Company lists · Data verified August 2026

Top 25 B2B marketing agencies based in Belgium

Name: B2B marketing agencies based in Belgium
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 308 companies tracked

There are 308 B2B marketing agencies headquartered in Belgium (RevenueBase, August 2026). RevenueBase tracks 1,419 professional contacts across them, including 480 with verified work emails and 57 with mobile numbers. Antwerpen is the largest hub.

This list covers B2B marketing agencies headquartered in Belgium, 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.

308Companies

1,419Contacts tracked

480Verified emails

57Mobile numbers

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The 25 largest B2B marketing agencies based in Belgium

Ranked by team size

Top 25 of 308 B2B marketing agencies based in Belgium, 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	Omcollective	Sint-Niklaas	51-200	60	40
2	Pubmarket	Hasselt	11-50	59	27
3	Etail Agency Your Marketplace Partner	Watermael-Boitsfort Brussels	11-50	43	19
4	Living Stone	n/a	11-50	41	7
5	Fightclub BE	Mechelen	11-50	25	1
6	Handlangers	Gent	11-50	24	4
7	Favorite	Zele	11-50	21	6
8	The DOT Society	Montevideo	11-50	20	15
9	Maia Consulting	n/a	11-50	20	9
10	Think Tomorrow	Herentals	11-50	20	7
11	OOHO	Charleroi	11-50	19	10
12	Phobos & Actor Marketing And Design	Geel	11-50	18	8
13	Meteoris Digital Marketing Agency	Antwerpen	11-50	17	12
14	The Bakery	n/a	11-50	17	7
15	RED Pepper	n/a	11-50	17	5
16	Blue2purple	Watermael-Boitsfort Brussels	11-50	17	4
17	Propaganda Group	Gent	51-200	16	10
18	Green Bananas Marketing	Aalst	11-50	15	5
19	ARE Agency	Kontich	11-50	14	12
20	Fullteam	Nivelles Walloon	11-50	14	6
21	Lead On	Erpe	11-50	13	7
22	Aldrin Agency	Antwerpen	11-50	12	8
23	Idal- Elit Promo	Juprelle	51-200	12	1
24	Hummingbirds BV	Kortrijk	1-10	10	7
25	Biggie Benelux	Woluwe-Saint-Pierre Brussels	51-200	9	6

Showing 25 of 308 B2B marketing agencies based in Belgium

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B2B marketing agencies based in Belgium at a glance

As of Aug 28, 2026

1-10Median size (employees)

AntwerpenLargest hub · 16 HQs

57Contacts with mobile numbers

6Emails re-verified in last 30 days

Companies by employee count

1-10

258

11-50

51-200

201-500

B2B marketing agencies by metro

Metro	Companies
B2B marketing agencies in Antwerpen	16
B2B marketing agencies in Gent	14
B2B marketing agencies in Bruxelles	10
B2B marketing agencies in Brussels	10
B2B marketing agencies in Antwerp	8
B2B marketing agencies in Kortrijk	6
B2B marketing agencies in Genk	5

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 “B2B marketing agencies”, with match quality audited by blind human judging, and headquartered in Belgium.
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; 6 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 B2B marketing agencies are there based in Belgium?

There are 308 B2B marketing agencies headquartered in Belgium as of August 2026 (RevenueBase).

What is the largest company on this list?

Omcollective, headquartered in Sint-Niklaas, tops this list with the largest team on record.

Which city has the most B2B marketing agencies?

Antwerpen leads with 16 headquartered companies, followed by Gent (14) and Bruxelles (10).

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 480 verified decision-maker contacts tracked across these 308 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.