Company lists · Data verified August 2026

Top 25 Accounting firms for small businesses based in Switzerland

Name: Accounting firms for small businesses based in Switzerland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 223 companies tracked

There are 223 accounting firms for small businesses headquartered in Switzerland (RevenueBase, August 2026). RevenueBase tracks 620 professional contacts across them, including 228 with verified work emails and 18 with mobile numbers. Zurich is the largest hub.

This list covers accounting firms for small businesses headquartered in Switzerland, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

223Companies

620Contacts tracked

228Verified emails

18Mobile numbers

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The 25 largest accounting firms for small businesses based in Switzerland

Ranked by team size

Top 25 of 223 accounting firms for small businesses based in Switzerland, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	PKF Fiduciaire SA	Geneve	51-200	34	25
2	Expertinum AG	Winterthur	11-50	21	16
3	Z83 AG	Olten	11-50	20	11
4	Duttweiler Treuhand AG	Liestal	11-50	14	8
5	Abelia Wirtschaftsprüfung UND Beratung AG	Basel	11-50	13	6
6	Société Fiduciaire D'expertise ET Revision SA	n/a	11-50	12	9
7	Telepski Treuhand Gmbh	Bern	11-50	12	7
8	Lenz Treuhand AG	Zurich	11-50	11	8
9	Xellenz Treuhand AG	Zurich	11-50	10	7
10	Tschanz Treuhand AG	Lyss	11-50	10	5
11	BMU Treuhand AG	Thusis	11-50	9	6
12	Fiduciaire Staehli SA	Morrens	11-50	9	4
13	Controva AG	Zurich	11-50	9	4
14	Euro Accounting Ltd-Business Of The Year-Tax Team Of The Year-International Business Of The Year	Geneva	11-50	8	1
15	STR Treuhand AG	Uznach	11-50	7	5
16	Fiduservice S.A	Fribourg	11-50	7	5
17	Agro Treuhand Thurgau AG	Weinfelden	11-50	5	4
18	Truvag Treuhand UND Revisions AG St. Gallen	Sankt Gallen	1-10	5	3
19	Buchhaltungs- UND Treuhand AG Altstätten SG	Altstatten Sankt Gallen	11-50	4	4
20	Forbiz AG	Uitikon	11-50	3	1
21	Expertas Linth Treuhand AG	Sankt Gallen	1-10	2	2
22	AD Acta Treuhand AG	Illnau-Effretikon	1-10	2	2
23	Lorenzini Finanzen & Administration Gmbh	Untereggen Sankt Gallen	1-10	2	1
24	Consulta AG Treuhand UND Steuerberatung	Gerolfingen	1-10	2	1
25	Loyaltax Fiduciaire Sàrl	Gland	1-10	2	1

Showing 25 of 223 accounting firms for small businesses based in Switzerland

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Accounting firms for small businesses based in Switzerland at a glance

As of Aug 28, 2026

1-10Median size (employees)

ZurichLargest hub · 14 HQs

18Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

187

11-50

51-200

Accounting firms for small businesses by metro

Metro	Companies
Accounting firms for small businesses in Zurich	14
Accounting firms for small businesses in Geneve	13
Accounting firms for small businesses in Bern	6
Accounting firms for small businesses in Zug	6
Accounting firms for small businesses in Lausanne	6
Accounting firms for small businesses in Olten	5
Accounting firms for small businesses in Basel	5

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “accounting firms for small businesses”, with match quality audited by blind human judging, and headquartered in Switzerland.
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: Contact records re-verify on a rolling cadence; 1 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many accounting firms for small businesses are there based in Switzerland?

There are 223 accounting firms for small businesses headquartered in Switzerland as of August 2026 (RevenueBase).

What is the largest company on this list?

PKF Fiduciaire SA, headquartered in Geneve, tops this list with the largest team on record.

Which city has the most accounting firms for small businesses?

Zurich leads with 14 headquartered companies, followed by Geneve (13) and Bern (6).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 228 verified decision-maker contacts tracked across these 223 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.