Company lists · Data verified August 2026

Top 25 Consulting firms based in Switzerland

Name: Consulting firms based in Switzerland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 4,417 companies tracked

There are 4,417 consulting firms headquartered in Switzerland (RevenueBase, August 2026). RevenueBase tracks 32,723 professional contacts across them, including 15,006 with verified work emails and 2,938 with mobile numbers. Zurich is the largest hub.

This list covers consulting firms 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.

4,417Companies

32,723Contacts tracked

15,006Verified emails

2,938Mobile numbers

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The 25 largest consulting firms based in Switzerland

Ranked by team size

Top 25 of 4,417 consulting firms 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	Alixpartners	Zurich	1,001-5,000	3,557	2,679
2	Egon Zehnder	Zurich	1,001-5,000	3,092	1,883
3	D-Fine	Zurich	1,001-5,000	1,478	973
4	BDO Switzerland	Zofingen	1,001-5,000	1,100	702
5	Oliver James	Zug	501-1,000	880	422
6	Aquila Consultoria EM Gestão	Zurique	201-500	422	208
7	EBP Schweiz	Zurich	201-500	370	198
8	Orbis SE	Baar	501-1,000	368	245
9	Isolutions AG	Basel	201-500	303	157
10	Holinger	Liestal Basel	501-1,000	264	150
11	Renoir Consulting	Geneve	201-500	246	92
12	Meogroup	n/a	501-1,000	235	24
13	IPT Innovation Process Technology	Zurich	201-500	226	149
14	Bios Management	Lugano	201-500	214	156
15	Amaris Consulting	Geneva	5,001-10,000	213	55
16	Chaberton Professionals	Lugano	201-500	209	73
17	Drees & Sommer Switzerland	Zurich	201-500	165	104
18	Jauslin Stebler AG	Zurich	51-200	108	8
19	Satriun	Carouge	201-500	88	72
20	Ritzenhoefer & Company	Zurich	51-200	85	51
21	Ppcmetrics AG	Nyon	51-200	78	65
22	Grant Alexander	Fribourg	51-200	76	47
23	Windrose Consulting Group	Luzern	51-200	73	50
24	Peak & Peak	Zug	201-500	68	45
25	Gähler UND Partner AG	Ennetbaden	51-200	68	30

Showing 25 of 4,417 consulting firms based in Switzerland

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Consulting firms based in Switzerland at a glance

As of Aug 28, 2026

1-10Median size (employees)

ZurichLargest hub · 700 HQs

2,938Contacts with mobile numbers

80Emails re-verified in last 30 days

Companies by employee count

1-10

3,542

11-50

667

51-200

119

201-500

501-1,000

1,001-5,000

5,001-10,000

Consulting firms by metro

Metro	Companies
Consulting firms in Zurich	700
Consulting firms in Zug	186
Consulting firms in Lausanne	160
Consulting firms in Geneva	156
Consulting firms in Geneve	136
Consulting firms in Basel	133
Consulting firms in Lugano	121

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 “consulting firms”, 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; 80 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 consulting firms are there based in Switzerland?

There are 4,417 consulting firms headquartered in Switzerland as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most consulting firms?

Zurich leads with 700 headquartered companies, followed by Zug (186) and Lausanne (160).

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 15,006 verified decision-maker contacts tracked across these 4,417 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.