Company lists · Data refreshed September 2026
Top 25 Large accounting firms based in Switzerland
RevenueBase identified 183 company matches for large accounting firms associated with Switzerland as of September 2026 and tracks 2,795 professional contacts across them, including 1,225 with verified work emails. Zurich is the largest hub.
This list covers company matches for large 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.
The 25 largest large accounting firms based in Switzerland
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,090 contacts → | ||||
Exact match “BDO is one of the leading audit, accounting and consulting firms in Switzerland.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 2 | 424 contacts → | ||||
Exact match “Forvis Mazars Group SC is an independent member of Forvis Mazars Global, a leading professional services network.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 3 | 46 contacts → | ||||
Exact match “Für unsere Kunden generieren wir Mehrwert durch professionelle und individuelle Dienstleistungen auf der Basis von persönlichen Beziehungen in den Bereichen Treuhand…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 4 | 34 contacts → | ||||
Exact match “PKF Fiduciaire SA est spécialisée dans l'audit, l'expertise comptable, le conseil fiscal, la gestion des salaires et l'administration de sociétés.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 5 | 34 contacts → | ||||
Exact match “Swiss legal service provider.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 6 | 28 contacts → | ||||
Exact match “Our promise since 1962.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 7 | 22 contacts → | ||||
Exact match “Ganz persönlich und alles aus einer Hand: Treuhand, Steuern, Wirtschaftsprüfung und Unternehmensberatung.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 8 | 21 contacts → | ||||
Exact match “Als erfahrene Treuhandpartnerin mit fünf Standorten im Kanton Zürich begleiten wir Unternehmen und Privatpersonen mit persönlicher Beratung, hoher Fachkompetenz und einem klaren…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 9 | 20 contacts → | ||||
Exact match “We have been acknowledged as an independent, flexible and trustworthy consulting firm since 1946.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 10 | 20 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 21, 2026 · View company records in RevenueBase | |||||
| 11 | 19 contacts → | ||||
Exact match “thv AG is an Accounting company located in Ziegelrain 29, Zeiningen, Switzerland.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 12 | 17 contacts → | ||||
Exact match “Consultive ist Ihr KMU Partner für Revision, Treuhand und Unternehmensberatung in Winterthur.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 13 | 17 contacts → | ||||
Exact match “Gfeller + Partner AG ist ein mittelständisches Dienstleistungsunternehmen, welches Wirtschaftsprüfungs, Steuer- und Beratungsdienstleistungen anbietet.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 14 | 16 contacts → | ||||
Exact match “Die TFP Treuhand AG kann dank einem breit abgestützten Fachwissen eine entsprechend ausgedehnte Dienstleistungspalette anbieten.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 15 | 14 contacts → | ||||
Exact match “Wir entwickeln für Sie individuelle und auf Ihre Bedürfnisse angepasste Lösungen in den Bereichen Treuhand, Wirtschaftsprüfung, Steuern und Unternehmensberatung- Treuhand: Wir…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 16 | 14 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 21, 2026 · View company records in RevenueBase | |||||
| 17 | 14 contacts → | ||||
Exact match “Mazars is an internationally integrated partnership, specialising in audit, accountancy, advisory, tax and legal services*.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 18 | 14 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 21, 2026 · View company records in RevenueBase | |||||
| 19 | 13 contacts → | ||||
Exact match “Seit 1982 vertrauen nationale und internationale Gesellschaften und Privatpersonen in den Bereichen Steuern, Rechnungswesen, Unternehmensberatung und Wirtschaftsprüfung auf aidoo.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 20 | 13 contacts → | ||||
Exact match “In einer partnerschaftlichen Zusammenarbeit begleiten wir Sie in den Bereichen Treuhand, Wirtschaftsprüfung und Steuerberatung.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 21 | 12 contacts → | ||||
Exact match “Wir denken neue Wege, Geben Zahlen Sinn und Klarheit.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 22 | 12 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 21, 2026 · View company records in RevenueBase | |||||
| 23 | 12 contacts → | ||||
Exact match “Unser oberstes Ziel als Dienstleistungsunternehmen sind zufriedene und gut beratene Kunden.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 24 | 11 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 21, 2026 · View company records in RevenueBase | |||||
| 25 | 10 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 21, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “large accounting firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 183 large accounting firms based in Switzerland
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Large accounting firms based in Switzerland at a glance
As of Sep 21, 2026Companies by employee count
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 183 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 “large 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 1,225 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 “large accounting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many large accounting firms are there based in Switzerland?
