Company lists · Data verified August 2026

Top 25 Digital advertising agencies based in Belgium

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 804 companies tracked

There are 804 digital advertising agencies headquartered in Belgium (RevenueBase, August 2026). RevenueBase tracks 7,516 professional contacts across them, including 2,142 with verified work emails and 301 with mobile numbers. Bruxelles is the largest hub.

This list covers digital advertising 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.

804Companies

7,516Contacts tracked

2,142Verified emails

301Mobile numbers

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The 25 largest digital advertising agencies based in Belgium

Ranked by team size

Top 25 of 804 digital advertising 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	Axecibles	Waterloo	51-200	197	52
3	FCR Media Belgium	n/a	201-500	169	72
4	Wisemen	Diepenbeek	51-200	70	16
5	Omcollective	Sint-Niklaas	51-200	60	40
6	Synchrone	Barchon	11-50	41	21
7	Bluetime SA	Auderghem	11-50	39	27
8	Kixx Strategy In Communication	Loppem	11-50	37	19
9	Bossdata	n/a	11-50	32	22
10	Wingman Agency	Antwerp	11-50	32	15
11	These Days	Antwerp	51-200	32	3
12	Onlyhumans	n/a	51-200	31	19
13	Tunity	n/a	11-50	30	14
14	Eteamsys	Liege	11-50	30	5
15	Creatic Digital Agency	Pelt	11-50	24	16
16	E-Net	Floreffe	11-50	23	12
17	US	Kontich	11-50	22	16
18	We ARE Digital	n/a	11-50	22	15
19	Synapse Agency	n/a	11-50	22	11
20	Remy Communication	Wijgmaal	11-50	21	12
21	Favorite	Zele	11-50	21	6
22	Dexville	Berchem	11-50	20	13
23	Idweaver	Waterloo	51-200	20	1
24	DHS Digital	Bruxelles	11-50	19	7
25	Knewledge	Auderghem Brussels	11-50	19	2

Showing 25 of 804 digital advertising agencies based in Belgium

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Digital advertising agencies based in Belgium at a glance

As of Aug 28, 2026

1-10Median size (employees)

BruxellesLargest hub · 34 HQs

301Contacts with mobile numbers

7Emails re-verified in last 30 days

Companies by employee count

1-10

701

11-50

51-200

201-500

1,001-5,000

Digital advertising agencies by metro

Metro	Companies
Digital advertising agencies in Bruxelles	34
Digital advertising agencies in Antwerpen	32
Digital advertising agencies in Brussels	30
Digital advertising agencies in Gent	23
Digital advertising agencies in Antwerp	22
Digital advertising agencies in Liege	19
Digital advertising agencies in Kortrijk	12

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 “digital advertising 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; 7 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 digital advertising agencies are there based in Belgium?

There are 804 digital advertising 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 digital advertising agencies?

Bruxelles leads with 34 headquartered companies, followed by Antwerpen (32) and Brussels (30).

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 2,142 verified decision-maker contacts tracked across these 804 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.