Company lists · Data verified August 2026

Top 25 Application security consulting firms based in Switzerland

Name: Application 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 73 companies tracked

There are 73 application security consulting firms headquartered in Switzerland (RevenueBase, August 2026). RevenueBase tracks 826 professional contacts across them, including 309 with verified work emails and 16 with mobile numbers. Zurich is the largest hub.

This list covers application 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.

73Companies

826Contacts tracked

309Verified emails

16Mobile numbers

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The 25 largest application security consulting firms based in Switzerland

Ranked by team size

Top 25 of 73 application 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	Redguard	Bern	51-200	73	47
3	Oneconsult	Bern	51-200	63	45
4	Swiss Infosec AG	Bern	51-200	37	25
5	Trufflepig Forensics	n/a	11-50	37	3
6	BUG Bounty Switzerland	Zurich	11-50	36	13
7	Citadelo	n/a	11-50	34	27
8	Elcasecurity	Lausanne	201-500	32	1
9	Eb-Qual SA	Kloten	11-50	20	17
10	Temet AG	Zurich	11-50	14	11
11	Gosecurity AG	Wiesendangen	11-50	14	8
12	Soluss SA	Eysins	11-50	12	10
13	Arco IT Gmbh	Zurich	11-50	11	2
14	Cybercon Gmbh	Rotkreuz	11-50	10	9
15	Bugscale	Lonay	11-50	10	7
16	Avantguard Cyber Security AG	Rapperswil	11-50	10	6
17	Protect7 Gmbh	Zurich	11-50	10	5
18	Scip AG	Zurich	11-50	10	3
19	Cnlab Security AG	Rapperswil-Jona	1-10	9	5
20	Stormtec	Zurich	1-10	7	3
21	Pentryx AG	Bern	1-10	6	4
22	Cyllective AG	n/a	11-50	4	4
23	Säfeli	Granges-Paccot	1-10	4	3
24	Kstone SA	Manno	1-10	4	2
25	Claireity Consulting	Kilchberg	1-10	3	2

Showing 25 of 73 application security consulting firms based in Switzerland

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Application security consulting firms based in Switzerland at a glance

As of Aug 28, 2026

1-10Median size (employees)

ZurichLargest hub · 11 HQs

16Contacts 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

Application security consulting firms by metro

Metro	Companies
Application security consulting firms in Zurich	11
Application security consulting firms in Basel	4
Application security consulting firms in Bern	4
Application security consulting firms in Lugano	4
Application security consulting firms in Lausanne	3
Application security consulting firms in Lonay	2
Application security consulting firms in Geneva	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 “application 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 application security consulting firms are there based in Switzerland?

There are 73 application 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 application security consulting firms?

Zurich leads with 11 headquartered companies, followed by Basel (4) and Bern (4).

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 309 verified decision-maker contacts tracked across these 73 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.