RevenueBase identified 183 company matches for large 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?
BDO Switzerland tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most large accounting firms?
Zurich leads with 19 company records, followed by Geneva (10) and Lausanne (8).
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 1,225 professional contacts with verified work emails tracked across these 183 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.
Ready to reach these companies? Verified emails and direct dials for all 183 large accounting firms based in Switzerland. Start with a free account, no credit card.
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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.
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Company intelligence · public preview
Top 25 large accounting firms based in Switzerland
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 183 matching company records for large accounting firms based in Switzerland, with 2,795 tracked contacts and 1,225 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 21, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 large accounting firms based in Switzerland
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  BDO Switzerlandbdo.chHQ: Zürich, SwitzerlandReported employees: 1,001-5,000 | Zürich, Switzerland | 1,001-5,000 | Exact match | 1,090 contacts → |
“BDO is one of the leading audit, accounting and consulting firms in Switzerland.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Forvis Mazars In Switzerlandforvismazars.comHQ: Geneva, SwitzerlandReported employees: 201-500 | Geneva, Switzerland | 201-500 | Exact match | 424 contacts → |
“Forvis Mazars Group SC is an independent member of Forvis Mazars Global, a leading professional services network.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Bommer Partner Treuhandbommer-partner.chHQ: Bern, SwitzerlandReported employees: 51-200 | Bern, Switzerland | 51-200 | Exact match | 46 contacts → |
“Für unsere Kunden generieren wir Mehrwert durch professionelle und individuelle Dienstleistungen auf der Basis von persönlichen Beziehungen in den Bereichen Treuhand…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  PKF Fiduciaire SApkf.swissHQ: Geneva, SwitzerlandReported employees: 51-200 | Geneva, Switzerland | 51-200 | Exact match | 34 contacts → |
“PKF Fiduciaire SA est spécialisée dans l'audit, l'expertise comptable, le conseil fiscal, la gestion des salaires et l'administration de sociétés.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  PWC Switzerland - Legalpwc.chHQ: Zürich, SwitzerlandReported employees: 51-200 | Zürich, Switzerland | 51-200 | Exact match | 34 contacts → |
“Swiss legal service provider.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: 6302 Zug, SwitzerlandReported employees: 11-50 | 6302 Zug, Switzerland | 11-50 | Exact match | 28 contacts → |
“Our promise since 1962.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Alltaxalltax.chHQ: Basel, SwitzerlandReported employees: 11-50 | Basel, Switzerland | 11-50 | Exact match | 22 contacts → |
“Ganz persönlich und alles aus einer Hand: Treuhand, Steuern, Wirtschaftsprüfung und Unternehmensberatung.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Expertinum AGexpertinum.chHQ: Zürich, SwitzerlandReported employees: 11-50 | Zürich, Switzerland | 11-50 | Exact match | 21 contacts → |
“Als erfahrene Treuhandpartnerin mit fünf Standorten im Kanton Zürich begleiten wir Unternehmen und Privatpersonen mit persönlicher Beratung, hoher Fachkompetenz und einem klaren…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Caminada Zurichcaminada.chHQ: Stadtkreis 8 Riesbach, SwitzerlandReported employees: 11-50 | Stadtkreis 8 Riesbach, Switzerland | 11-50 | Exact match | 20 contacts → |
“We have been acknowledged as an independent, flexible and trustworthy consulting firm since 1946.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Fidexaudit SAfidexaudit.chHQ: Lausanne, SwitzerlandReported employees: 11-50 | Lausanne, Switzerland | 11-50 | Exact match | 20 contacts → |
“Depuis plus de 30 années, Fidexaudit accompagne ses clients dans tous les domaines de la fiduciaire.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  THV AGthv.chHQ: Aarau, SwitzerlandReported employees: 11-50 | Aarau, Switzerland | 11-50 | Exact match | 19 contacts → |
“thv AG is an Accounting company located in Ziegelrain 29, Zeiningen, Switzerland.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Consultiveconsultive.chHQ: Winterthur, SwitzerlandReported employees: 11-50 | Winterthur, Switzerland | 11-50 | Exact match | 17 contacts → |
