Company lists · Data refreshed September 2026

Top 25 Outsourced trust accounting firms based in Switzerland

RevenueBase identified 145 company matches for outsourced trust accounting firms associated with Switzerland as of September 2026 and tracks 464 professional contacts across them, including 183 with verified work emails. Zurich is the largest hub.

This list covers company matches for outsourced trust accounting 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 21, 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 21, 2026 How this list was built
145Companies
464Contacts tracked
183Verified emails
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The 25 largest outsourced trust accounting firms based in Switzerland

Ranked by team size
Top 25 of 145 company matches for outsourced trust accounting firms based in Switzerland, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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 matchBassersdorf, SwitzerlandHQ recorded Sep 21, 202611-5015 contacts →

Exact match

“renius treuhand ag – die persönliche Treuhand-Boutique mit umfassender Erfahrung.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2Exact matchIttigen, SwitzerlandHQ recorded Sep 21, 202611-5014 contacts →

Exact match

“Die apo treuhand ag mit Sitz in Ittigen bei Bern ist ein unabhängiges Treuhandunternehmen, das Apotheken und andere Firmen im Treuhandbereich unterstützt.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3Exact matchUster, SwitzerlandHQ recorded Sep 21, 202611-5010 contacts →

Exact match

“We gain INSIGHT into your current situation, as we maintain an OVERVIEW and work to promote your long-term financial OUTLOOK.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchWallisellen, SwitzerlandHQ recorded Sep 21, 202611-509 contacts →

Exact match

“Seit 2013 begleiten wir als Treuhänder ein vielfältiges Portfolio von Unternehmen durch alle Phasen des Unternehmertums – von der Gründung bis zur Nachfolgeplanung.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchKriens, SwitzerlandHQ recorded Sep 21, 202611-508 contacts →

Exact match

“Die Herzog AG ist eine anerkannte und qualifizierte Treuhandunternehmen, welche professionelle Dienstleistungen in den Bereichen Treuhand, Wirtschaftsberatung und -prüfung, Recht…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact matchGümligen, SwitzerlandHQ recorded Sep 21, 20261-108 contacts →

Exact match

“Unser Erfahrungsschatz in der Treuhandbranche ist aussergewöhnlich.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchLugano, SwitzerlandHQ recorded Sep 21, 202651-2008 contacts →

Exact match

“FidGen is an independent provider established to deliver first class fiduciary, trust, corporate, compliance, accounting and fund services to clients worldwide.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchZurich, SwitzerlandHQ recorded Sep 21, 20261-107 contacts →

Exact match

“Lei Treuhand - Din Treuhänder Mit unserer langjährigen Erfahrung in diversen Branchen stehen wir Dir mit Rat und Tat zur Seite.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact matchHerisau, SwitzerlandHQ recorded Sep 21, 202611-507 contacts →

Exact match

“Experten, denen Sie vertrauen können.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchGeneva, SwitzerlandHQ recorded Sep 21, 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 · Sep 21, 2026 · View company records in RevenueBase
11Exact matchZurich, SwitzerlandHQ recorded Sep 21, 20261-107 contacts →

Exact match

“Treuhand neu gedacht.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchSankt Gallen, SwitzerlandHQ recorded Sep 21, 202611-507 contacts →

Exact match

“Die Inspecta Revision AG ist ein etabliertes Treuhand- und Beratungsunternehmen mit Standort in St.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchChâtel-saint-denis, SwitzerlandHQ recorded Sep 21, 20261-106 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchZurich, SwitzerlandHQ recorded Sep 21, 20261-106 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchSchaffhausen, SwitzerlandHQ recorded Sep 21, 20261-106 contacts →

Exact match

“Wir sind eine in der Region Schaffhausen verankerte und bestens etablierte Treuhandgesellschaft mit 10 Mitarbeitenden.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchZurich, SwitzerlandHQ recorded Sep 21, 202611-506 contacts →

Exact match

“Revinova Treuhand AG (Revinova) proposes a niche financial management and reporting service for Family Offices and Trusts that is tailored to the complex and unique needs of the…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchLenzburg, SwitzerlandHQ recorded Sep 21, 202611-505 contacts →

Exact match

“Die Zehnder Treuhand AG ist ein in der Region stark verankertes Treuhandunternehmen aus Lenzburg im Aargau.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchZurich, SwitzerlandHQ recorded Sep 21, 20261-105 contacts →

Exact match

“Wir sind ein Treuhandbüro in Zürich Oerlikon.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchEchallens, SwitzerlandHQ recorded Sep 21, 20261-105 contacts →

Exact match

“La direction de DFG Fiduciaire SA se compose de trois collaborateurs associés et dotée des plus hautes compétences (trois experts fiduciaires diplômés, deux experts fiscaux…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchSolothurn, SwitzerlandHQ recorded Sep 21, 20261-105 contacts →

Exact match

“Als etabliertes Treuhandunternehmen erbringt Bargetzi Treuhand seit über 30 Jahren Dienstleistungen in folgenden Bereichen- Führen von Buchhaltungen und Abschlussberatungen -…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21Exact matchGampel, SwitzerlandHQ recorded Sep 21, 20261-105 contacts →

Exact match

“Wir bieten Treuhand aus einer Hand an.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchDübendorf, SwitzerlandHQ recorded Sep 21, 20261-105 contacts →

Exact match

“BusinessTreuhand AG is an accounting company based out of Bahnhofstrasse 60, Dübendorf, Canton of Zurich, Switzerland.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchBaar, SwitzerlandHQ recorded Sep 21, 20261-105 contacts →

Exact match

“Vertex Treuhand AG is a company based out of ZUGERSTRASSE 32, Baar, Zug, Switzerland.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchSchaffhausen, SwitzerlandHQ recorded Sep 21, 20261-105 contacts →

Exact match

“Ob Finanz- und Rechnungswesen, Unternehmensberatung, Steuerberatung, Wirtschaftsprüfung oder Verwaltung – für alle Arten von nationalen und internationalen Treuhandfragen sind wir…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchAppenzell, SwitzerlandHQ recorded Sep 21, 20261-105 contacts →

Exact match

“Seit 1991 stehen wir als erfahrenes Treuhandunternehmen unseren Kunden kompetent, diskret und persönlich zur Seite.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 25 of 145 outsourced trust accounting firms based in Switzerland

See the full list, filter by size, metro and specialty, and access 183 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Outsourced trust accounting firms based in Switzerland at a glance

As of Sep 21, 2026
39.4%Verified-email coverage
3.2Average contacts per company
1-10Median size (employees)
7.6%Largest-city concentration · Zurich
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
114
11-50
27
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 145 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 “outsourced trust accounting 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 183 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 21, 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 “outsourced trust accounting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many outsourced trust accounting firms are there based in Switzerland?

RevenueBase identified 145 company matches for outsourced trust accounting 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?

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

Which city has the most outsourced trust accounting firms?

Zurich leads with 11 company records, followed by Geneva (6) and Bern (5).

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 183 professional contacts with verified work emails tracked across these 145 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 21, 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.