Company lists · Data verified August 2026

Top 25 Cybersecurity and defense software companies based in Switzerland

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 59 companies tracked

There are 59 cybersecurity and defense software companies headquartered in Switzerland (RevenueBase, August 2026). RevenueBase tracks 859 professional contacts across them, including 320 with verified work emails and 11 with mobile numbers. Zurich is the largest hub.

This list covers cybersecurity and defense software 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.

59Companies

859Contacts tracked

320Verified emails

11Mobile numbers

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The 25 largest cybersecurity and defense software companies based in Switzerland

Ranked by team size

Top 25 of 59 cybersecurity and defense software 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	Basevision AG	Olten	51-200	67	45
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	IT District	Hunenberg	11-50	29	19
8	Asperiq	Baar	51-200	29	2
9	Sitasys AG	Genf	51-200	23	14
10	Darkguard AG	Zug	11-50	13	7
11	Cybercon Gmbh	Rotkreuz	11-50	10	9
12	Scensei Switzerland Sagl	Zurich	11-50	10	6
13	Teichmann International IT Solutions AG	Gallen	1-10	9	4
14	Brevit AG	Wetzikon	1-10	9	4
15	Cyverse AG	Zug	1-10	6	1
16	Haacq Sàrl	Geneva	1-10	5	5
17	Libc Technologies SA	Lausanne	1-10	5	5
18	CYSPA	Rotkreuz	11-50	5	4
19	Popp Schweiz AG	Gunzwil	1-10	4	2
20	Musaj Gmbh	Kloten	1-10	4	1
21	CYWAY	Horgen	1-10	3	2
22	Hypersecureit Sàrl	Cointrin	1-10	3	2
23	Cytrust AG	Zug	1-10	3	1
24	Abmc AG	Zug	1-10	2	1
25	Premrn Security	Zug	1-10	1	1

Showing 25 of 59 cybersecurity and defense software companies based in Switzerland

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Cybersecurity and defense software companies based in Switzerland at a glance

As of Aug 28, 2026

1-10Median size (employees)

ZurichLargest hub · 10 HQs

11Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

501-1,000

Cybersecurity and defense software companies by metro

Metro	Companies
Cybersecurity and defense software companies in Zurich	10
Cybersecurity and defense software companies in Zug	7
Cybersecurity and defense software companies in Bern	3
Cybersecurity and defense software companies in Geneva	3
Cybersecurity and defense software companies in Lausanne	2
Cybersecurity and defense software companies in Basel	2
Cybersecurity and defense software companies in Rotkreuz	2
Cybersecurity and defense software companies in Lugano	2

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 and defense software 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; 0 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 and defense software companies are there based in Switzerland?

There are 59 cybersecurity and defense software 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 and defense software companies?

Zurich leads with 10 headquartered companies, followed by Zug (7) and Bern (3).

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 320 verified decision-maker contacts tracked across these 59 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.