Company lists · Data verified August 2026

Top 25 Cybersecurity companies in Romania

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 113 companies tracked

Our directory lists 113 cybersecurity companies in Romania, with 8,662 professional contacts and 3,119 email addresses. The list was last updated in August 2026, and Bucharest 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.

113Companies

8,662Contacts tracked

3,119Verified emails

1,311Mobile numbers

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The 25 largest cybersecurity companies in Romania

Ranked by team size

Top 25 of 113 cybersecurity companies 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	Provision	n/a	11-50	116	28
3	Revelsi	Bucharest	51-200	66	24
4	Safetech Innovations	Bucharest	51-200	53	42
5	Cybergen	Bucharest	51-200	50	7
6	Cryptodata Tech	Bucharest	11-50	44	8
7	Data Core Systems, Romania	n/a	11-50	43	27
8	Cyber Threat Defense	Cluj-Napoca	51-200	34	14
9	Exclusive Networks Romania	Bucharest	11-50	29	18
10	BIT Sentinel	Bucharest	11-50	24	16
11	Fort Cyber	Bucharest	11-50	24	15
12	Nextgen Software	Bucuresti	11-50	21	12
13	Cybourn	Bucharest Bucharest	51-200	17	8
14	Omega Trust	Bucharest	11-50	14	7
15	Cymed Security Technologies	Bucharest	11-50	11	5
16	Cyber Smart Defence	Bucharest	11-50	11	2
17	D3 Cyber	Cluj-Napoca	1-10	8	5
18	Cyberlifehacks	Cluj-Napoca	1-10	7	4
19	Zamolxis	Bucharest	11-50	7	1
20	Intensec	n/a	11-50	6	2
21	Axyome	Craiova	1-10	6	1
22	Dotdna	Bucharest	11-50	5	5
23	Blackshell	Bucharest	11-50	5	3
24	Cybrops	Bucharest	11-50	5	2
25	Hackout Organization	Bucharest	11-50	4	3
26	Best Internet Security Biss	n/a	11-50	4	1
27	Eset Romania	Bucharest	11-50	3	2
28	Netrunners	Bucharest	11-50	2	1

Showing 25 of 113 cybersecurity companies in Romania

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Cybersecurity companies in Romania at a glance

As of Aug 28, 2026

1-10Median size (employees)

BucharestLargest hub · 46 HQs

1,311Contacts with mobile numbers

20Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

5,001-10,000

Companies by metro

Metro	Companies
Cybersecurity companies in Bucharest	46
Cybersecurity companies in Bucuresti	8
Cybersecurity companies in Cluj-Napoca	6
Cybersecurity companies in Timisoara	4
Cybersecurity companies in Brasov	4
Cybersecurity companies in Constanta	3
Cybersecurity companies in Iasi	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 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; 20 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 113 cybersecurity companies in Romania.

Which city has the most cybersecurity companies?

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

How many contacts are available for cybersecurity companies?

The directory includes 8,662 professional contacts and 3,119 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.