Company lists · Data refreshed October 2026

Top 25 Accounting firms for international nonprofits based in Switzerland

RevenueBase identified 136 company matches for accounting firms for international nonprofits associated with Switzerland as of October 2026 and tracks 774 professional contacts across them, including 286 with verified work emails. Zurich is the largest hub.

This list covers company matches for accounting firms for international nonprofits 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 October 1, 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 Oct 1, 2026 How this list was built
136Companies
774Contacts tracked
286Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest accounting firms for international nonprofits based in Switzerland

Ranked by team size
Top 25 of 136 company matches for accounting firms for international nonprofits based in Switzerland, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 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 match6302 Zug, SwitzerlandHQ recorded Oct 1, 202611-5028 contacts →

Exact match

“Our promise since 1962.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2Exact matchZug, SwitzerlandHQ recorded Oct 1, 202611-5027 contacts →

Exact match

“Unabhängig von der Grösse des Anliegens: Wir von Fineac klären mit Ihnen die genauen Bedürfnisse ab und entwickeln für Sie das beste Dienstleistungspaket – individuell und…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3Exact matchStadtkreis 8 Riesbach, SwitzerlandHQ recorded Oct 1, 202611-5020 contacts →

Exact match

“We have been acknowledged as an independent, flexible and trustworthy consulting firm since 1946.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4Exact matchLausanne, SwitzerlandHQ recorded Oct 1, 202611-5020 contacts →

Exact match

“Depuis plus de 30 années, Fidexaudit accompagne ses clients dans tous les domaines de la fiduciaire.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5Exact matchMartigny, SwitzerlandHQ recorded Oct 1, 202611-5019 contacts →

Exact match

“Notre fiduciaire-conseil est l’un des leaders de la branche dans sa région (Valais / Vaud).”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6Exact matchLiestal, SwitzerlandHQ recorded Oct 1, 202611-5014 contacts →

Exact match

“Die Duttweiler Treuhand AG ist Ihre Spezialistin für Buchführungen und Rechnungswesen, Ihre Expertin für Steuerberatungen, Wirtschaftsprüfungen, Unternehmensberatungen und…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7Exact matchZug, SwitzerlandHQ recorded Oct 1, 202611-5013 contacts →

Exact match

“Seit 1982 vertrauen nationale und internationale Gesellschaften und Privatpersonen in den Bereichen Steuern, Rechnungswesen, Unternehmensberatung und Wirtschaftsprüfung auf aidoo.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8Exact matchStans, SwitzerlandHQ recorded Oct 1, 202611-5012 contacts →

Exact match

“Wir denken neue Wege, Geben Zahlen Sinn und Klarheit.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9Exact matchSwitzerlandHQ recorded Oct 1, 202611-5012 contacts →

Exact match

“Fiduciaire indépendante, genevoise et familiale, active dans l'établissement et la révision des comptes, la fiscalité, les services, le conseil et la gestion, notre approche de…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10Exact matchCham, SwitzerlandHQ recorded Oct 1, 202611-5012 contacts →

Exact match

“Unser oberstes Ziel als Dienstleistungsunternehmen sind zufriedene und gut beratene Kunden.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11Exact matchZürich, SwitzerlandHQ recorded Oct 1, 202611-5011 contacts →

Exact match

“Lenz Treuhand AG is an accounting company based out of Seefeldstrasse 35, Zürich, Canton of Zurich, Switzerland.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12Exact matchStadtkreis 3 Wiedikon, SwitzerlandHQ recorded Oct 1, 202611-5010 contacts →

Exact match

“Ostschweizerische Treuhand Zürich AG, short OTG, has been in business since 1918 as an accredited audit firm conducting full and limited audits.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13Exact matchGeneva, SwitzerlandHQ recorded Oct 1, 202611-5010 contacts →

Exact match

“Dryden ICS SA is an international firm of Chartered Accountants based in Geneva and London.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14Exact matchLyss, SwitzerlandHQ recorded Oct 1, 202611-5010 contacts →