“Consultive ist Ihr KMU Partner für Revision, Treuhand und Unternehmensberatung in Winterthur.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Gfeller Partner AGgfeller-partner.chHQ: Langenthal, SwitzerlandReported employees: 11-50 | Langenthal, Switzerland | 11-50 | Exact match | 17 contacts → |
“Gfeller + Partner AG ist ein mittelständisches Dienstleistungsunternehmen, welches Wirtschaftsprüfungs, Steuer- und Beratungsdienstleistungen anbietet.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  TFP Treuhand AGtfp.chHQ: Appenzell, SwitzerlandReported employees: 11-50 | Appenzell, Switzerland | 11-50 | Exact match | 16 contacts → |
“Die TFP Treuhand AG kann dank einem breit abgestützten Fachwissen eine entsprechend ausgedehnte Dienstleistungspalette anbieten.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Abelia Wirtschaftsprüfung UND Beratung AGabelia-beratung.chHQ: Basel, SwitzerlandReported employees: 11-50 | Basel, Switzerland | 11-50 | Exact match | 14 contacts → |
“Wir entwickeln für Sie individuelle und auf Ihre Bedürfnisse angepasste Lösungen in den Bereichen Treuhand, Wirtschaftsprüfung, Steuern und Unternehmensberatung- Treuhand: Wir…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Duttweiler Treuhand AGduttweiler-treuhand.chHQ: Liestal, SwitzerlandReported employees: 11-50 | Liestal, Switzerland | 11-50 | Exact match | 14 contacts → |
“Die Duttweiler Treuhand AG ist Ihre Spezialistin für Buchführungen und Rechnungswesen, Ihre Expertin für Steuerberatungen, Wirtschaftsprüfungen, Unternehmensberatungen und…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Mazars In Switzerlandmazars.ch HQ: Geneva, SwitzerlandReported employees: 201-500 | Geneva, Switzerland | 201-500 | Exact match | 14 contacts → |
“Mazars is an internationally integrated partnership, specialising in audit, accountancy, advisory, tax and legal services*.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Revisia AGrevisia.chHQ: Biel/bienne, SwitzerlandReported employees: 11-50 | Biel/bienne, Switzerland | 11-50 | Exact match | 14 contacts → |
“Wir sind seit über 100 Jahren in den Bereichen Treuhand, Wirtschaftsprüfung, Unternehmens- und Steuerberatung tätig.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Aidoo AGaidoo.chHQ: Zug, SwitzerlandReported employees: 11-50 | Zug, Switzerland | 11-50 | Exact match | 13 contacts → |
“Seit 1982 vertrauen nationale und internationale Gesellschaften und Privatpersonen in den Bereichen Steuern, Rechnungswesen, Unternehmensberatung und Wirtschaftsprüfung auf aidoo.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  TWS Confides AGtws.chHQ: Frauenfeld, SwitzerlandReported employees: 11-50 | Frauenfeld, Switzerland | 11-50 | Exact match | 13 contacts → |
“In einer partnerschaftlichen Zusammenarbeit begleiten wir Sie in den Bereichen Treuhand, Wirtschaftsprüfung und Steuerberatung.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Auditrium AGauditrium.chHQ: Stans, SwitzerlandReported employees: 11-50 | Stans, Switzerland | 11-50 | Exact match | 12 contacts → |
“Wir denken neue Wege, Geben Zahlen Sinn und Klarheit.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: SwitzerlandReported employees: 11-50 | Switzerland | 11-50 | Exact match | 12 contacts → |
“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 description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Sefid Treuhand & Revisionsefid.chHQ: Cham, SwitzerlandReported employees: 11-50 | Cham, Switzerland | 11-50 | Exact match | 12 contacts → |
“Unser oberstes Ziel als Dienstleistungsunternehmen sind zufriedene und gut beratene Kunden.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Lenz Treuhand AGlenz-treuhand.chHQ: Zürich, SwitzerlandReported employees: 11-50 | Zürich, Switzerland | 11-50 | Exact match | 11 contacts → |
“Lenz Treuhand AG is an accounting company based out of Seefeldstrasse 35, Zürich, Canton of Zurich, Switzerland.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Stadtkreis 3 Wiedikon, SwitzerlandReported employees: 11-50 | Stadtkreis 3 Wiedikon, Switzerland | 11-50 | Exact match | 10 contacts → |
“Ostschweizerische Treuhand Zürich AG, short OTG, has been in business since 1918 as an accredited audit firm conducting full and limited audits.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 183 company matches
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Large accounting firms: dataset insights
September 21, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
182 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 183 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 21, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for large accounting firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many large accounting firms did RevenueBase find based in Switzerland?
