Company lists · Data verified August 2026

Top 25 Cybersecurity service providers based in Romania

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 102 companies tracked

There are 102 cybersecurity service providers headquartered in Romania (RevenueBase, August 2026). RevenueBase tracks 715 professional contacts across them, including 237 with verified work emails and 20 with mobile numbers. Bucharest is the largest hub.

This list covers cybersecurity service providers 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.

102Companies

715Contacts tracked

237Verified emails

20Mobile numbers

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The 25 largest cybersecurity service providers based in Romania

Ranked by team size

Top 25 of 102 cybersecurity service providers 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	Provision	n/a	11-50	116	28
2	Revelsi	Bucharest	51-200	66	24
3	Safetech Innovations	Bucharest	51-200	53	42
4	Cybergen	Bucharest	51-200	50	7
5	Data Core Systems, Romania	n/a	11-50	43	27
6	Cyber Threat Defense	Cluj-Napoca	51-200	34	14
7	BIT Sentinel	Bucharest	11-50	24	16
8	Fort Cyber	Bucharest	11-50	24	15
9	Cybourn	Bucharest Bucharest	51-200	17	8
10	Omega Trust	Bucharest	11-50	14	7
11	infinilink.com	Bucuresti	11-50	13	1
12	Global Data	Bucharest	1-10	13	1
13	Cymed Security Technologies	Bucharest	11-50	11	5
14	Cyber Smart Defence	Bucharest	11-50	11	2
15	D3 Cyber	Cluj-Napoca	1-10	8	5
16	Cyberlifehacks	Cluj-Napoca	1-10	7	4
17	Zamolxis	Bucharest	11-50	7	1
18	Intensec	n/a	11-50	6	2
19	Axyome	Craiova	1-10	6	1
20	Dotdna	Bucharest	11-50	5	5
21	Blackshell	Bucharest	11-50	5	3
22	Cybrops	Bucharest	11-50	5	2
23	Zemernett	Bucuresti	11-50	5	1
24	Best Internet Security Biss	n/a	11-50	4	1
25	Eset Romania	Bucharest	11-50	3	2

Showing 25 of 102 cybersecurity service providers based in Romania

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Cybersecurity service providers based in Romania at a glance

As of Aug 28, 2026

1-10Median size (employees)

BucharestLargest hub · 42 HQs

20Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

Cybersecurity service providers by metro

Metro	Companies
Cybersecurity service providers in Bucharest	42
Cybersecurity service providers in Cluj-Napoca	7
Cybersecurity service providers in Bucuresti	7
Cybersecurity service providers in Timisoara	5
Cybersecurity service providers in Constanta	4
Cybersecurity service providers in Iasi	4
Cybersecurity service providers in Bucharest Bucharest	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 service providers”, 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; 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 service providers are there based in Romania?

There are 102 cybersecurity service providers headquartered in Romania as of August 2026 (RevenueBase).

What is the largest company on this list?

Provision, headquartered in Romania, tops this list with the largest team on record.

Which city has the most cybersecurity service providers?

Bucharest leads with 42 headquartered companies, followed by Cluj-Napoca (7) and Bucuresti (7).

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 237 verified decision-maker contacts tracked across these 102 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.