Company lists · Data refreshed October 2026

Top 25 Internal communications consulting firms based in Belgium

RevenueBase identified 483 company matches for internal communications consulting firms associated with Belgium as of October 2026 and tracks 3,789 professional contacts across them, including 806 with verified work emails and 99 with mobile numbers. Brussels is the largest hub.

This list covers company matches for internal communications consulting firms associated with Belgium, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 1, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Oct 1, 2026 How this list was built
483Companies
3,789Contacts tracked
806Verified emails
99Mobile numbers
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The 25 largest internal communications consulting firms based in Belgium

Ranked by team size
Top 25 of 483 company matches for internal communications consulting firms based in Belgium, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchGhent, BelgiumHQ recorded Oct 1, 2026501-1,00093 contacts →

Exact match

“On March 13, 2023, InSites Consulting rebranded to Human8, the new human-driven consultancy that connects brands with people and culture to drive positive change.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2Exact matchBrussels, BelgiumHQ recorded Oct 1, 202651-20091 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3Exact matchKontich, BelgiumHQ recorded Oct 1, 202651-20075 contacts →

Exact match

“Trilations provides business insights and works with you every day to define and implement winning strategies.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4Exact matchLandegem (deinze), BelgiumHQ recorded Oct 1, 202651-20059 contacts →

Exact match

“In4Matic is an IT-consulting company with over 25 years of experience that delivers IT services to several business sectors.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5Exact matchBrussels, BelgiumHQ recorded Oct 1, 202611-5056 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6Exact matchWierde, BelgiumHQ recorded Oct 1, 202611-5053 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7Exact matchBrussels, BelgiumHQ recorded Oct 1, 202611-5047 contacts →

Exact match

“Stakeholder oriented, objective driven.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8Exact matchBrussels, BelgiumHQ recorded Oct 1, 20261,001-5,00034 contacts →

Exact match

“We’re now ICF Next, your strategic partner for engagement and transformation.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9Exact matchZwijnaarde, BelgiumHQ recorded Oct 1, 202611-5033 contacts →

Exact match

“People are not resources.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10Exact matchBerchem, BelgiumHQ recorded Oct 1, 202611-5030 contacts →

Exact match

“WHYFIVE supports companies in their Marketing Strategy.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11Exact matchAntwerp, BelgiumHQ recorded Oct 1, 202611-5030 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12Exact matchBrussels, BelgiumHQ recorded Oct 1, 202611-5030 contacts →

Exact match

“LOW Associates is an independent, strategic communications and policy consultancy, based in Brussels and London.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13Exact matchAffligem, BelgiumHQ recorded Oct 1, 202611-5021 contacts →

Exact match

“Veel bedrijven lopen vandaag tegen dezelfde uitdagingen aan.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14Exact matchBrussels, BelgiumHQ recorded Oct 1, 202611-5020 contacts →

Exact match

“Journalistic PR is in BePublic Group's DNA.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15Exact matchLeuven, BelgiumHQ recorded Oct 1, 202651-20018 contacts →

Exact match

“Accenture Song accelerates growth and value for our clients through sustained customer relevance.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16Exact matchBrussels, BelgiumHQ recorded Oct 1, 202611-5017 contacts →

Exact match

“Mavence is a global recruitment and organizational consulting firm specializing fully in Corporate Affairs functions.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17Exact matchBrussels, BelgiumHQ recorded Oct 1, 202611-5016 contacts →

Exact match

“With offices in Brussels and Madrid, ianusGroup for sustainable businesses offers tailor-made strategic solutions to private companies, trade associations, not-for profit…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18Exact matchWaterloo, BelgiumHQ recorded Oct 1, 20261-1016 contacts →

Exact match

“Convidencia was created with the purpose of providing simple and pragmatic solutions that reconcile individuals with their organization.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19Exact matchSint-jans-molenbeek, BelgiumHQ recorded Oct 1, 202651-20015 contacts →

Exact match

“Ketchum Brussels has evolved from its beginnings as a PR agency to an integrated communications consultancy.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20Exact matchBelgiumHQ recorded Oct 1, 202611-5015 contacts →

Exact match

“Communication Consulting Agency in Brussels specialised in social media strategy, influencers, press, creative content (graphic design, community management, art direction)…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21Exact matchRoeselare, BelgiumHQ recorded Oct 1, 20261-1015 contacts →

Exact match

“Met een jarenlange ervaring in de reclamesector in de bagage, staat Tina Fabry klaar om u het juiste marketingstrategisch advies te leveren, op maat van uw merk of onderneming.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22Exact matchMolenbeek-saint-jean, BelgiumHQ recorded Oct 1, 202611-5014 contacts →

Exact match

“Welcome to Great: A Very Humble Communication Agency!”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23Exact matchBerchem, BelgiumHQ recorded Oct 1, 202611-5014 contacts →

Exact match

“Welcome to the outside-in company.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24Exact matchBrussels, BelgiumHQ recorded Oct 1, 202611-5014 contacts →

Exact match

“At Euralia, we see influence in a positive light.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25Exact matchZolder, BelgiumHQ recorded Oct 1, 202611-5014 contacts →

Exact match

“Thys Communicatie ondersteunt bedrijven om uitzonderlijke resultaten te bereiken dankzij online marketing, strategisch advies, marketingmanagement, salesmanagement en recruitment.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase

Showing 25 of 483 internal communications consulting firms based in Belgium

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Internal communications consulting firms based in Belgium at a glance

As of Oct 1, 2026
21.3%Verified-email coverage
2.6%Mobile-number coverage
7.8Average contacts per company
1-10Median size (employees)
10.8%Largest-city concentration · Brussels
Oct 1, 2026Page data refreshed

Companies by employee count

1-10
407
11-50
57
51-200
9
201-500
3
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 33.0d

Company record updated

Median 98.0d

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with Belgium whose business descriptions match “internal communications consulting firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 806 professional contacts with verified work emails across the full matched dataset. 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 October 1, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “internal communications consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many internal communications consulting firms are there based in Belgium?

RevenueBase identified 483 company matches for internal communications consulting firms associated with Belgium as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Insites Consulting tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most internal communications consulting firms?

Brussels leads with 52 company records, followed by Antwerp (26) and Ghent (14).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 806 professional contacts with verified work emails tracked across these 483 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 1, 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 SmartSearch, 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.