Company lists · Data refreshed August 2026

Top 25 Advertising consulting firms based in Belgium

Name: Advertising consulting firms based in Belgium
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Aug 30, 2026 449 companies tracked

There are 449 advertising consulting firms headquartered in Belgium (RevenueBase, August 2026). RevenueBase tracks 2,750 professional contacts across them, including 706 with verified work emails and 140 with mobile numbers. Bruxelles is the largest hub.

This list covers advertising consulting firms headquartered in Belgium, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, how directly it supports the match, and when it was last checked. Data refreshed August 30, 2026.

449Companies

2,750Contacts tracked

706Verified emails

140Mobile numbers

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The 25 largest advertising consulting firms based in Belgium

Ranked by team size

Top 25 of 449 advertising consulting firms based in Belgium, ranked by team size, largest first. Data refreshed Aug 30, 2026. Evidence rates how directly each company's own description names advertising consulting firms: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#	Company	Headquarters	Employees	Contacts	Verified emails
1	EdisonIndirect evidence “we are there now.” Source: company website · checked Aug 30, 2026	Heverlee, Belgium	n/a	273	1
2	Tbwa BelgiumIndirect evidence “Not just about ads.” Source: company website · checked Aug 30, 2026	Belgium	51-200	171	65
3	The House Of MarketingPartial evidence “At The House of Marketing, we help our clients to transition towards profitable, sustainable growth through strategic marketing consulting and interim management.” Source: company website · checked Aug 30, 2026	Machelen Brussels, Belgium	51-200	130	56
4	D'm&sIndirect evidence “As a leading full-service communication agency with offices in Antwerp, Bruges and Brussels, we have been surprising clients with vivid cross-media and cross-border campaigns for…” Source: company website · checked Aug 30, 2026	Bruges, Belgium	51-200	48	39
5	Kixx Strategy In CommunicationIndirect evidence “Als marketingbureau graven we met ons team van experten, we noemen ze kernkrakers, tot in de kern van bedrijven.” Source: company website · checked Aug 30, 2026	Loppem, Belgium	11-50	37	19
6	The Right StreetIndirect evidence “The Right Street helps you navigate and shape the digital landscape.” Source: company website · checked Aug 30, 2026	Belgium	11-50	29	15
7	BOAIndirect evidence “Full service reclamebureau met 6 expertises: branding & grafisch ontwerp, strategie, websites, e-commerce, fotografie en video.” Source: company website · checked Aug 30, 2026	Lauwe, Belgium	11-50	28	20
8	Fightclub BEIndirect evidence “We put brands, companies and products on the (digital) rails for more leads, greater turnover and more business, by fusing creativity and performance.” Source: company website · checked Aug 30, 2026	Mechelen, Belgium	11-50	25	1
9	Claerhout NV CommunicatiehuisIndirect evidence “Wij helpen uw product of dienst te profileren en verkopen.” Source: company website · checked Aug 30, 2026	Gent, Belgium	11-50	24	2
10	Mediaplus BelgiumPartial evidence “Very HoC News - Monthly marketing & brand insights Subscribe here: https://shorturl.at/1kXuH MEDIAPLUS BELGIUM is a marketing and advertising company based out of 124 Bovenberg…” Source: company website · checked Aug 30, 2026	Woluwe-Saint-Pierre, Belgium	11-50	22	15
11	FavoriteIndirect evidence “Favorite is a digital marketing agency based in Zele.” Source: company website · checked Aug 30, 2026	Zele, Belgium	11-50	21	6
12	ComithIndirect evidence “Veel bedrijven lopen vandaag tegen dezelfde uitdagingen aan.” Source: company website · checked Aug 30, 2026	Affligem, Belgium	11-50	20	15
13	Accenture Song BeluxIndirect evidence “Accenture Song accelerates growth and value for our clients through sustained customer relevance.” Source: company website · checked Aug 30, 2026	Leuven, Belgium	51-200	19	9
14	Artex ReclamebureauIndirect evidence “WE GO ALL THE WAY Een straffe totaalcampagne, doordachte communicatie, een klein project of een opdracht met een strakke deadline?” Source: company website · checked Aug 30, 2026	Izegem, Belgium	11-50	18	8
15	King GeorgeIndirect evidence “King George is the mad creative agency based in Sint-Niklaas (HQ) and Amsterdam (Netherlands).” Source: company website · checked Aug 30, 2026	Sint-Niklaas, Belgium	11-50	17	10
16	JOE Public BelgiumPartial evidence “Great advertising made simple.” Source: company website · checked Aug 30, 2026	Mechelen, Belgium	11-50	16	10
17	King Of HeartsIndirect evidence “We are KING OF HEARTS.” Source: company website · checked Aug 30, 2026	Antwerpen, Belgium	11-50	16	7
18	Green Bananas MarketingIndirect evidence “Green Bananas zag het levenslicht in 2011.” Source: company website · checked Aug 30, 2026	Aalst, Belgium	11-50	15	5
19	GREATIndirect evidence “Welcome to Great: A Very Humble Communication Agency!” Source: company website · checked Aug 30, 2026	Molenbeek-Saint-Jean, Belgium	11-50	14	10
20	StrarexIndirect evidence “STRAREX is your full-service strategic marketing agency, and our dedicated team works with you and your team for sustainable business growth of your brand and organization.” Source: company website · checked Aug 30, 2026	Belgium	11-50	14	9
21	FullteamIndirect evidence “Fullteam est une agence de communication 360° active dans de nombreux secteurs, en B2B et B2C, avec une forte expertise en retail.” Source: company website · checked Aug 30, 2026	Nivelles Walloon, Belgium	11-50	14	6
22	Plug Branding AgencyIndirect evidence “Plug is een full-service branding agency.” Source: company website · checked Aug 30, 2026	Roeselare, Belgium	11-50	13	10
23	Lead OnIndirect evidence “Lead On dat is de dynamiek, flexibiliteit en no-nonsense van een start-up met heel wat jaren ervaring op de teller.” Source: company website · checked Aug 30, 2026	Erpe, Belgium	11-50	13	7
24	DigitiIndirect evidence “We are a full service agency with a well-rounded team of digital experts.” Source: company website · checked Aug 30, 2026	Zandhoven, Belgium	11-50	11	7
25	ABIndirect evidence “Als unbound agency maken we slim werk voor jouw merk.” Source: company website · checked Aug 30, 2026	Waregem, Belgium	11-50	11	3

