Company lists · Data verified August 2026

Top 25 Advertising agencies based in Bucharest, Romania

Name: Advertising agencies based in Bucharest, Romania
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 213 companies tracked

There are 213 advertising agencies headquartered in Bucharest, Romania (RevenueBase, August 2026). RevenueBase tracks 1,766 professional contacts across them, including 347 with verified work emails and 27 with mobile numbers. Bucharest is the largest hub.

This list covers advertising agencies 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.

213Companies

1,766Contacts tracked

347Verified emails

27Mobile numbers

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The 25 largest advertising agencies based in Bucharest, Romania

Ranked by team size

Top 25 of 213 advertising agencies 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	Mercury 360	Bucharest	51-200	158	55
2	Fieldstar	Bucharest	51-200	154	48
3	LEO Bucharest	Bucharest	51-200	68	40
4	Leykom Import Export	Bucharest	51-200	26	17
5	Friends Tbwa	Bucharest	11-50	23	13
6	Headvertising	Bucharest	11-50	23	1
7	Spotlight	Bucharest	11-50	19	1
8	Minio Studio	Bucharest	11-50	18	11
9	Omniperform Agency	Bucharest	11-50	18	10
10	United Media Services	Bucharest	51-200	15	7
11	Thegroup Romania	Bucharest	201-500	15	2
12	Line Agency	Bucharest	11-50	14	11
13	Webstyler	Bucharest	11-50	13	6
14	Difrnt	Bucharest	11-50	13	5
15	Frank Group	Bucharest	11-50	13	3
16	Rusu Borțun	Bucharest	11-50	13	3
17	Harmony Advertising	Bucharest	11-50	13	1
18	Bigger Picture Solutions - BPS	Bucharest	11-50	11	7
19	Brands&bears	Bucharest	11-50	9	4
20	Hexagon Romania	Bucharest	11-50	8	6
21	Tempo Advertising Romania	Bucharest	11-50	8	5
22	Ontheroof	Bucharest	11-50	8	4
23	Webtailors Romania	Bucharest	11-50	7	3
24	Rainbowidea	Bucharest	11-50	7	3
25	The Geeks Bucharest	Bucharest	11-50	4	2

Showing 25 of 213 advertising agencies based in Bucharest, Romania

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 347 reachable decision-makers.

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Advertising agencies based in Bucharest, Romania at a glance

As of Aug 28, 2026

1-10Median size (employees)

BucharestLargest hub · 213 HQs

27Contacts with mobile numbers

2Emails re-verified in last 30 days

Companies by employee count

1-10

144

11-50

51-200

201-500

Advertising agencies by metro in Romania

Metro	Companies
Advertising agencies in Bucharest	213
Advertising agencies in Bucuresti	85
Advertising agencies in Cluj-Napoca	29
Advertising agencies in Iasi	22
Advertising agencies in Timisoara	19
Advertising agencies in Oradea	16
Advertising agencies in Brasov	15

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 “advertising agencies”, 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; 2 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 advertising agencies are there based in Bucharest, Romania?

There are 213 advertising agencies headquartered in Bucharest, Romania as of August 2026 (RevenueBase).

What is the largest company on this list?

Mercury 360, headquartered in Bucharest, tops this list with the largest team on record.

Which city has the most advertising agencies?

Bucharest leads with 213 headquartered companies, followed by Bucuresti (85) and Cluj-Napoca (29).

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 347 verified decision-maker contacts tracked across these 213 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.