, Wirtschaft und Gesellschaft.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
3Exact matchCarouge, SwitzerlandHQ recorded Sep 6, 202651-20063 contacts →

Exact match

“At Darwin, our entrepreneurial vision drives us to constantly adapt in order to offer the best solutions.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
4Exact matchZurich, SwitzerlandHQ recorded Sep 6, 202651-20060 contacts →

Exact match

“INFRAS has been doing research and consulting focused on sustainable development since 1976.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
5Exact matchSt Gallen, SwitzerlandHQ recorded Sep 6, 202651-20047 contacts →

Exact match

“Student Impact is the student-led consultancy specializing in sustainable business at the University of St.Gallen.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
6Exact matchStadtkreis 1 Altstadt, SwitzerlandHQ recorded Sep 6, 202611-5044 contacts →

Exact match

“Strategia Partners is a strategy consulting specialist which supports its clients to define & implement sustainable long-term growth strategies.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
7Exact matchZürich, SwitzerlandHQ recorded Sep 6, 202651-20040 contacts →

Exact match

“We’re here to help you grow, adapt, and innovate.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
8Exact matchZürich, SwitzerlandHQ recorded Sep 6, 202611-5034 contacts →

Exact match

“Everything we do is designed to inspire meaningful change in the world every day.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
9Exact matchLausanne, SwitzerlandHQ recorded Sep 6, 202611-5025 contacts →

Exact match

“IDEE21 est un bureau spécialisé dans la conception et la mise en œuvre de stratégies participatives au service du développement durable.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
10Exact matchGeneva, SwitzerlandHQ recorded Sep 6, 202651-20021 contacts →

Exact match

“Anthesis is the sustainability activator.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
11Exact matchBasel, SwitzerlandHQ recorded Sep 6, 202611-5021 contacts →

Exact match

“Carbotech Inc.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
12Exact matchGeneva, SwitzerlandHQ recorded Sep 6, 202611-5018 contacts →

Exact match

“Blossom et partenaires is a consultancy firm specializing in sustainability and responsible communication.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
13Exact matchLausanne, SwitzerlandHQ recorded Sep 6, 20261-1016 contacts →

Exact match

“bloomUp is a global consultancy at the forefront of sustainability, innovation and active living.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
14Exact matchNeuchâtel, SwitzerlandHQ recorded Sep 6, 20261-1016 contacts →

Exact match

“DID YOU KNOW?”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
15Exact matchThun, SwitzerlandHQ recorded Sep 6, 202651-20015 contacts →

Exact match

“Aber ebenso viel mit harten Kalkulationen, Energiemanagement, mit Wissen, was zu tun ist.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
16Exact matchBern, SwitzerlandHQ recorded Sep 6, 202611-5012 contacts →

Exact match

“seecon gmbh Innovations for Sustainable Development - Zukunftsprojekte in der Schweiz, in Europa sowie in den Ländern des Südens und Ostens.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
17Exact matchZürich, SwitzerlandHQ recorded Sep 6, 202611-5011 contacts →

Exact match

“EcoLogic Ltd.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
18Exact matchVevey, SwitzerlandHQ recorded Sep 6, 20261-1010 contacts →

Exact match

“Depuis 1986, Bio-Éco fait rimer qualité de vie et développement durable, avec des projets sur mesure, allant dans le sens de l’ouverture et du changement.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
19Exact matchAesch, SwitzerlandHQ recorded Sep 6, 20261-1010 contacts →

Exact match

“Trutmann Informatik operiert als kompatible und reibungslos funktionierende Schnittstelle zwischen Ihnen und Ihrer IT-Lösung.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
20Exact matchGland, SwitzerlandHQ recorded Sep 6, 202611-5010 contacts →

Exact match

“e-Durable is your local Information Technology supplier placing sustainable development at the heart of its activities.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
21Exact matchBasel, SwitzerlandHQ recorded Sep 6, 202611-509 contacts →

Exact match

“ENCO Energie-Consulting AG ist als Beratungsunternehmen für die Umsetzung einer nachhaltigen Energieversorgung tätig.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
22Exact matchNeuchâtel, SwitzerlandHQ recorded Sep 6, 20261-109 contacts →

Exact match

“Digital is critical infrastructure.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
23Exact matchWinterthur, SwitzerlandHQ recorded Sep 6, 202611-508 contacts →

Exact match

“Die Denkgebäude AG wurde im April 2013 von fünf gleichberechtigten Partnern gegründet.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
24Exact matchSissach, SwitzerlandHQ recorded Sep 6, 202611-508 contacts →

Exact match

“Ökologie und Ökonomie Wir fühlen uns dem nachhaltigen Umgang mit den Ressourcen verpflichtet.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
25Exact matchVolketswil, SwitzerlandHQ recorded Sep 6, 20261-108 contacts →

Exact match

“carbon-connect AG is a leading provider of climate protection, sustainability consulting and carbon offsetting solutions.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase

Showing 25 of 283 sustainable IT consulting firms based in Switzerland

See the full list, filter by size, metro and specialty, and access 637 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Sustainable IT consulting firms based in Switzerland at a glance

As of Sep 6, 2026
35.3%Verified-email coverage
6.3%Mobile-number coverage
6.4Average contacts per company
1-10Median size (employees)
17.0%Largest-city concentration · Zurich
Sep 6, 2026Page data refreshed

Companies by employee count

1-10
225
11-50
40
51-200
14
201-500
2

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

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 “sustainable IT consulting 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 637 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 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.

Sustainable IT consulting firms by metro

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

How many sustainable IT consulting firms are there based in Switzerland?

RevenueBase identified 283 company matches for sustainable IT consulting 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?

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

Which city has the most sustainable IT consulting firms?

Zurich leads with 48 company records, followed by Geneva (26) and Lausanne (18).

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 637 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 6, 2026.

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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.