Showing 25 of 449 advertising consulting firms based in Belgium

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Advertising consulting firms based in Belgium at a glance

As of Aug 30, 2026

1-10Median size (employees)

BruxellesLargest hub · 19 HQs

140Contacts with mobile numbers

Aug 30, 2026Data refreshed

Companies by employee count

1-10

365

11-50

51-200

201-500

Advertising consulting firms by metro

Metro	Companies
Advertising consulting firms in Bruxelles	19
Advertising consulting firms in Brussels	18
Advertising consulting firms in Gent	16
Advertising consulting firms in Antwerpen	13
Advertising consulting firms in Antwerp	9
Advertising consulting firms in Kortrijk	9
Advertising consulting firms in Liege	8

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among advertising consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and evidence rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
What qualifies: Companies headquartered in Belgium whose own description of what they do matches “advertising consulting firms”. Matching reads each company's description, not its industry code or its name.
What we exclude: Companies whose own description does not clearly place them among advertising consulting firms, and records with no verified work email. Companies headquartered outside Belgium are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and an evidence rating so you can judge each match yourself.
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: Every listed company carries at least one verified work email, 706 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on August 30, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

How many advertising consulting firms are there based in Belgium?

There are 449 advertising consulting firms 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 advertising consulting firms?

Bruxelles leads with 19 headquartered companies, followed by Brussels (18) and Gent (16).

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 706 verified decision-maker contacts tracked across these 449 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on August 30, 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.