Company lists · Data verified August 2026

Top 17 AI cybersecurity companies based in Romania

Name: AI cybersecurity companies based in Romania
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

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

There are 32 AI cybersecurity companies headquartered in Romania (RevenueBase, August 2026). RevenueBase tracks 8,126 professional contacts across them, including 3,007 with verified work emails and 1,291 with mobile numbers. Bucharest is the largest hub.

This list covers AI cybersecurity companies headquartered in Romania, 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.

32Companies

8,126Contacts tracked

3,007Verified emails

1,291Mobile numbers

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The 17 largest AI cybersecurity companies based in Romania

Ranked by team size

Top 17 of 32 AI cybersecurity companies based in Romania, 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	Check Point Software	n/a	5,001-10,000	7,777	2,845
2	Revelsi	Bucharest	51-200	66	24
3	Safetech Innovations	Bucharest	51-200	53	42
4	Cryptodata Tech	Bucharest	11-50	44	8
5	Data Core Systems, Romania	n/a	11-50	43	27
6	Cyber Threat Defense	Cluj-Napoca	51-200	34	14
7	Fort Cyber	Bucharest	11-50	24	15
8	Nextgen Software	Bucuresti	11-50	21	12
9	D3 Cyber	Cluj-Napoca	1-10	8	5
10	Axyome	Craiova	1-10	6	1
11	Dotdna	Bucharest	11-50	5	5
12	Blackshell	Bucharest	11-50	5	3
13	Best Internet Security Biss	n/a	11-50	4	1
14	Eset Romania	Bucharest	11-50	3	2
15	Sectio Aurea	n/a	11-50	1	1
16	TLN Computer	Brasov	1-10	1	1
17	Panthero	Satu Mare	1-10	1	1

Showing 17 of 32 AI cybersecurity companies based in Romania

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AI cybersecurity companies based in Romania at a glance

As of Aug 28, 2026

1-10Median size (employees)

BucharestLargest hub · 14 HQs

1,291Contacts with mobile numbers

18Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

5,001-10,000

AI cybersecurity companies by metro

Metro	Companies
AI cybersecurity companies in Bucharest	14
AI cybersecurity companies in Cluj-Napoca	3
AI cybersecurity companies in Bucuresti	2
AI cybersecurity companies in Suceava	1
AI cybersecurity companies in Satu Mare	1
AI cybersecurity companies in Bucharest Bucharest	1
AI cybersecurity companies in Bragadiru	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 “AI cybersecurity companies”, with match quality audited by blind human judging, and headquartered in Romania.
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; 18 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 AI cybersecurity companies are there based in Romania?

There are 32 AI cybersecurity companies headquartered in Romania as of August 2026 (RevenueBase).

What is the largest company on this list?

Check Point Software, headquartered in Romania, tops this list with the largest team on record.

Which city has the most AI cybersecurity companies?

Bucharest leads with 14 headquartered companies, followed by Cluj-Napoca (3) and Bucuresti (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 3,007 verified decision-maker contacts tracked across these 32 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.