Company lists · Data refreshed September 2026

Top 25 Advisory consulting firms based in Belgium

RevenueBase identified 1,144 company matches for advisory consulting firms associated with Belgium as of September 2026 and tracks 16,908 professional contacts across them, including 6,746 with verified work emails and 424 with mobile numbers. Brussels is the largest hub.

This list covers company matches for advisory 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 September 23, 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 Sep 23, 2026 How this list was built
1,144Companies
16,908Contacts tracked
6,746Verified emails
424Mobile numbers
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The 25 largest advisory consulting firms based in Belgium

Ranked by team size
Top 25 of 1,144 company matches for advisory consulting firms based in Belgium, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 23, 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 Sep 23, 20261,001-5,0002,186 contacts →

Exact match

“As people, organizations and societies embrace change at pace, its leaders must anticipate, innovate and transform ever faster.”

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
2Exact matchZaventem, BelgiumHQ recorded Sep 23, 20261,001-5,0001,592 contacts →

Exact match

“Uncovering a world of opportunity together.”

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
3Exact matchBrussels, BelgiumHQ recorded Sep 23, 20261,001-5,0001,087 contacts →

Exact match

“Moore Belgium is het grootste onafhankelijke accounting- en consulting bedrijf in België dat ondernemers helpt hun droom te realiseren.”

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
4Exact matchWemmel, BelgiumHQ recorded Sep 23, 2026201-500559 contacts →

Exact match

“Samen ondernemen, met kennis en visie.”

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
5Exact matchRoeselare, BelgiumHQ recorded Sep 23, 2026201-500384 contacts →

Exact match

“Titeca is not a traditional accounting firm.”

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
6Exact matchBrussels, BelgiumHQ recorded Sep 23, 2026201-500362 contacts →

Exact match

“We advise companies, policymakers, regulators and lawyers on any economic issue connected with competition, finance or regulation.”

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
7Exact matchKortrijk, BelgiumHQ recorded Sep 23, 202651-200290 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
8Exact matchRoeselare, BelgiumHQ recorded Sep 23, 2026201-500287 contacts →

Exact match

“Iemand van AlliA herkent u meteen.”

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
9Exact matchBrussels, BelgiumHQ recorded Sep 23, 2026201-500274 contacts →

Exact match

“Most organizations are facing major transformation challenges due to market, technological, social or political factors.”

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
10Exact matchHasselt, BelgiumHQ recorded Sep 23, 2026201-500272 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
11Exact matchStrombeek-bever, BelgiumHQ recorded Sep 23, 2026501-1,000242 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 · Sep 23, 2026 · View company records in RevenueBase
12Exact matchBrussel, BelgiumHQ recorded Sep 23, 2026201-500220 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
13Exact matchWaregem, BelgiumHQ recorded Sep 23, 2026201-500210 contacts →

Exact match

“Our Talent.”

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
14Exact matchMerelbeke, BelgiumHQ recorded Sep 23, 202651-200183 contacts →

Exact match

“With over 25 years of experience and a team of 185 experts, we support more than 900 businesses in their digital transformation, securing their environments and developing their…”

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
15Exact matchSint-martens-latem, BelgiumHQ recorded Sep 23, 202651-200140 contacts →

Exact match

“Möbius supports organisations by designing and implementing the best business solutions at their strategic moments.”

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
16Exact matchDiegem, BelgiumHQ recorded Sep 23, 2026201-500117 contacts →

Exact match

“Aon Belgium is a leading consultant in B2B risk management, insurance brokerage, reinsurance brokerage and human resource solutions.”

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
17Exact matchBrussels, BelgiumHQ recorded Sep 23, 202651-200114 contacts →

Exact match

“Finalyse is a Europe-wide leading consultancy founded in 1988.”

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
18Exact matchBrussels, BelgiumHQ recorded Sep 23, 202651-200113 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
19Exact matchAntwerp, BelgiumHQ recorded Sep 23, 2026n/a113 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
20Exact matchBrussels, BelgiumHQ recorded Sep 23, 202651-200102 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
21Exact matchAntwerp, BelgiumHQ recorded Sep 23, 202651-20096 contacts →

Exact match

“Catalay is on a mission to build a highly skilled and loyal community of engineering consultants so we can partner up with our clients to accelerate their engineering transitions.”

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
22Exact matchSchaerbeek, BelgiumHQ recorded Sep 23, 202611-5093 contacts →

Exact match

“Asist is a specialist IBM mainframe consulting practice.”

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
23Exact matchBeerzel, BelgiumHQ recorded Sep 23, 202651-20081 contacts →

Exact match

“INNOCOM is a fully independent Belgian company that has been guiding organizations through large and complex strategic changes for over 25 years.”

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
24Exact matchMechelen, BelgiumHQ recorded Sep 23, 202651-20079 contacts →

Exact match

“Oxygen is a business consultancy firm with 100% focus on insurance.”

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
25Exact matchKontich, BelgiumHQ recorded Sep 23, 202651-20077 contacts →

Exact match

“Een transparante missie.”

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase

Showing 25 of 1,144 advisory consulting firms based in Belgium

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Advisory consulting firms based in Belgium at a glance

As of Sep 23, 2026
39.9%Verified-email coverage
2.5%Mobile-number coverage
14.8Average contacts per company
1-10Median size (employees)
17.4%Largest-city concentration · Brussels
Sep 23, 2026Page data refreshed

Companies by employee count

1-10
1,274
11-50
232
51-200
64
201-500
24
501-1,000
7
1,001-5,000
10
10001+
2

Freshness & accuracy

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

Email last verified

Median 25.0d

Company record updated

Median 76.0d

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 “advisory 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 6,746 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 September 23, 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 “advisory consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many advisory consulting firms are there based in Belgium?

RevenueBase identified 1,144 company matches for advisory consulting firms associated with Belgium as of September 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?

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

Which city has the most advisory consulting firms?

Brussels leads with 199 company records, followed by Antwerp (76) and Ghent (50).

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 6,746 professional contacts with verified work emails tracked across these 1,144 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 September 23, 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.