Company lists · Data verified August 2026

Top 25 Data security consulting firms based in Switzerland

Name: Data security 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 253 companies tracked

There are 253 data security consulting firms headquartered in Switzerland (RevenueBase, August 2026). RevenueBase tracks 1,767 professional contacts across them, including 669 with verified work emails and 35 with mobile numbers. Zurich is the largest hub.

This list covers data security 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.

253Companies

1,767Contacts tracked

669Verified emails

35Mobile numbers

Unlock all 253 companies Free account · no credit card · 2 minutes

The 25 largest data security consulting firms based in Switzerland

Ranked by team size

Top 25 of 253 data security 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	Sits Group	Basel	501-1,000	268	34
2	Swiss Post Cybersecurity	Morges	51-200	101	38
3	Redguard	Bern	51-200	73	47
4	Oneconsult	Bern	51-200	63	45
5	Compass Security	Zurich	51-200	59	33
6	United Security Providers	Zurich	51-200	56	29
7	E-Xpert Solutions SA	Plan Les Ouates	51-200	52	42
8	Sphynx	Zug	11-50	52	18
9	Swiss Infosec AG	Bern	51-200	37	25
10	Trufflepig Forensics	n/a	11-50	37	3
11	E-Secure	Le Grand-Saconnex	11-50	32	10
12	Elcasecurity	Lausanne	201-500	32	1
13	Cyberfy Consulting	Dubendorf	11-50	27	21
14	Omicron AG	Bern	11-50	27	10
15	Ensec AG	Au Zh	11-50	23	18
16	Priverion	Baar	51-200	22	6
17	Eb-Qual SA	Kloten	11-50	20	17
18	Machcon Gmbh	Zug	11-50	19	13
19	Regdata	Geneve	11-50	17	3
20	Kastgroup Gmbh	Wallisellen	11-50	14	11
21	Temet AG	Zurich	11-50	14	11
22	Gosecurity AG	Wiesendangen	11-50	14	8
23	Dats'up	Le Grand-Saconnex	11-50	14	1
24	In&out AG	Risch	11-50	13	10
25	Darkguard AG	Zug	11-50	13	7

Showing 25 of 253 data security consulting firms based in Switzerland

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 669 reachable decision-makers.

Free account · no credit card

See all 253 companies

Data security consulting firms based in Switzerland at a glance

As of Aug 28, 2026

1-10Median size (employees)

ZurichLargest hub · 42 HQs

35Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

188

11-50

51-200

201-500

501-1,000

Data security consulting firms by metro

Metro	Companies
Data security consulting firms in Zurich	42
Data security consulting firms in Zug	12
Data security consulting firms in Geneva	11
Data security consulting firms in Bern	10
Data security consulting firms in Lugano	10
Data security consulting firms in Geneve	8
Data security consulting firms in Baar	7

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 “data security 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; 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 data security consulting firms are there based in Switzerland?

There are 253 data security consulting firms headquartered in Switzerland as of August 2026 (RevenueBase).

What is the largest company on this list?

Sits Group, headquartered in Basel, tops this list with the largest team on record.

Which city has the most data security consulting firms?

Zurich leads with 42 headquartered companies, followed by Zug (12) and Geneva (11).

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 669 verified decision-maker contacts tracked across these 253 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.

Ready to reach these companies? Verified emails and direct dials for all 253 data security consulting firms based in Switzerland. Start with a free account, no credit card.

Get the full list

Related lists

Data security consulting firms by geography

Browse the directory

Browse: Companies home · All Switzerland lists · All Data security consulting firms lists · New lists

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.