Company lists · Data verified August 2026

Top 25 Enterprise marketing agencies based in Belgium

Name: Enterprise 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 1,724 companies tracked

There are 1,724 enterprise marketing agencies headquartered in Belgium (RevenueBase, August 2026). RevenueBase tracks 13,437 professional contacts across them, including 4,066 with verified work emails and 504 with mobile numbers. Brussels is the largest hub.

This list covers enterprise 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.

1,724Companies

13,437Contacts tracked

4,066Verified emails

504Mobile numbers

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The 25 largest enterprise marketing agencies based in Belgium

Ranked by team size

Top 25 of 1,724 enterprise 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	IO	Brussels	1,001-5,000	3,702	1,035
2	Springbok Agency	Anderlecht	201-500	255	166
3	Tbwa Belgium	n/a	51-200	171	65
4	The House Of Marketing	Machelen Brussels	51-200	130	56
5	87seconds	n/a	51-200	121	54
6	Wisemen	Diepenbeek	51-200	70	16
7	The Reference	Ghent	51-200	64	25
8	Omcollective	Sint-Niklaas	51-200	60	40
9	D'm&s	Bruges	51-200	48	39
10	Havas Belgium	Brussels	51-200	48	5
11	JAJA	Gent	11-50	47	6
12	DJM Digital	Vise	11-50	45	33
13	Etail Agency Your Marketplace Partner	Watermael-Boitsfort Brussels	11-50	43	19
14	Strategie Agency	Hermee	51-200	40	16
15	These Days	Antwerp	51-200	32	3
16	Onlyhumans	n/a	51-200	31	19
17	Skinn Branding Agency	Brugge	11-50	29	16
18	BOA	Lauwe	11-50	28	20
19	D-Artagnan	Brugge	11-50	24	17
20	Dallas Antwerp	n/a	11-50	23	12
21	US	Kontich	11-50	22	16
22	In Fine	Liege	11-50	20	13
23	Dexville	Berchem	11-50	20	13
24	Idweaver	Waterloo	51-200	20	1
25	Accenture Song Belux	Leuven	51-200	19	9

Showing 25 of 1,724 enterprise marketing agencies based in Belgium

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Enterprise marketing agencies based in Belgium at a glance

As of Aug 28, 2026

1-10Median size (employees)

BrusselsLargest hub · 89 HQs

504Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

1,408

11-50

252

51-200

201-500

1,001-5,000

10001+

Enterprise marketing agencies by metro

Metro	Companies
Enterprise marketing agencies in Brussels	89
Enterprise marketing agencies in Antwerpen	74
Enterprise marketing agencies in Bruxelles	73
Enterprise marketing agencies in Gent	59
Enterprise marketing agencies in Antwerp	49
Enterprise marketing agencies in Liege	31
Enterprise marketing agencies in Hasselt	26

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 “enterprise 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; 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 enterprise marketing agencies are there based in Belgium?

There are 1,724 enterprise marketing agencies headquartered in Belgium as of August 2026 (RevenueBase).

What is the largest company on this list?

IO, headquartered in Brussels, tops this list with the largest team on record.

Which city has the most enterprise marketing agencies?

Brussels leads with 89 headquartered companies, followed by Antwerpen (74) and Bruxelles (73).

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 4,066 verified decision-maker contacts tracked across these 1,724 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.