Company lists · Data verified August 2026

Top 25 Cybersecurity audit companies based in Austria

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 53 companies tracked

There are 53 cybersecurity audit companies headquartered in Austria (RevenueBase, August 2026). RevenueBase tracks 243 professional contacts across them, including 145 with verified work emails and 3 with mobile numbers. Wien is the largest hub.

This list covers cybersecurity audit companies headquartered in Austria, 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.

53Companies

243Contacts tracked

145Verified emails

3Mobile numbers

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The 25 largest cybersecurity audit companies based in Austria

Ranked by team size

Top 25 of 53 cybersecurity audit companies based in Austria, 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	Certitude Consulting Gmbh	Wien	11-50	25	17
2	Certainity	Vienna	11-50	18	16
3	GAI Netconsult Gmbh	n/a	11-50	18	9
4	TÜV Trust IT At	Wien	51-200	16	12
5	C4sam	Wien	1-10	14	7
6	Snapsec Gmbh	Vorchdorf	1-10	13	7
7	Lywand Software Gmbh	St. Polten	11-50	11	9
8	Strong-It Gmbh	Innsbruck	11-50	10	7
9	Sec4you Advanced It-Audit Services Gmbh	Stumm	11-50	10	5
10	R4c	Wien	1-10	9	3
11	Cyriso Cyber Risk Solutions	n/a	1-10	8	5
12	Agentur Cyberschutz	Traiskirchen	11-50	7	7
13	Newmotion IT Services Gmbh	n/a	11-50	5	4
14	Solbytech Gmbh	Zederhaus	1-10	5	4
15	BEE Security	Schweinern	1-10	5	3
16	Inibit Gmbh	St. Polten	1-10	4	1
17	OSM Solutions	Vienna	1-10	3	3
18	Cyberdanube	Vienna	1-10	3	2
19	Cyberlutz Gmbh	Graz	1-10	3	1
20	C3 IT Gmbh	Boheimkirchen	1-10	2	2
21	Finin Gmbh	Sistrans	1-10	2	2
22	Zettasecure	Wien	1-10	2	2
23	Secinto Gmbh	Deutschlandsberg	1-10	2	2
24	Gsiplus Information Security Gmbh & CO KG	Hochst	1-10	2	2
25	CYBS	Lustenau	1-10	2	1

Showing 25 of 53 cybersecurity audit companies based in Austria

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Cybersecurity audit companies based in Austria at a glance

As of Aug 28, 2026

1-10Median size (employees)

WienLargest hub · 11 HQs

3Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

10001+

Cybersecurity audit companies by metro

Metro	Companies
Cybersecurity audit companies in Wien	11
Cybersecurity audit companies in Vienna	7
Cybersecurity audit companies in Graz	5
Cybersecurity audit companies in Innsbruck	3
Cybersecurity audit companies in Salzburg	2
Cybersecurity audit companies in St. Polten	2
Cybersecurity audit companies in Traiskirchen	1

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 audit companies”, with match quality audited by blind human judging, and headquartered in Austria.
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 audit companies are there based in Austria?

There are 53 cybersecurity audit companies headquartered in Austria as of August 2026 (RevenueBase).

What is the largest company on this list?

Certitude Consulting Gmbh, headquartered in Wien, tops this list with the largest team on record.

Which city has the most cybersecurity audit companies?

Wien leads with 11 headquartered companies, followed by Vienna (7) and Graz (5).

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 145 verified decision-maker contacts tracked across these 53 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.