Company lists · Data verified August 2026

Top 18 Accounting firms serving charities based in Zurich, Switzerland

Name: Accounting firms serving charities based in Zurich, Switzerland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 32 companies tracked

There are 32 accounting firms serving charities headquartered in Zurich, Switzerland (RevenueBase, August 2026). RevenueBase tracks 172 professional contacts across them, including 85 with verified work emails and 5 with mobile numbers. Zurich is the largest hub.

This list covers accounting firms serving charities headquartered in Zurich, 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.

32Companies

172Contacts tracked

85Verified emails

5Mobile numbers

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The 18 largest accounting firms serving charities based in Zurich, Switzerland

Ranked by team size

Top 18 of 32 accounting firms serving charities based in Zurich, 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	Reliance	Zurich	11-50	32	12
2	Caminada Zurich	Zurich	11-50	20	13
3	Auditrium AG	Zurich	11-50	12	9
4	Lenz Treuhand AG	Zurich	11-50	11	8
5	Ostschweizerische Treuhand Zürich AG	Zurich	11-50	10	8
6	Controva AG	Zurich	11-50	9	4
7	Tarantino AG	Zurich	1-10	7	5
8	Contaxa AG	Zurich	1-10	7	4
9	Lenherr & Partner AG	Zurich	1-10	6	5
10	HLS & Partner SA	Zurich	1-10	6	5
11	STT Schoch Treuhand Team AG	Zurich	11-50	4	3
12	Prüfag Wirtschaftsprüfung AG	Zurich	11-50	3	3
13	Zanuco Treuhand AG	Zurich	1-10	3	1
14	Ryser Treuhand AG	Zurich	1-10	2	1
15	RIS Partner Treuhand	Zurich	1-10	2	1
16	Aimafin AG	Zurich	1-10	1	1
17	Limmat Audit AG	Zurich	1-10	1	1
18	Gamma Treuhand & Consulting AG	Zurich	n/a	1	1

Showing 18 of 32 accounting firms serving charities based in Zurich, Switzerland

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Accounting firms serving charities based in Zurich, Switzerland at a glance

As of Aug 28, 2026

1-10Median size (employees)

ZurichLargest hub · 32 HQs

5Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

Accounting firms serving charities by metro in Switzerland

Metro	Companies
Accounting firms serving charities in Zurich	32
Accounting firms serving charities in Geneve	25
Accounting firms serving charities in Zug	15
Accounting firms serving charities in Lausanne	15
Accounting firms serving charities in Basel	11
Accounting firms serving charities in Lugano	8
Accounting firms serving charities in Olten	8

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 serving charities”, with match quality audited by blind human judging, and headquartered in Zurich, 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; 0 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 serving charities are there based in Zurich, Switzerland?

There are 32 accounting firms serving charities headquartered in Zurich, Switzerland as of August 2026 (RevenueBase).

What is the largest company on this list?

Reliance, headquartered in Zurich, tops this list with the largest team on record.

Which city has the most accounting firms serving charities?

Zurich leads with 32 headquartered companies, followed by Geneve (25) and Zug (15).

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 85 verified decision-maker contacts tracked across these 32 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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Related lists

Accounting firms serving charities by geography

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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.