Company lists · Data verified August 2026

Top 25 Customer marketing agencies based in Belgium

Name: Customer 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 378 companies tracked

There are 378 customer marketing agencies headquartered in Belgium (RevenueBase, August 2026). RevenueBase tracks 3,006 professional contacts across them, including 688 with verified work emails and 163 with mobile numbers. Brussels is the largest hub.

This list covers customer 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.

378Companies

3,006Contacts tracked

688Verified emails

163Mobile numbers

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The 25 largest customer marketing agencies based in Belgium

Ranked by team size

Top 25 of 378 customer 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	Edison	Heverlee	n/a	273	1
2	Butik Agency	Antwerp	n/a	260	8
3	Impact Sales & Marketing Belux	Sint-Stevens-Woluwe Brussels	201-500	113	15
4	Sarawak Nederland	Groot-Bijgaarden	201-500	65	3
5	Field & Concept	Sint Lambrechts Woluwe	11-50	60	10
6	Pubmarket	Hasselt	11-50	59	27
7	Ignitionone	Diegem	201-500	52	4
8	Havas Belgium	Brussels	51-200	48	5
9	Etail Agency Your Marketplace Partner	Watermael-Boitsfort Brussels	11-50	43	19
10	Kixx Strategy In Communication	Loppem	11-50	37	19
11	Thau Benelux	Herent	11-50	33	16
12	Highco Data Benelux	Asse	11-50	32	12
13	Hashting	Lint	11-50	31	23
14	Onlyhumans	n/a	51-200	31	19
15	Atypic	Louvain La Neuve	11-50	29	12
16	Fightclub BE	Mechelen	11-50	25	1
17	Claerhout NV Communicatiehuis	Gent	11-50	24	2
18	AMI	Antwerpen	11-50	23	14
19	We ARE Digital	n/a	11-50	22	15
20	Like A Virgin	Kortrijk	11-50	22	13
21	Typhoon Hospitality	n/a	11-50	22	11
22	Remy Communication	Wijgmaal	11-50	21	12
23	Favorite	Zele	11-50	21	6
24	The DOT Society	Montevideo	11-50	20	15
25	Accenture Song Belux	Leuven	51-200	19	9

Showing 25 of 378 customer marketing agencies based in Belgium

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Customer marketing agencies based in Belgium at a glance

As of Aug 28, 2026

1-10Median size (employees)

BrusselsLargest hub · 16 HQs

163Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

295

11-50

51-200

201-500

5,001-10,000

Customer marketing agencies by metro

Metro	Companies
Customer marketing agencies in Brussels	16
Customer marketing agencies in Antwerpen	15
Customer marketing agencies in Antwerp	13
Customer marketing agencies in Bruxelles	12
Customer marketing agencies in Gent	11
Customer marketing agencies in Hasselt	9
Customer marketing agencies in Kortrijk	8

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 “customer 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; 1 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 customer marketing agencies are there based in Belgium?

There are 378 customer marketing agencies headquartered in Belgium as of August 2026 (RevenueBase).

What is the largest company on this list?

Edison, headquartered in Heverlee, tops this list with the largest team on record.

Which city has the most customer marketing agencies?

Brussels leads with 16 headquartered companies, followed by Antwerpen (15) and Antwerp (13).

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 688 verified decision-maker contacts tracked across these 378 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.