Company lists · Data refreshed September 2026

Top 19 Bookkeeping outsourcing firms based in Switzerland

RevenueBase identified 61 company matches for bookkeeping outsourcing firms associated with Switzerland as of September 2026 and tracks 174 professional contacts across them, including 48 with verified work emails. Bern is the largest hub.

This list covers company matches for bookkeeping outsourcing 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
61Companies
174Contacts tracked
48Verified emails
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The 19 largest bookkeeping outsourcing firms based in Switzerland

Ranked by team size
Top 19 of 61 company matches for bookkeeping outsourcing 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 matchStadtkreis 2, SwitzerlandHQ recorded Sep 21, 202611-5010 contacts →

Exact match

“XELLENZ revolutioniert die Buchführung.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2Exact matchLyss, SwitzerlandHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
3Exact matchDübendorf, SwitzerlandHQ recorded Sep 21, 202611-508 contacts →

Exact match

“Veriduna Treuhand AG is a financial services company based out of Stettbachstrasse 6, Dübendorf, Canton of Zurich, Switzerland.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchLausanne, SwitzerlandHQ recorded Sep 21, 20261-108 contacts →

Exact match

“Gaapex is specialized in financial and accounting outsourcing services.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchLucerne, SwitzerlandHQ recorded Sep 21, 20261-105 contacts →

Exact match

“Von den Steuern und vom Jahresabschluss über klassische oder digitale Buchhaltung bis hin zur Finanzberatung für kleinere und mittlere Unternehmen bietet Zahlenmacher sämtliche…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact matchZurich, SwitzerlandHQ recorded Sep 21, 202611-504 contacts →

Exact match

“Infeas bietet Unternehmen individuelle Lösungen im Bereich Finanzen und den damit verbundenen Themen, somit können Sie sich auf ihr Kerngeschäft konzentrieren.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchMeilen, SwitzerlandHQ recorded Sep 21, 20261-103 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchDübendorf, SwitzerlandHQ recorded Sep 21, 20261-103 contacts →

Exact match

“Treuhand - All in One: Unsere Buchhaltungsabos zum Fixpreis - Belegverbuchung - Jahresrechnung - Steuererklärung - MWST Abrechnung - GV Protokoll - Optimierungsvorschläge -…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact matchBaar, SwitzerlandHQ recorded Sep 21, 20261-102 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchUntereggen, SwitzerlandHQ recorded Sep 21, 20261-102 contacts →

Exact match

“Wir bieten Ihnen Dienstleistungen für eine professionelle Betreuung Ihrer Finanzen und Administration an.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchBasel, SwitzerlandHQ recorded Sep 21, 20261-102 contacts →

Exact match

“Konzentrieren Sie sich auf Ihr Kerngeschäft.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchLenzburg, SwitzerlandHQ recorded Sep 21, 20261-101 contacts →

Exact match

“Wir kümmern uns um deine Buchhaltung.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchSeltisberg, SwitzerlandHQ recorded Sep 21, 20261-101 contacts →

Exact match

“Treuhand | Buchhaltung | Begleitung für Selbständige und kleine Unternehmen Bei AFFINA GmbH unterstützen wir Menschen, die Verantwortung tragen – Selbständige, Gründerinnen und…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchRapperswil-jona, SwitzerlandHQ recorded Sep 21, 20261-101 contacts →

Exact match

“We are your outsourcing partner in Switzerland.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchHärkingen, SwitzerlandHQ recorded Sep 21, 20261-101 contacts →

Exact match

“Wir bieten Firmen Finanzbuchhaltungen an.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchMartigny, SwitzerlandHQ recorded Sep 21, 20261-101 contacts →

Exact match

“Finaxio est une société de services où vous pouvez externaliser vos besoins en matière de direction financière.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchCham, SwitzerlandHQ recorded Sep 21, 20261-101 contacts →

Exact match

“Immobilienbuchhaltung; Finanz- und Betriebsbuchhaltung; Lohnbuchhaltung; Payroll; Unternehmensberatung; Freelancing Einsätze/Intermin Support”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchBern, SwitzerlandHQ recorded Sep 21, 20261-101 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchHergiswil, SwitzerlandHQ recorded Sep 21, 20261-101 contacts →

Exact match

“akribe buchhaltung gmbh erledigt die Buchhaltung und administrativen Arbeiten für Einzelfirmen, kleinere und mittlere Unternehmen sowie Privatpersonen.”

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

Showing 19 of 61 bookkeeping outsourcing firms based in Switzerland

See the full list, filter by size, metro and specialty, and access 48 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Bookkeeping outsourcing firms based in Switzerland at a glance

As of Sep 21, 2026
27.6%Verified-email coverage
2.9Average contacts per company
1-10Median size (employees)
4.9%Largest-city concentration · Bern
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
54
11-50
5
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 61 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 “bookkeeping outsourcing 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 48 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 “bookkeeping outsourcing firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many bookkeeping outsourcing firms are there based in Switzerland?

RevenueBase identified 61 company matches for bookkeeping outsourcing 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?

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

Which city has the most bookkeeping outsourcing firms?

Bern leads with 3 company records, followed by Dubendorf (3) and Geneva (3).

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 48 professional contacts with verified work emails tracked across these 61 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.