The saved snapshot records 183 matching company records, 2,795 tracked contacts and 1,225 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 21, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 large accounting firms based in Switzerland. Snapshot: September 21, 2026. https://revenuebase.ai/companies/large-accounting-firms/switzerland.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
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Company intelligence · public preview
Top 25 large accounting firms based in Switzerland
RevenueBase records 183 matching company records for large accounting firms based in Switzerland, with 2,795 tracked contacts and 1,225 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 21, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 large accounting firms based in Switzerland
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | BDO Switzerlandbdo.ch HQ: Zürich, SwitzerlandReported employees: 1,001-5,000 | Zürich, Switzerland | 1,001-5,000 | Exact match | 1,090 contacts → |
“BDO is one of the leading audit, accounting and consulting firms in Switzerland.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Forvis Mazars In Switzerlandforvismazars.com HQ: Geneva, SwitzerlandReported employees: 201-500 | Geneva, Switzerland | 201-500 | Exact match | 424 contacts → |
“Forvis Mazars Group SC is an independent member of Forvis Mazars Global, a leading professional services network.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Bommer Partner Treuhandbommer-partner.ch HQ: Bern, SwitzerlandReported employees: 51-200 | Bern, Switzerland | 51-200 | Exact match | 46 contacts → |
“Für unsere Kunden generieren wir Mehrwert durch professionelle und individuelle Dienstleistungen auf der Basis von persönlichen Beziehungen in den Bereichen Treuhand…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | PKF Fiduciaire SApkf.swiss HQ: Geneva, SwitzerlandReported employees: 51-200 | Geneva, Switzerland | 51-200 | Exact match | 34 contacts → |
“PKF Fiduciaire SA est spécialisée dans l'audit, l'expertise comptable, le conseil fiscal, la gestion des salaires et l'administration de sociétés.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | PWC Switzerland - Legalpwc.ch HQ: Zürich, SwitzerlandReported employees: 51-200 | Zürich, Switzerland | 51-200 | Exact match | 34 contacts → |
“Swiss legal service provider.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: 6302 Zug, SwitzerlandReported employees: 11-50 | 6302 Zug, Switzerland | 11-50 | Exact match | 28 contacts → |
“Our promise since 1962.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Alltaxalltax.ch HQ: Basel, SwitzerlandReported employees: 11-50 | Basel, Switzerland | 11-50 | Exact match | 22 contacts → |
“Ganz persönlich und alles aus einer Hand: Treuhand, Steuern, Wirtschaftsprüfung und Unternehmensberatung.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Expertinum AGexpertinum.ch HQ: Zürich, SwitzerlandReported employees: 11-50 | Zürich, Switzerland | 11-50 | Exact match | 21 contacts → |
“Als erfahrene Treuhandpartnerin mit fünf Standorten im Kanton Zürich begleiten wir Unternehmen und Privatpersonen mit persönlicher Beratung, hoher Fachkompetenz und einem klaren…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Caminada Zurichcaminada.ch HQ: Stadtkreis 8 Riesbach, SwitzerlandReported employees: 11-50 | Stadtkreis 8 Riesbach, Switzerland | 11-50 | Exact match | 20 contacts → |
“We have been acknowledged as an independent, flexible and trustworthy consulting firm since 1946.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Fidexaudit SAfidexaudit.ch HQ: Lausanne, SwitzerlandReported employees: 11-50 | Lausanne, Switzerland | 11-50 | Exact match | 20 contacts → |
“Depuis plus de 30 années, Fidexaudit accompagne ses clients dans tous les domaines de la fiduciaire.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | THV AGthv.ch HQ: Aarau, SwitzerlandReported employees: 11-50 | Aarau, Switzerland | 11-50 | Exact match | 19 contacts → |
“thv AG is an Accounting company located in Ziegelrain 29, Zeiningen, Switzerland.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Consultiveconsultive.ch HQ: Winterthur, SwitzerlandReported employees: 11-50 | Winterthur, Switzerland | 11-50 | Exact match | 17 contacts → |
“Consultive ist Ihr KMU Partner für Revision, Treuhand und Unternehmensberatung in Winterthur.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Gfeller Partner AGgfeller-partner.ch HQ: Langenthal, SwitzerlandReported employees: 11-50 | Langenthal, Switzerland | 11-50 | Exact match | 17 contacts → |
“Gfeller + Partner AG ist ein mittelständisches Dienstleistungsunternehmen, welches Wirtschaftsprüfungs, Steuer- und Beratungsdienstleistungen anbietet.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | TFP Treuhand AGtfp.ch HQ: Appenzell, SwitzerlandReported employees: 11-50 | Appenzell, Switzerland | 11-50 | Exact match | 16 contacts → |
