Company lists · Data refreshed October 2026

Top 25 Accounting process outsourcing providers based in Belgium

RevenueBase identified 110 company matches for accounting process outsourcing providers associated with Belgium as of October 2026 and tracks 536 professional contacts across them, including 247 with verified work emails. Mechelen is the largest hub.

This list covers company matches for accounting process outsourcing providers 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
110Companies
536Contacts tracked
247Verified emails
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The 25 largest accounting process outsourcing providers based in Belgium

Ranked by team size
Top 25 of 110 company matches for accounting process outsourcing providers 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 matchHasselt, BelgiumHQ recorded Oct 1, 202611-5040 contacts →

Exact match

“Met 30 jaar ervaring in Accountancy en Fiscaliteit, onder de naam QPS, hebben we een gedegen naambekendheid opgebouwd, met een trouw cliënteel, een waarborg van continuïteit en…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2Exact matchDiegem, BelgiumHQ recorded Oct 1, 202651-20036 contacts →

Exact match

“FR & P was established in 2002 with a Management buy-out between Deloitte and a number of managers.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3Exact matchWaasmunster, BelgiumHQ recorded Oct 1, 202611-5017 contacts →

Exact match

“Net als elk ander boekhoudkantoor verzorgen wij de boekhouding van managementvennootschappen, vrije beroepers en KMO’s.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4Exact matchWijnegem, BelgiumHQ recorded Oct 1, 202611-5017 contacts →

Exact match

“Bij bas.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5Exact matchBrasschaat, BelgiumHQ recorded Oct 1, 202611-5016 contacts →

Exact match

“Als ondernemer heb je heel wat wettelijke, boekhoudkundige en fiscale verplichtingen die je vaak liever kwijt dan rijk bent.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6Exact matchVichte, BelgiumHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
7Exact matchGhent, BelgiumHQ recorded Oct 1, 20261-1014 contacts →

Exact match

“Fintrax reduces the workload of accountants through process automation and data processing.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8Exact matchDadizele, BelgiumHQ recorded Oct 1, 202611-5011 contacts →

Exact match

“Uw nummer 1 in cijfers ABC Verhelst Accountancy is een allround kantoor voor accountancy en boekhouding voor elke onderneming.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9Exact matchMechelen, BelgiumHQ recorded Oct 1, 20261-1011 contacts →

Exact match

“Onze visie?”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10Exact matchHasselt, BelgiumHQ recorded Oct 1, 202611-5010 contacts →

Exact match

“ACCOUNTANTSKANTOOR JORDENS is an accounting company based out of 13 Kramerslaan, Hasselt, Belgium.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11Exact matchBorsbeek, BelgiumHQ recorded Oct 1, 202611-509 contacts →

Exact match

“TheOffice was founded in 2005 by Gaby Van Loock and Lode Ilsen as a merger of 3 business- and accounting services each having more than 20 years experience.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12Exact matchZutendaal, BelgiumHQ recorded Oct 1, 202611-508 contacts →

Exact match

“Wij zijn een snelgroeiend boekhoud- en consultantkantoor te Zutendaal.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13Exact matchMechelen, BelgiumHQ recorded Oct 1, 202611-508 contacts →

Exact match

“Your FINANCE & TECHNOLOGY partner.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14Exact matchHasselt, BelgiumHQ recorded Oct 1, 202611-507 contacts →

Exact match

“Arcanus is een boekhoudkantoor in Hasselt dat opgericht is in maart 2009 door Marc Briers en Marino Elens.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15Exact matchGeel, BelgiumHQ recorded Oct 1, 20261-107 contacts →

Exact match

“Digicount: your bookkeeping, 100% digital.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16Exact matchSint-gillis-waas, BelgiumHQ recorded Oct 1, 20261-107 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17Exact matchHarelbeke, BelgiumHQ recorded Oct 1, 202651-2007 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18Exact matchZonhoven, BelgiumHQ recorded Oct 1, 20261-106 contacts →

Exact match

“Acc Vranken is an accounting company based out of 7 't Zant, Zonhoven, Belgium.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19Exact matchLier, BelgiumHQ recorded Oct 1, 202611-506 contacts →

Exact match

“SWINNEN KRISTOF & PARTNERS is an accounting company”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20Exact matchWaterloo, BelgiumHQ recorded Oct 1, 20261-106 contacts →

Exact match

“FIDUCIAIRE FISCOGE is an accounting company based in Waterloo, Belgium.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21Exact matchBelsele, BelgiumHQ recorded Oct 1, 202611-506 contacts →

Exact match

“Boekhoudkundige diensten Vanzelfsprekend zorgen we, samen met jou, voor de tijdige, periodieke opvolging van jouw dossier.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22Exact matchDiksmuide, BelgiumHQ recorded Oct 1, 20261-106 contacts →

Exact match

“Uw partner in ijzersterk ondernemen!”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23Exact matchHerentals, BelgiumHQ recorded Oct 1, 20261-105 contacts →

Exact match

“Optifisk is een dynamisch boekhoudkantoor gevestigd in Herentals.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24Exact matchLochristi, BelgiumHQ recorded Oct 1, 20261-105 contacts →

Exact match

“CRVB Accountancy is an accounting company based out of 20 Burgemeester-Vermeulenlaan, Lochristi, Belgium.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25Exact matchOud-turnhout, BelgiumHQ recorded Oct 1, 202611-505 contacts →

Exact match

“Outsourcing of back-office finance and accounting enables the client to focus on their core business which increases saved time and money.”

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

Showing 25 of 110 accounting process outsourcing providers based in Belgium

See the full list, filter by size, metro and specialty, and access 247 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Accounting process outsourcing providers based in Belgium at a glance

As of Oct 1, 2026
46.1%Verified-email coverage
4.9Average contacts per company
1-10Median size (employees)
3.6%Largest-city concentration · Mechelen
Oct 1, 2026Page data refreshed

Companies by employee count

1-10
81
11-50
25
51-200
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 110 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 “accounting process outsourcing providers” 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 247 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 “accounting process outsourcing providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many accounting process outsourcing providers are there based in Belgium?

RevenueBase identified 110 company matches for accounting process outsourcing providers 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?

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

Which city has the most accounting process outsourcing providers?

Mechelen leads with 4 company records, followed by Ghent (3) and Antwerp (2).

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 247 professional contacts with verified work emails tracked across these 110 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.