Company lists · Data refreshed September 2026

Top 25 Communications consultancies based in Belgium

RevenueBase identified 786 communications consultancies headquartered in Belgium as of September 2026 and tracks 6,330 professional contacts across them, including 1,946 with verified work emails and 194 with mobile numbers. Brussels is the largest hub.

This list covers communications consultancies 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, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review
786Companies
6,330Contacts tracked
1,946Verified emails
194Mobile numbers
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The 25 largest communications consultancies based in Belgium

Ranked by team size
Top 25 of 786 communications consultancies based in Belgium, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to communications consultancies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceBrussels, BelgiumHQ checked Sep 28, 202651-200226 contacts →

Partial evidence

“Established in 1986, European Service Network (ESN) is today one of the leading communications agencies and information service providers in Brussels serving private- and…”

Source: RevenueBase Database · checked Sep 28, 2026
2Partial evidenceAntwerpen, BelgiumHQ checked Sep 28, 2026n/a225 contacts →

Partial evidence

“We're a Benelux bases strategic and creative PR & communications agency based in Amsterdam, Antwerp and Brussels • PR & communication • Influencer marketing, content creation &…”

Source: RevenueBase Database · checked Sep 28, 2026
3Indirect evidenceBrussels, BelgiumHQ checked Sep 28, 2026n/a163 contacts →

Indirect evidence

“Political Intelligence is an independent public affairs consultancy, with offices in Brussels, Lisbon, London, Madrid.”

Source: RevenueBase Database · checked Sep 28, 2026
4Partial evidenceBelgiumHQ checked Sep 28, 2026201-500120 contacts →

Partial evidence

“Rud Pedersen Public Affairs is a rapidly growing Public Affairs consultancy and one of the largest European consultancies specializing in the field.”

Source: RevenueBase Database · checked Sep 28, 2026
5Indirect evidenceBrussels, BelgiumHQ checked Sep 28, 202651-200111 contacts →

Indirect evidence

“Since 2002, RPP Group has specialized in policy development as a driver of public affairs.”

Source: RevenueBase Database · checked Sep 28, 2026
6Partial evidenceBelgiumHQ checked Sep 28, 202651-200104 contacts →

Partial evidence

“Cecoforma Events & Communication is a global communication agency with 25 years of experience in delivering quality and costeffective results to a variety of institutional and…”

Source: RevenueBase Database · checked Sep 28, 2026
7Indirect evidenceBrussels, BelgiumHQ checked Sep 28, 202651-200102 contacts →

Indirect evidence

“We’re a team of solution finders, consensus builders, policy wonks, political navigators, debate shapers and policy movers.”

Source: RevenueBase Database · checked Sep 28, 2026
8Indirect evidenceBrussels, BelgiumHQ checked Sep 28, 202651-20094 contacts →

Indirect evidence

“Acumen Public Affairs is an independent consultancy set up in 2010 to combine the very best of big agency experience with hands-on senior support.”

Source: RevenueBase Database · checked Sep 28, 2026
9Partial evidenceBrussels, BelgiumHQ checked Sep 28, 202651-20091 contacts →

Partial evidence

“Tipik is a Brussels-based communications agency with a partner network in 32 countries.”

Source: RevenueBase Database · checked Sep 28, 2026
10Partial evidenceZaventem, BelgiumHQ checked Sep 28, 202611-5089 contacts →

Partial evidence

“We are a communication and consultancy agency, and we know one thing: traditional advertising is dead.”

Source: RevenueBase Database · checked Sep 28, 2026
11Indirect evidenceBrussels, BelgiumHQ checked Sep 28, 202611-5086 contacts →

Indirect evidence

“EPPA is a specialist management consultancy established in 1987 that assists clients in managing alignment between business, European Union institutions and governments, taking…”

Source: RevenueBase Database · checked Sep 28, 2026
12Indirect evidenceKampenhout, BelgiumHQ checked Sep 28, 202651-20069 contacts →

Indirect evidence

“Succesvol communiceren vandaag?”

Source: RevenueBase Database · checked Sep 28, 2026
13Indirect evidenceWatermael-boitsfort, BelgiumHQ checked Sep 28, 202651-20067 contacts →

Indirect evidence

“We believe in the value of brands and their incredible potential for growth.”

