Company lists · Data refreshed September 2026

Top 25 Accounting firms for financial institutions based in Switzerland

RevenueBase identified 176 company matches for accounting firms for financial institutions associated with Switzerland as of September 2026 and tracks 2,076 professional contacts across them, including 1,129 with verified work emails. Zurich is the largest hub.

This list covers company matches for accounting firms for financial institutions 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 27, 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 27, 2026 How this list was built
176Companies
2,076Contacts tracked
1,129Verified emails
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The 25 largest accounting firms for financial institutions based in Switzerland

Ranked by team size
Top 25 of 176 company matches for accounting firms for financial institutions based in Switzerland, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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 matchZürich, SwitzerlandHQ recorded Sep 27, 20261,001-5,0001,090 contacts →

Exact match

“BDO is one of the leading audit, accounting and consulting firms in Switzerland.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2Exact matchRomanshorn, SwitzerlandHQ recorded Sep 27, 202651-20026 contacts →

Exact match

“Provida covers the full range of auditing, consulting, tax & law and trust services.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3Exact matchAarau, SwitzerlandHQ recorded Sep 27, 202611-5022 contacts →

Exact match

“Ob für Unternehmen, Gemeinden oder Private: Wir sichern Ihre wirtschaftlich erfolgreiche Entwicklung.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4Exact matchBasel, SwitzerlandHQ recorded Sep 27, 202611-5022 contacts →

Exact match

“Ganz persönlich und alles aus einer Hand: Treuhand, Steuern, Wirtschaftsprüfung und Unternehmensberatung.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5Exact matchCham, SwitzerlandHQ recorded Sep 27, 202611-5021 contacts →

Exact match

“Highly qualified for tailor-made service”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6Exact matchStadtkreis 8 Riesbach, SwitzerlandHQ recorded Sep 27, 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 · Sep 27, 2026 · View company records in RevenueBase
7Exact matchLausanne, SwitzerlandHQ recorded Sep 27, 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 · Sep 27, 2026 · View company records in RevenueBase
8Exact matchAarau, SwitzerlandHQ recorded Sep 27, 202611-5019 contacts →

Exact match

“thv AG is an Accounting company located in Ziegelrain 29, Zeiningen, Switzerland.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchChur, SwitzerlandHQ recorded Sep 27, 202611-5018 contacts →

Exact match

“Wir sind ein unabhängiges Bündner Unternehmen mit Tradition für Treuhand, Steuer- Prüfungs- und Immobiliendienstleistungen, gegründet 1948.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10Exact matchWinterthur, SwitzerlandHQ recorded Sep 27, 202611-5017 contacts →

Exact match

“Consultive ist Ihr KMU Partner für Revision, Treuhand und Unternehmensberatung in Winterthur.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11Exact matchLangenthal, SwitzerlandHQ recorded Sep 27, 202611-5017 contacts →

Exact match

“Gfeller + Partner AG ist ein mittelständisches Dienstleistungsunternehmen, welches Wirtschaftsprüfungs, Steuer- und Beratungsdienstleistungen anbietet.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12Exact matchLiestal, SwitzerlandHQ recorded Sep 27, 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 · Sep 27, 2026 · View company records in RevenueBase
13Exact matchBiel/bienne, SwitzerlandHQ recorded Sep 27, 202611-5014 contacts →

Exact match

“Wir sind seit über 100 Jahren in den Bereichen Treuhand, Wirtschaftsprüfung, Unternehmens- und Steuerberatung tätig.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14Exact matchFrauenfeld, SwitzerlandHQ recorded Sep 27, 202611-5013 contacts →

Exact match

“In einer partnerschaftlichen Zusammenarbeit begleiten wir Sie in den Bereichen Treuhand, Wirtschaftsprüfung und Steuerberatung.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15Exact matchChur, SwitzerlandHQ recorded Sep 27, 202611-5013 contacts →

Exact match

“Treuhand (Rechnungswesen, Abschlusserstellung, Steuern)- Wirtschaftsprüfung (Abschlussprüfung, spezialgesetzliche Prüfung, Unternehmensberatung)- Immobilien…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16Exact matchStans, SwitzerlandHQ recorded Sep 27, 202611-5012 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchSwitzerlandHQ recorded Sep 27, 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 · Sep 27, 2026 · View company records in RevenueBase
18Exact matchCham, SwitzerlandHQ recorded Sep 27, 202611-5012 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19Exact matchZürich, SwitzerlandHQ recorded Sep 27, 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 · Sep 27, 2026 · View company records in RevenueBase
20Exact matchStadtkreis 3 Wiedikon, SwitzerlandHQ recorded Sep 27, 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 · Sep 27, 2026 · View company records in RevenueBase
21Exact matchLyss, SwitzerlandHQ recorded Sep 27, 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 · Sep 27, 2026 · View company records in RevenueBase
22Exact matchZofingen, SwitzerlandHQ recorded Sep 27, 202611-509 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23Exact matchBasel, SwitzerlandHQ recorded Sep 27, 202611-509 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24Exact matchZürich, SwitzerlandHQ recorded Sep 27, 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 · Sep 27, 2026 · View company records in RevenueBase
25Exact matchMorrens, SwitzerlandHQ recorded Sep 27, 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 · Sep 27, 2026 · View company records in RevenueBase

Showing 25 of 176 accounting firms for financial institutions based in Switzerland

See the full list, filter by size, metro and specialty, and access 1,129 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Accounting firms for financial institutions based in Switzerland at a glance

As of Sep 27, 2026
54.4%Verified-email coverage
11.8Average contacts per company
1-10Median size (employees)
6.2%Largest-city concentration · Zurich
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
123
11-50
48
51-200
2
1,001-5,000
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 176 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 financial institutions” 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 1,129 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 27, 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 financial institutions”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many accounting firms for financial institutions are there based in Switzerland?

RevenueBase identified 176 company matches for accounting firms for financial institutions 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?

BDO Switzerland 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 financial institutions?

Zurich leads with 11 company records, followed by Zug (10) and Geneva (9).

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 1,129 professional contacts with verified work emails tracked across these 176 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 27, 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.