Company lists · Data verified August 2026

Top 25 Cybersecurity defense contractors based in Switzerland

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 149 companies tracked

There are 149 cybersecurity defense contractors headquartered in Switzerland (RevenueBase, August 2026). RevenueBase tracks 1,524 professional contacts across them, including 565 with verified work emails and 29 with mobile numbers. Zurich is the largest hub.

This list covers cybersecurity defense contractors 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.

149Companies

1,524Contacts tracked

565Verified emails

29Mobile numbers

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The 25 largest cybersecurity defense contractors based in Switzerland

Ranked by team size

Top 25 of 149 cybersecurity defense contractors 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	Basevision AG	Olten	51-200	67	45
5	Oneconsult	Bern	51-200	63	45
6	Compass Security	Zurich	51-200	59	33
7	United Security Providers	Zurich	51-200	56	29
8	Sphynx	Zug	11-50	52	18
9	Scrt NOW Orange Cyberdefense	Meyrin	51-200	45	15
10	Seculabs SA	Montricher	11-50	43	25
11	Trufflepig Forensics	n/a	11-50	37	3
12	E-Secure	Le Grand-Saconnex	11-50	32	10
13	Elcasecurity	Lausanne	201-500	32	1
14	Asperiq	Baar	51-200	29	2
15	Cyberfy Consulting	Dubendorf	11-50	27	21
16	Omicron AG	Bern	11-50	27	10
17	Cybersec Services	Stabio	11-50	26	15
18	Eb-Qual SA	Kloten	11-50	20	17
19	Temet AG	Zurich	11-50	14	11
20	Gosecurity AG	Wiesendangen	11-50	14	8
21	Darkguard AG	Zug	11-50	13	7
22	Soluss SA	Eysins	11-50	12	10
23	I-Community AG	St. Moritz	11-50	12	10
24	Emitec Datacom	Rotkreuz	11-50	12	1
25	Arco IT Gmbh	Zurich	11-50	11	2

Showing 25 of 149 cybersecurity defense contractors based in Switzerland

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Cybersecurity defense contractors based in Switzerland at a glance

As of Aug 28, 2026

1-10Median size (employees)

ZurichLargest hub · 21 HQs

29Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

Cybersecurity defense contractors by metro

Metro	Companies
Cybersecurity defense contractors in Zurich	21
Cybersecurity defense contractors in Zug	10
Cybersecurity defense contractors in Geneva	7
Cybersecurity defense contractors in Bern	7
Cybersecurity defense contractors in Baar	6
Cybersecurity defense contractors in Lugano	6
Cybersecurity defense contractors in Lausanne	5

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 defense contractors”, 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 defense contractors are there based in Switzerland?

There are 149 cybersecurity defense contractors 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 defense contractors?

Zurich leads with 21 headquartered companies, followed by Zug (10) and Geneva (7).

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 565 verified decision-maker contacts tracked across these 149 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.