Company lists · Data verified August 2026

Top 19 Cybersecurity companies based in Wien, Austria

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 32 companies tracked

Our directory lists 32 cybersecurity companies based in Wien, Austria, with 367 professional contacts and 211 email addresses. The list was last updated in August 2026, and Wien is the single most-represented city among the companies listed.

Cybersecurity companies provide products and services that protect systems, networks, applications, devices, and data from unauthorized access, disruption, or misuse. This list covers companies that provide cybersecurity products, services, consulting, assessments, monitoring, incident response, or related protection for digital systems and data. Ranked by team size, largest first. Data current as of August 28, 2026.

32Companies

367Contacts tracked

211Verified emails

4Mobile numbers

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The 19 largest cybersecurity companies based in Wien, Austria

Ranked by team size

Top 19 of 32 cybersecurity companies based in Wien, 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	Infoguard AG	Wien	201-500	202	122
2	Certitude Consulting Gmbh	Wien	11-50	25	17
3	Schoeller Network Control	Wien	201-500	23	18
4	Digit Solutions Gmbh	Wien	51-200	23	11
5	TÜV Trust IT At	Wien	51-200	16	12
6	C4sam	Wien	1-10	14	7
7	R4c	Wien	1-10	9	3
8	A-Team Rocks Consulting	Wien	1-10	6	4
9	Clickwise	Wien	1-10	6	3
10	Slashsec RED Teaming Gmbh	Wien	1-10	6	2
11	Rysit Consulting Gmbh	Wien	1-10	4	2
12	Zettasecure	Wien	1-10	2	2
13	Comm-It EDV Dienstleistungsgmbh	Wien	1-10	2	2
14	Primefaktor	Wien	1-10	2	1
15	Tufo Cyber Security Gmbh	Wien	1-10	2	1
16	PCS It-Security Gmbh	Wien	51-200	1	1
17	Weber Consulting KG	Wien	1-10	1	1
18	Inforitas Information Security Management Services	Wien	1-10	1	1
19	Adversary Gmbh	Wien	1-10	1	1

Showing 19 of 32 cybersecurity companies based in Wien, Austria

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Cybersecurity companies based in Wien, Austria at a glance

As of Aug 28, 2026

1-10Median size (employees)

WienLargest hub · 32 HQs

4Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

Cybersecurity companies by metro in Austria

Metro	Companies
Cybersecurity companies in Wien	32
Cybersecurity companies in Vienna	13
Cybersecurity companies in Graz	9
Cybersecurity companies in Salzburg	4
Cybersecurity companies in Brunn Am Gebirge	3
Cybersecurity companies in Wels	3
Cybersecurity companies in Innsbruck	3

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 companies”, with match quality audited by blind human judging, and headquartered in Wien, 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 companies are in the directory?

The directory lists 32 cybersecurity companies based in Wien, Austria.

Which city has the most cybersecurity companies?

Wien is the single most-represented city among the cybersecurity companies on the list.

How many contacts are available for cybersecurity companies?

The directory includes 367 professional contacts and 211 email addresses for the listed cybersecurity companies.

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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.