Company lists · Data verified August 2026

Top 20 Cybersecurity law firms based in Austria

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 35 companies tracked

There are 35 cybersecurity law firms headquartered in Austria (RevenueBase, August 2026). RevenueBase tracks 136 professional contacts across them, including 65 with verified work emails and 3 with mobile numbers. Wien is the largest hub.

This list covers cybersecurity law firms 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.

35Companies

136Contacts tracked

65Verified emails

3Mobile numbers

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The 20 largest cybersecurity law firms based in Austria

Ranked by team size

Top 20 of 35 cybersecurity law firms 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	Meineberater	Graz	1-10	10	4
4	Tcss Trusted Cyber Security Solutions Gmbh	n/a	11-50	10	3
5	Knyrim Trieb Attorneys At LAW	Wien	11-50	9	2
6	Slashsec RED Teaming Gmbh	Wien	1-10	6	2
7	Andreewitch & Partner Rechtsanwälte Gmbh	Wien	1-10	6	1
8	Secriso Consulting Gmbh	Klagenfurt Am Worthersee	1-10	5	3
9	Inibit Gmbh	St. Polten	1-10	4	1
10	OSM Solutions	Vienna	1-10	3	3
11	Nexus-It Gmbh	Euratsfeld	1-10	3	1
12	Cyberlutz Gmbh	Graz	1-10	3	1
13	Royer Kanzlei	Wien	1-10	3	1
14	Zettasecure	Wien	1-10	2	2
15	Finin Gmbh	Sistrans	1-10	2	2
16	Hergusec Cyber Security Gmbh	Brunn Am Gebirge	1-10	2	1
17	Tufo Cyber Security Gmbh	Wien	1-10	2	1
18	Rostech Gmbh	Innsbruck	1-10	1	1
19	Nullfaktor Gmbh	Vienna	1-10	1	1
20	Adversary Gmbh	Wien	1-10	1	1

Showing 20 of 35 cybersecurity law firms based in Austria

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Cybersecurity law firms based in Austria at a glance

As of Aug 28, 2026

1-10Median size (employees)

WienLargest hub · 12 HQs

3Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

Cybersecurity law firms by metro

Metro	Companies
Cybersecurity law firms in Wien	12
Cybersecurity law firms in Graz	5
Cybersecurity law firms in Vienna	5
Cybersecurity law firms in St. Polten	1
Cybersecurity law firms in Wels	1
Cybersecurity law firms in Innsbruck	1
Cybersecurity law firms in Brunn Am Gebirge	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 law firms”, 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 law firms are there based in Austria?

There are 35 cybersecurity law firms 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 law firms?

Wien leads with 12 headquartered companies, followed by Graz (5) and Vienna (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 65 verified decision-maker contacts tracked across these 35 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.