Company lists · Data verified August 2026

Top 25 Cybersecurity firms based in Romania

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 110 companies tracked

There are 110 cybersecurity firms headquartered in Romania (RevenueBase, August 2026). RevenueBase tracks 8,639 professional contacts across them, including 3,121 with verified work emails and 1,310 with mobile numbers. Bucharest is the largest hub.

This list covers cybersecurity firms 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.

110Companies

8,639Contacts tracked

3,121Verified emails

1,310Mobile numbers

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The 25 largest cybersecurity firms based in Romania

Ranked by team size

Top 25 of 110 cybersecurity firms 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	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	Global Data	Bucharest	1-10	13	1
16	Cymed Security Technologies	Bucharest	11-50	11	5
17	Houndbytes	Bucharest	11-50	11	3
18	Cyber Smart Defence	Bucharest	11-50	11	2
19	D3 Cyber	Cluj-Napoca	1-10	8	5
20	Cyberlifehacks	Cluj-Napoca	1-10	7	4
21	Zamolxis	Bucharest	11-50	7	1
22	Intensec	n/a	11-50	6	2
23	Axyome	Craiova	1-10	6	1
24	Dotdna	Bucharest	11-50	5	5
25	Blackshell	Bucharest	11-50	5	3

Showing 25 of 110 cybersecurity firms based in Romania

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Cybersecurity firms based in Romania at a glance

As of Aug 28, 2026

1-10Median size (employees)

BucharestLargest hub · 47 HQs

1,310Contacts with mobile numbers

5Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

5,001-10,000

Cybersecurity firms by metro

Metro	Companies
Cybersecurity firms in Bucharest	47
Cybersecurity firms in Bucuresti	10
Cybersecurity firms in Cluj-Napoca	6
Cybersecurity firms in Constanta	4
Cybersecurity firms in Timisoara	4
Cybersecurity firms in Iasi	3
Cybersecurity firms in Oradea	2

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 firms”, 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; 5 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 firms are there based in Romania?

There are 110 cybersecurity firms 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 cybersecurity firms?

Bucharest leads with 47 headquartered companies, followed by Bucuresti (10) and Cluj-Napoca (6).

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 3,121 verified decision-maker contacts tracked across these 110 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.