Company lists · Data verified August 2026

Top 11 Application security consulting firms based in Romania

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 34 companies tracked

There are 34 application security consulting firms headquartered in Romania (RevenueBase, August 2026). RevenueBase tracks 162 professional contacts across them, including 41 with verified work emails and 9 with mobile numbers. Bucharest is the largest hub.

This list covers application security consulting 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.

34Companies

162Contacts tracked

41Verified emails

9Mobile numbers

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The 11 largest application security consulting firms based in Romania

Ranked by team size

Top 11 of 34 application security consulting 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	Cyber Threat Defense	Cluj-Napoca	51-200	34	14
2	BIT Sentinel	Bucharest	11-50	24	16
3	Global Data	Bucharest	1-10	13	1
4	Cyber Smart Defence	Bucharest	11-50	11	2
5	Zamolxis	Bucharest	11-50	7	1
6	Cybrops	Bucharest	11-50	5	2
7	Best Internet Security Biss	n/a	11-50	4	1
8	Risktronics	n/a	1-10	2	1
9	Sectio Aurea	n/a	11-50	1	1
10	3rdgen Solutions	Corbeanca	1-10	1	1
11	Deshojo	Bucharest	1-10	1	1

Showing 11 of 34 application security consulting firms based in Romania

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Application security consulting firms based in Romania at a glance

As of Aug 28, 2026

1-10Median size (employees)

BucharestLargest hub · 20 HQs

9Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Application security consulting firms by metro

Metro	Companies
Application security consulting firms in Bucharest	20
Application security consulting firms in Cluj-Napoca	2
Application security consulting firms in Timisoara	2
Application security consulting firms in Bucuresti	2
Application security consulting firms in Suceava	1
Application security consulting firms in Buc	1
Application security consulting firms in Corbeanca	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 “application security consulting 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; 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 application security consulting firms are there based in Romania?

There are 34 application security consulting firms headquartered in Romania as of August 2026 (RevenueBase).

What is the largest company on this list?

Cyber Threat Defense, headquartered in Cluj-Napoca, tops this list with the largest team on record.

Which city has the most application security consulting firms?

Bucharest leads with 20 headquartered companies, followed by Cluj-Napoca (2) and Timisoara (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 41 verified decision-maker contacts tracked across these 34 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.