Source: RevenueBase Database · checked Sep 28, 2026
14Indirect evidenceBrussels, BelgiumHQ checked Sep 28, 202611-5056 contacts →

Indirect evidence

“akkanto is an independent consultancy that aims to pro-actively manage organisations’ reputations and relations with all stakeholders through reputation management, employee…”

Source: RevenueBase Database · checked Sep 28, 2026
15Partial evidenceWierde, BelgiumHQ checked Sep 28, 202611-5053 contacts →

Partial evidence

“Expansion est une agence intégrée de marketing et communication.”

Source: RevenueBase Database · checked Sep 28, 2026
16Indirect evidenceBrussels, BelgiumHQ checked Sep 28, 202611-5053 contacts →

Indirect evidence

“logos is a public affairs consultancy headquartered in Brussels.”

Source: RevenueBase Database · checked Sep 28, 2026
17Partial evidenceBruges, BelgiumHQ checked Sep 28, 202651-20047 contacts →

Partial 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: RevenueBase Database · checked Sep 28, 2026
18Indirect evidenceBrussels, BelgiumHQ checked Sep 28, 202611-5047 contacts →

Indirect evidence

“Stakeholder oriented, objective driven.”

Source: RevenueBase Database · checked Sep 28, 2026
19Partial evidenceBrussels, BelgiumHQ checked Sep 28, 202611-5045 contacts →

Partial evidence

“CLERENS is a leading public affairs and communications consultancy based in Brussels.”

Source: RevenueBase Database · checked Sep 28, 2026
20Partial evidenceAntwerp, BelgiumHQ checked Sep 28, 202611-5044 contacts →

Partial evidence

“MediaMixer is an independent communications partner that thinks along with you and skilfully guides you through the hybrid online–offline world.”

Source: RevenueBase Database · checked Sep 28, 2026
21Partial evidenceBarchon, BelgiumHQ checked Sep 28, 202611-5044 contacts →

Partial evidence

“Cible est une tribu polyvalente et engagée composée de 24 experts créatifs en communication répartis en 5 pôles complémentaires : • STRATEGY : Notre méthodologie spécifique permet…”

Source: RevenueBase Database · checked Sep 28, 2026
22Partial evidenceBrussels, BelgiumHQ checked Sep 28, 202611-5041 contacts →

Partial evidence

“NOVE is an advisory agency in public affairs and communication in Brussels.”

Source: RevenueBase Database · checked Sep 28, 2026
23Indirect evidenceGent, BelgiumHQ checked Sep 28, 202611-5039 contacts →

Indirect evidence

“Ontwerp- en communicatiebureau”

Source: RevenueBase Database · checked Sep 28, 2026
24Indirect evidenceSint-truiden, BelgiumHQ checked Sep 28, 202611-5038 contacts →

Indirect evidence

“Als full service communicatiebureau vertelt Idearté jouw verhaal.”

Source: RevenueBase Database · checked Sep 28, 2026
25Partial evidenceKortrijk, BelgiumHQ checked Sep 28, 202611-5037 contacts →

Partial evidence

“Focus Advertising is a communication agency based in Kortrijk (Belgium).”

Source: RevenueBase Database · checked Sep 28, 2026

Showing 25 of 786 communications consultancies based in Belgium

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Communications consultancies based in Belgium at a glance

As of Sep 28, 2026
30.7%Verified-email coverage
3.1%Mobile-number coverage
8.1Average contacts per company
1-10Median size (employees)
13.2%Largest-city concentration · Brussels
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
620
11-50
124
51-200
32
201-500
1
501-1,000
1
1,001-5,000
2

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 30.0d

Company record updated

Median 84.0d

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 communications consultancies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Belgium whose own description of what they do matches “communications consultancies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names communications consultancies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among communications consultancies, 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 its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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, 1,946 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 September 28, 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

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names communications consultancies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many communications consultancies are there based in Belgium?

RevenueBase identified 786 communications consultancies headquartered in Belgium as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

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

Which city has the most communications consultancies?

Brussels leads with 104 headquartered companies, followed by Bruxelles (48) and Antwerpen (23).

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 1,946 verified decision-maker contacts tracked across these 786 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.