Company lists · Data verified August 2026

Top 15 Api security companies based in Austria

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 26 companies tracked

There are 26 api security companies headquartered in Austria (RevenueBase, August 2026). RevenueBase tracks 119 professional contacts across them, including 68 with verified work emails and 1 with mobile numbers. Wien is the largest hub.

This list covers api security 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.

26Companies

119Contacts tracked

68Verified emails

1Mobile numbers

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The 15 largest api security companies based in Austria

Ranked by team size

Top 15 of 26 api security 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	Snapsec Gmbh	Vorchdorf	1-10	13	7
4	Strong-It Gmbh	Innsbruck	11-50	10	7
5	R4c	Wien	1-10	9	3
6	Syslifters	Gollersdorf	1-10	6	6
7	Slashsec RED Teaming Gmbh	Wien	1-10	6	2
8	Zettasecure	Wien	1-10	2	2
9	Secinto Gmbh	Deutschlandsberg	1-10	2	2
10	CYBS	Lustenau	1-10	2	1
11	Tufo Cyber Security Gmbh	Wien	1-10	2	1
12	Vidrasec	Aigen-Schlagl	1-10	1	1
13	Arctaros Gmbh	Graz	1-10	1	1
14	Nullfaktor Gmbh	Vienna	1-10	1	1
15	Adversary Gmbh	Wien	1-10	1	1

Showing 15 of 26 api security companies based in Austria

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Api security companies based in Austria at a glance

As of Aug 28, 2026

1-10Median size (employees)

WienLargest hub · 9 HQs

1Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Api security companies by metro

Metro	Companies
Api security companies in Wien	9
Api security companies in Vienna	4
Api security companies in Graz	2
Api security companies in Innsbruck	1
Api security companies in Orth An Der Donau	1
Api security companies in Gollersdorf	1
Api security companies in Aigen-Schlagl	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 “api security 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 api security companies are there based in Austria?

There are 26 api security 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 api security companies?

Wien leads with 9 headquartered companies, followed by Vienna (4) and Graz (2).

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 68 verified decision-maker contacts tracked across these 26 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.