Exact match

“Immer mehr Banken bieten für Kleinunternehmen und Startups integrierte webbasierte Buchhaltungs- und Auftragssoftware an.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15Exact matchZofingen, SwitzerlandHQ recorded Oct 1, 202611-509 contacts →

Exact match

“We are independent auditors, tax advisors and accountants.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16Exact matchZürich, SwitzerlandHQ recorded Oct 1, 202611-509 contacts →

Exact match

“CONTROVA AG was founded in 2004 in Zug as BCS Audit AG and renamed CONTROVA AG in 2012.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17Exact matchMorrens, SwitzerlandHQ recorded Oct 1, 202611-509 contacts →

Exact match

“Une fiduciaire à visage humain La Fiduciaire Staehli, c’est avant tout une écoute et une gamme de services personnalisés pour répondre efficacement à vos soucis administratifs.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18Exact matchBaden, SwitzerlandHQ recorded Oct 1, 202611-508 contacts →

Exact match

“We have over fourty years experience in the fields of auditing, tax consulting, aspects of accounting services and management consultancy.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19Exact matchLuzern, SwitzerlandHQ recorded Oct 1, 20261-107 contacts →

Exact match

“Die Lufida-Revision stellt Unternehmen aus allen Branchen ihre Dienstleistungen als unabhängiges und flexibles Wirtschaftsprüfungs- und Beratungsunternehmen zur Verfügung.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20Exact matchBern, SwitzerlandHQ recorded Oct 1, 202611-507 contacts →

Exact match

“Accounting/Audit/Tax Advice/Management Consultancy”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21Exact matchFribourg, SwitzerlandHQ recorded Oct 1, 202611-507 contacts →

Exact match

“Comptabilité | Révision | Fiscalité | Administration | Conseils | Salaires | Création d'entreprise”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22Exact matchZug, SwitzerlandHQ recorded Oct 1, 20261-107 contacts →

Exact match

“Tax Consultancy We consult and guide companies sector-independent in national and international corporate tax law (corporate profit tax, tax on capital, withholding tax, stamp…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23Exact matchGeneva, SwitzerlandHQ recorded Oct 1, 202611-507 contacts →

Exact match

“La Fiduciaire de Rive SA est implantée à Genève depuis 1957, au cœur de la Ville, dans le quartier historique des Rues-Basses.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24Exact matchLausanne, SwitzerlandHQ recorded Oct 1, 20261-107 contacts →

Exact match

“The mission of ATCA is to provide our clients with excellent accounting, tax, financial analysis, business consulting, internal control and audit services.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25Exact matchBasel, SwitzerlandHQ recorded Oct 1, 20261-107 contacts →

Exact match

“Firmen im nationalen oder internationalen Umfeld in den Bereichen Buchführung, Personalführung, Firmengründungen & Start-ups, Fiskalvertretung, Immobilien, Unternehmensberatung…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase

Showing 25 of 136 accounting firms for international nonprofits based in Switzerland

See the full list, filter by size, metro and specialty, and access 286 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Accounting firms for international nonprofits based in Switzerland at a glance

As of Oct 1, 2026
37.0%Verified-email coverage
5.7Average contacts per company
1-10Median size (employees)
14.0%Largest-city concentration · Zurich
Oct 1, 2026Page data refreshed

Companies by employee count

1-10
91
11-50
42
51-200
1

Email recency for this list is measured worldwide rather than for Switzerland, so it is reported there. Company counts and contact totals on this page are exact for Switzerland, over 136 companies.

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 “accounting firms for international nonprofits” 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 286 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 October 1, 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 “accounting firms for international nonprofits”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many accounting firms for international nonprofits are there based in Switzerland?

RevenueBase identified 136 company matches for accounting firms for international nonprofits associated with Switzerland as of October 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?

Buchhaltungs UND Revisions AG tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most accounting firms for international nonprofits?

Zurich leads with 19 company records, followed by Geneva (17) and Zug (10).

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 286 professional contacts with verified work emails tracked across these 136 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 October 1, 2026.

Ready to reach these companies? Verified emails and direct dials for all 136 accounting firms for international nonprofits based in Switzerland. Start with a free account, no credit card.

Download this list →

Related 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 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.