Company lists · Data verified August 2026

Top 25 Accounting services outsourcing companies based in Belgium

Name: Accounting services outsourcing companies based in Belgium
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 398 companies tracked

There are 398 accounting services outsourcing companies headquartered in Belgium (RevenueBase, August 2026). RevenueBase tracks 1,856 professional contacts across them, including 743 with verified work emails and 37 with mobile numbers. Antwerpen is the largest hub.

This list covers accounting services outsourcing companies headquartered in Belgium, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

398Companies

1,856Contacts tracked

743Verified emails

37Mobile numbers

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The 25 largest accounting services outsourcing companies based in Belgium

Ranked by team size

Top 25 of 398 accounting services outsourcing companies based in Belgium, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Fiduciaire	n/a	n/a	199	1
2	Verschaeren & Mertens	Mechelen	11-50	43	30
3	QPS Accountants	Genk	11-50	40	32
4	Financial Resources & Projects Fr&p	n/a	51-200	38	29
5	Verdin & Associés	Huy	11-50	34	23
6	Astro Accounting	n/a	11-50	26	15
7	Ge-Fibo	Brasschaat	11-50	18	12
8	Madou Vandromme Accountancy	Oostduinkerke	11-50	17	14
9	A4b	Waasmunster	11-50	17	9
10	Stemafisk	Jabbeke	11-50	16	15
11	Accofisc	Merelbeke	11-50	16	14
12	Bekaert-Callebaut Accountancy	n/a	51-200	16	11
13	Jump4more	Vichte	11-50	14	10
14	Countable BV	n/a	11-50	13	9
15	Fiduciaire TEN Hove	Borsbeek	11-50	13	2
16	ISIRO	Liege	11-50	12	9
17	VP Accountants & Belastingconsulenten	Keerbergen	11-50	12	9
18	ABC Verhelst Accountancy	Ieper	11-50	11	6
19	Registor E BV	Asse	11-50	11	6
20	Bofisc	Roeselare	51-200	10	9
21	Jordens Accountants	Hasselt	11-50	10	9
22	Theoffice BV	Borsbeek	11-50	9	9
23	Meraki	Ternat	11-50	9	7
24	Creafig	Hamont	11-50	8	6
25	Cogitas	Arquennes	11-50	8	3

Showing 25 of 398 accounting services outsourcing companies based in Belgium

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Accounting services outsourcing companies based in Belgium at a glance

As of Aug 28, 2026

1-10Median size (employees)

AntwerpenLargest hub · 15 HQs

37Contacts with mobile numbers

5Emails re-verified in last 30 days

Companies by employee count

1-10

299

11-50

51-200

Accounting services outsourcing companies by metro

Metro	Companies
Accounting services outsourcing companies in Antwerpen	15
Accounting services outsourcing companies in Gent	7
Accounting services outsourcing companies in Courcelles	5
Accounting services outsourcing companies in Schoten	5
Accounting services outsourcing companies in Heist-Op-Den-Berg	5
Accounting services outsourcing companies in Oostkamp	4
Accounting services outsourcing companies in Genk	4

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “accounting services outsourcing companies”, with match quality audited by blind human judging, and headquartered in Belgium.
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: Contact records re-verify on a rolling cadence; 5 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many accounting services outsourcing companies are there based in Belgium?

There are 398 accounting services outsourcing companies headquartered in Belgium as of August 2026 (RevenueBase).

What is the largest company on this list?

Fiduciaire, headquartered in Belgium, tops this list with the largest team on record.

Which city has the most accounting services outsourcing companies?

Antwerpen leads with 15 headquartered companies, followed by Gent (7) and Courcelles (5).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 743 verified decision-maker contacts tracked across these 398 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.