“Die TFP Treuhand AG kann dank einem breit abgestützten Fachwissen eine entsprechend ausgedehnte Dienstleistungspalette anbieten.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Abelia Wirtschaftsprüfung UND Beratung AGabelia-beratung.ch HQ: Basel, SwitzerlandReported employees: 11-50 | Basel, Switzerland | 11-50 | Exact match | 14 contacts → |
“Wir entwickeln für Sie individuelle und auf Ihre Bedürfnisse angepasste Lösungen in den Bereichen Treuhand, Wirtschaftsprüfung, Steuern und Unternehmensberatung- Treuhand: Wir…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Duttweiler Treuhand AGduttweiler-treuhand.ch HQ: Liestal, SwitzerlandReported employees: 11-50 | Liestal, Switzerland | 11-50 | Exact match | 14 contacts → |
“Die Duttweiler Treuhand AG ist Ihre Spezialistin für Buchführungen und Rechnungswesen, Ihre Expertin für Steuerberatungen, Wirtschaftsprüfungen, Unternehmensberatungen und…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Mazars In Switzerlandmazars.ch HQ: Geneva, SwitzerlandReported employees: 201-500 | Geneva, Switzerland | 201-500 | Exact match | 14 contacts → |
“Mazars is an internationally integrated partnership, specialising in audit, accountancy, advisory, tax and legal services*.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Revisia AGrevisia.ch HQ: Biel/bienne, SwitzerlandReported employees: 11-50 | Biel/bienne, Switzerland | 11-50 | Exact match | 14 contacts → |
“Wir sind seit über 100 Jahren in den Bereichen Treuhand, Wirtschaftsprüfung, Unternehmens- und Steuerberatung tätig.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Aidoo AGaidoo.ch HQ: Zug, SwitzerlandReported employees: 11-50 | Zug, Switzerland | 11-50 | Exact match | 13 contacts → |
“Seit 1982 vertrauen nationale und internationale Gesellschaften und Privatpersonen in den Bereichen Steuern, Rechnungswesen, Unternehmensberatung und Wirtschaftsprüfung auf aidoo.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | TWS Confides AGtws.ch HQ: Frauenfeld, SwitzerlandReported employees: 11-50 | Frauenfeld, Switzerland | 11-50 | Exact match | 13 contacts → |
“In einer partnerschaftlichen Zusammenarbeit begleiten wir Sie in den Bereichen Treuhand, Wirtschaftsprüfung und Steuerberatung.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Auditrium AGauditrium.ch HQ: Stans, SwitzerlandReported employees: 11-50 | Stans, Switzerland | 11-50 | Exact match | 12 contacts → |
“Wir denken neue Wege, Geben Zahlen Sinn und Klarheit.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: SwitzerlandReported employees: 11-50 | Switzerland | 11-50 | Exact match | 12 contacts → |
“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 description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Sefid Treuhand & Revisionsefid.ch HQ: Cham, SwitzerlandReported employees: 11-50 | Cham, Switzerland | 11-50 | Exact match | 12 contacts → |
“Unser oberstes Ziel als Dienstleistungsunternehmen sind zufriedene und gut beratene Kunden.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Lenz Treuhand AGlenz-treuhand.ch HQ: Zürich, SwitzerlandReported employees: 11-50 | Zürich, Switzerland | 11-50 | Exact match | 11 contacts → |
“Lenz Treuhand AG is an accounting company based out of Seefeldstrasse 35, Zürich, Canton of Zurich, Switzerland.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Stadtkreis 3 Wiedikon, SwitzerlandReported employees: 11-50 | Stadtkreis 3 Wiedikon, Switzerland | 11-50 | Exact match | 10 contacts → |
“Ostschweizerische Treuhand Zürich AG, short OTG, has been in business since 1918 as an accredited audit firm conducting full and limited audits.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 183 company matches
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Large accounting firms: dataset insights
September 21, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
182 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 183 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 21, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for large accounting firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many large accounting firms did RevenueBase find based in Switzerland?
The saved snapshot records 183 matching company records, 2,795 tracked contacts and 1,225 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 21, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
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Cite this list
RevenueBase Data Team. Top 25 large accounting firms based in Switzerland. Snapshot: September 21, 2026. https://revenuebase.ai/companies/large-accounting-firms/switzerland.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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