Company lists · Data refreshed November 2026

Top 25 Professional services consultancies based in Belgium

RevenueBase identified 1,046 company matches for professional services consultancies associated with Belgium as of November 2026 and tracks 30,925 professional contacts across them, including 5,382 with verified work emails. Brussels is the largest hub.

This list covers company matches for professional services consultancies 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 November 6, 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 Nov 6, 2026 How this list was built
1,046Companies
30,925Contacts tracked
5,382Verified emails
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The 25 largest professional services consultancies based in Belgium

Ranked by team size
Top 25 of 1,046 company matches for professional services consultancies based in Belgium, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchBrussels, BelgiumHQ recorded Nov 6, 202610001+14,501 contacts →

Exact match

“BDO is the leading provider of professional services within the mid-tier of our profession.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchZaventem, BelgiumHQ recorded Nov 6, 20261,001-5,0001,584 contacts →

Exact match

“Uncovering a world of opportunity together.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchZaventem, BelgiumHQ recorded Nov 6, 20261,001-5,000983 contacts →

Exact match

“At BDO, we believe in empowering organisations and people to achieve sustainable growth and realise their full potential.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchWemmel, BelgiumHQ recorded Nov 6, 2026201-500579 contacts →

Exact match

“Samen ondernemen, met kennis en visie.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchSaint Gilles, BelgiumHQ recorded Nov 6, 2026501-1,000386 contacts →

Exact match

“ALTEN is a group of 57 professionals present all over the world and counts more than 88% of its employees being engineers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchKortrijk, BelgiumHQ recorded Nov 6, 202651-200301 contacts →

Exact match

“We are your guide on the adventure of entrepreneurship!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchHasselt, BelgiumHQ recorded Nov 6, 2026201-500275 contacts →

Exact match

“UW RECHTERHAND Als ondernemer bent u maar zo sterk als de mensen die u omringen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchStrombeek-bever, BelgiumHQ recorded Nov 6, 2026501-1,000244 contacts →

Exact match

“Hi, we’re Tobania, your trusted partner in Business and Technology Consulting, driving the forefront of digital transformation by valorising your business, data and technology.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchBrussel, BelgiumHQ recorded Nov 6, 2026201-500229 contacts →

Exact match

“Bij Baker Tilly bouwen we mee aan het groeiverhaal van ondernemers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchWaregem, BelgiumHQ recorded Nov 6, 2026201-500226 contacts →

Exact match

“Our Talent.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchAntwerp, BelgiumHQ recorded Nov 6, 2026201-500156 contacts →

Exact match

“USG Professionals combineert de expertise en ambities van hoog opgeleide professionals met de dagelijkse uitdagingen die bedrijven trotseren op vlak van 7 vakgebieden- Engineering…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchBrussels, BelgiumHQ recorded Nov 6, 202651-200146 contacts →

Exact match

“AESA is a leading European management consultancy, providing technical assistance and project management services in Low and Middle income countries as well as in Transition…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchAntwerp, BelgiumHQ recorded Nov 6, 2026n/a125 contacts →

Exact match

“Consultant in the field of hospitality, food, tourism and leisure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchBrussels, BelgiumHQ recorded Nov 6, 202651-200118 contacts →

Exact match

“We are Cream by Audensiel, a dynamic multi-skilled consultancy company that seeds Entreprise Agility.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSchaerbeek, BelgiumHQ recorded Nov 6, 202611-5099 contacts →

Exact match

“Asist is a specialist IBM mainframe consulting practice.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchBrussels, BelgiumHQ recorded Nov 6, 202611-5095 contacts →

Exact match

“Sales Consult is specialised in sales results improvement by different services approaches - Sales Consultancy - Outsourcing - Try & Hire - Insourcing projects - Temporary sales &…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchKortrijk, BelgiumHQ recorded Nov 6, 202651-20085 contacts →

Exact match

“Bij Proxani sta jij centraal.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchZele, BelgiumHQ recorded Nov 6, 202651-20079 contacts →

Exact match

“Addestino is a technology consulting company, working on the edge of business and technology, be it for strategy & innovation or digital transformation & implementation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchKontich, BelgiumHQ recorded Nov 6, 202651-20078 contacts →

Exact match

“Een transparante missie.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchWatermael-boitsfort, BelgiumHQ recorded Nov 6, 202651-20070 contacts →

Exact match

“HLB is gespecialiseerd in accountancy, audit, juridisch en fiscaal advies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchGenk, BelgiumHQ recorded Nov 6, 202651-20068 contacts →

Exact match

“Juridisch en fiscaal advies, bedrijfseconomische diensten, accountancy, financiële plannen, studies: Fineko levert maatwerk.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchBrussels, BelgiumHQ recorded Nov 6, 202611-5065 contacts →

Exact match

“Nova Reperta helps your company to set a clear course for success and cultivate the strategies, processes, tools and mindset you need.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchWatermael-boitsfort, BelgiumHQ recorded Nov 6, 202651-20064 contacts →

Exact match

“Phinest is a Belgian Management Consulting firm providing tailor-made services to transform companies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchHalle, BelgiumHQ recorded Nov 6, 202651-20060 contacts →

Exact match

“Myreas,(A Colruyt Group Company) The home for Strategy Consultants, Enterprise Architects and Transformation Managers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchBrugge, BelgiumHQ recorded Nov 6, 202651-20059 contacts →

Exact match

“Je bent zaakvoerder van een KMO of een sociaal (non) profit organisatie en op zoek naar betaalbaar professioneel advies?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 1,046 professional services consultancies based in Belgium

See the full list, filter by size, metro and specialty, and access 5,382 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Professional services consultancies based in Belgium at a glance

As of Nov 6, 2026
17.4%Verified-email coverage
29.6Average contacts per company
1-10Median size (employees)
11.7%Largest-city concentration · Brussels
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
770
11-50
164
51-200
49
201-500
18
501-1,000
6
1,001-5,000
5
5,001-10,000
1
10001+
2

Email recency for this list is measured worldwide rather than for Belgium, so it is reported there. Company counts and contact totals on this page are exact for Belgium, over 1,046 companies.

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 “professional services consultancies” 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 5,382 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 November 6, 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 “professional services consultancies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many professional services consultancies are there based in Belgium?

RevenueBase identified 1,046 company matches for professional services consultancies associated with Belgium as of November 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?

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

Which city has the most professional services consultancies?

Brussels leads with 122 company records, followed by Antwerp (50) and Ghent (29).

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 5,382 professional contacts with verified work emails tracked across these 1,046 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 November 6, 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.