Company lists · Data refreshed September 2026

Top 25 Outsourcing advisory firms based in Belgium

RevenueBase identified 317 company matches for outsourcing advisory firms associated with Belgium as of September 2026 and tracks 3,447 professional contacts across them, including 835 with verified work emails. Brussels is the largest hub.

This list covers company matches for outsourcing advisory 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 21, 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 21, 2026 How this list was built
317Companies
3,447Contacts tracked
835Verified emails
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The 25 largest outsourcing advisory firms based in Belgium

Ranked by team size
Top 25 of 317 company matches for outsourcing advisory firms based in Belgium, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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 matchWemmel, BelgiumHQ recorded Sep 21, 2026201-500559 contacts →

Exact match

“Samen ondernemen, met kennis en visie.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2Exact matchKontich, BelgiumHQ recorded Sep 21, 202651-20077 contacts →

Exact match

“Een transparante missie.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3Exact matchBrussels, BelgiumHQ recorded Sep 21, 202651-20051 contacts →

Exact match

“AION Consulting is a dynamic, independent strategy advisory group, operating through offices in Brussels, Paris, Luxembourg, Lyon, and Nantes.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchZaventem, BelgiumHQ recorded Sep 21, 202611-5050 contacts →

Exact match

“LDS Advisory is born from the passion of its founding partners to bring high quality advice to the Belgian market, in a different way.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchBrussel, BelgiumHQ recorded Sep 21, 2026501-1,00049 contacts →

Exact match

“Eight Advisory Benelux is an independent financial and operations advisory firm specialising in Transaction Services, Restructuring, Transformation and Valuation.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact matchAntwerp, BelgiumHQ recorded Sep 21, 202651-20046 contacts →

Exact match

“Unikoo empowers entrepreneurs, intrapreneurs and impact-driven professionals to focus on what really matters.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchBruges And Brussels, BelgiumHQ recorded Sep 21, 202611-5044 contacts →

Exact match

“Trusted advisors in accountancy | tax | legal | corporate finance | estate planning Van Reybrouck is an independent consulting firm with offices in Bruges and Brussels.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchAalter, BelgiumHQ recorded Sep 21, 202611-5036 contacts →

Exact match

“Op maat gemaakt advies met als doel je onderneming te laten groeien en de winst te gaan maximaliseren.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact matchBrussels, BelgiumHQ recorded Sep 21, 202611-5032 contacts →

Exact match

“Are you considering or planning changes to your business processes, organisation, systems and technology?”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchMechelen, BelgiumHQ recorded Sep 21, 202611-5031 contacts →

Exact match

“At ASV Consult, we believe that a tailored & client-focused approach is needed to effectively deliver value for our clients.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchBrussels, BelgiumHQ recorded Sep 21, 202651-20030 contacts →

Exact match

“Your - Partner!”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchBrugge, BelgiumHQ recorded Sep 21, 202611-5029 contacts →

Exact match

“Lievens is een onafhankelijk juridisch, fiscaal en financieel advieskantoor met kantoren in Brugge, Brussel en Antwerpen.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchBrussels, BelgiumHQ recorded Sep 21, 202651-20028 contacts →

Exact match

“Enlighten Advisory is a boutique global advisory with a highly experienced, well-connected team working across multiple sectors and industries.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact match1090 Brussels, BelgiumHQ recorded Sep 21, 202651-20025 contacts →

Exact match

“Bij Financial Talents staan persoonlijke groei en ontwikkeling centraal.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchGhent, BelgiumHQ recorded Sep 21, 202611-5024 contacts →

Exact match

“At Schelstraete Delacourt, we connect leaders with opportunities that shape the future.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchBrussels, BelgiumHQ recorded Sep 21, 202611-5023 contacts →

Exact match

“We are your companion de route.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchFleurus, BelgiumHQ recorded Sep 21, 202611-5018 contacts →

Exact match

“Experya, bien plus que des chiffres.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchMechelen, BelgiumHQ recorded Sep 21, 202611-5017 contacts →

Exact match

“We are an independent advisory firm assisting companies, organizations, corporates, and financial institutions with all aspects of financial & debt management.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchHerentals, BelgiumHQ recorded Sep 21, 202611-5016 contacts →

Exact match

“We are independent advisors and technology experts with a no-nonsense approach.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchVichte, BelgiumHQ recorded Sep 21, 202611-5014 contacts →

Exact match

“Outsourcing van Financiële profielen - Financieel & Juridisch advies - Accountantskantoor OUTSOURCING : De juiste Financieel Expert voor uw KMO (boekhouder, controller, finance…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21Exact matchBrussel 1040 Bruxelles, BelgiumHQ recorded Sep 21, 202611-5013 contacts →

Exact match

“In a rapidly changing world, your business or organisation has to evolve constantly.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchLokeren, BelgiumHQ recorded Sep 21, 202611-5013 contacts →

Exact match

“Certifin is een onafhankelijk kantoor gespecialiseerd in corporate finance, CFO-opdrachten en volledige financiële begeleiding voor U en uw KMO.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchFlanders, BelgiumHQ recorded Sep 21, 202611-5013 contacts →

Exact match

“Wave Group is a service company that provides its expertise to start ups, SME's and large companies.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchRonse, BelgiumHQ recorded Sep 21, 202651-20013 contacts →

Exact match

“Passion4Sales is a young and dynamic company founded in June 2013 and was created to help companies grow in sales and top line revenue.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchBelgiumHQ recorded Sep 21, 202651-20013 contacts →

Exact match

“Founded in 2011, Kronos Group has experienced continuous expansion and is now a team that stands strong with +120 skilled consultants.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 25 of 317 outsourcing advisory firms based in Belgium

See the full list, filter by size, metro and specialty, and access 835 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Outsourcing advisory firms based in Belgium at a glance

As of Sep 21, 2026
24.2%Verified-email coverage
10.9Average contacts per company
1-10Median size (employees)
12.6%Largest-city concentration · Brussels
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
246
11-50
45
51-200
18
201-500
2
501-1,000
2
1,001-5,000
1

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 317 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 “outsourcing advisory 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 835 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 21, 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.

Outsourcing advisory firms by metro

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 “outsourcing advisory firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many outsourcing advisory firms are there based in Belgium?

RevenueBase identified 317 company matches for outsourcing advisory 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?

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

Which city has the most outsourcing advisory firms?

Brussels leads with 40 company records, followed by Antwerp (15) and Ghent (7).

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 835 professional contacts with verified work emails tracked across these 317 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 21, 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.