Company lists · Data verified August 2026

Top 9 List building services based in Bucharest, Romania

Name: List building services based in Bucharest, Romania
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 37 companies tracked

There are 37 list building services headquartered in Bucharest, Romania (RevenueBase, August 2026). RevenueBase tracks 344 professional contacts across them, including 39 with verified work emails and 6 with mobile numbers. Bucharest is the largest hub.

This list covers list building services headquartered in Bucharest, 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.

37Companies

344Contacts tracked

39Verified emails

6Mobile numbers

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The 9 largest list building services based in Bucharest, Romania

Ranked by team size

Top 9 of 37 list building services based in Bucharest, 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	Optim Project Management	Bucharest	51-200	111	19
2	HB Design	Bucharest	11-50	20	7
	RevenueBasePublisher of this directory	Boston, MA	n/a	n/a	Try free
3	Mantor	Bucharest	11-50	12	3
4	PAB Group	Bucharest	11-50	9	5
5	Gpro Instal Consulting SRL	Bucharest	1-10	2	1
6	In House Design	Bucharest	1-10	2	1
7	Senaria	Bucharest	11-50	1	1
8	Magmastudio	Bucharest	1-10	1	1
9	Pintilie & Lihatchi Structure	Bucharest	1-10	1	1

Showing 9 of 37 list building services based in Bucharest, Romania

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List building services based in Bucharest, Romania at a glance

As of Aug 28, 2026

1-10Median size (employees)

BucharestLargest hub · 37 HQs

6Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

List building services by metro in Romania

Metro	Companies
List building services in Bucharest	37
List building services in Bucuresti	35
List building services in Cluj-Napoca	14
List building services in Iasi	7
List building services in Brasov	7
List building services in Timisoara	6
List building services in Constanta	4

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 “list building services”, with match quality audited by blind human judging, and headquartered in Bucharest, 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 list building services are there based in Bucharest, Romania?

There are 37 list building services headquartered in Bucharest, Romania as of August 2026 (RevenueBase).

What is the largest company on this list?

Optim Project Management, headquartered in Bucharest, tops this list with the largest team on record.

Which city has the most list building services?

Bucharest leads with 37 headquartered companies, followed by Bucuresti (35) and Cluj-Napoca (14).

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 39 verified decision-maker contacts tracked across these 37 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.