Company lists · Data verified August 2026

Top 25 Cybersecurity services companies based in Switzerland

Name: Cybersecurity services companies based in Switzerland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 228 companies tracked

There are 228 cybersecurity services companies headquartered in Switzerland (RevenueBase, August 2026). RevenueBase tracks 1,960 professional contacts across them, including 785 with verified work emails and 47 with mobile numbers. Zurich is the largest hub.

This list covers cybersecurity services companies 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.

228Companies

1,960Contacts tracked

785Verified emails

47Mobile numbers

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The 25 largest cybersecurity services companies based in Switzerland

Ranked by team size

Top 25 of 228 cybersecurity services companies 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	Avantec	Zurich	51-200	77	34
4	Redguard	Bern	51-200	73	47
5	Basevision AG	Olten	51-200	67	45
6	Oneconsult	Bern	51-200	63	45
7	Compass Security	Zurich	51-200	59	33
8	United Security Providers	Zurich	51-200	56	29
9	E-Xpert Solutions SA	Plan Les Ouates	51-200	52	42
10	Sphynx	Zug	11-50	52	18
11	Scrt NOW Orange Cyberdefense	Meyrin	51-200	45	15
12	Seculabs SA	Montricher	11-50	43	25
13	Trufflepig Forensics	n/a	11-50	37	3
14	BUG Bounty Switzerland	Zurich	11-50	36	13
15	Citadelo	n/a	11-50	34	27
16	E-Secure	Le Grand-Saconnex	11-50	32	10
17	Elcasecurity	Lausanne	201-500	32	1
18	Asperiq	Baar	51-200	29	2
19	Cyberfy Consulting	Dubendorf	11-50	27	21
20	Selution AG	Munchenstein	11-50	27	15
21	Omicron AG	Bern	11-50	27	10
22	Cybersec Services	Stabio	11-50	26	15
23	Eb-Qual SA	Kloten	11-50	20	17
24	Clue Security Services AG	Zurich	11-50	18	15
25	Exclusive Networks Switzerland	Schlieren	11-50	17	10

Showing 25 of 228 cybersecurity services companies based in Switzerland

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Cybersecurity services companies based in Switzerland at a glance

As of Aug 28, 2026

1-10Median size (employees)

ZurichLargest hub · 36 HQs

47Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

158

11-50

51-200

201-500

501-1,000

Cybersecurity services companies by metro

Metro	Companies
Cybersecurity services companies in Zurich	36
Cybersecurity services companies in Zug	12
Cybersecurity services companies in Lugano	9
Cybersecurity services companies in Geneva	8
Cybersecurity services companies in Bern	8
Cybersecurity services companies in Lausanne	7
Cybersecurity services companies in Basel	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 “cybersecurity services companies”, 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 cybersecurity services companies are there based in Switzerland?

There are 228 cybersecurity services companies 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 cybersecurity services companies?

Zurich leads with 36 headquartered companies, followed by Zug (12) and Lugano (9).

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 785 verified decision-maker contacts tracked across these 228 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.