List of Accounting Companies in Belgium

Last updated 5 November 2026

There are 20,495 accounting companies in Belgium, one in every 117 Belgian companies. Most of them are small: nearly all have one to four people, and only 36 firms employ 50 people or more. One in nine accountancy firms is based in Antwerpen, Gent, Bruxelles, Ixelles and Liège. Below you find the largest accountancy firms in Belgium, the cities where they cluster, how many started this year and which are the oldest. The full list with addresses, phone numbers and email is in our Belgian company database or through the KBO API.

20,495 companies indexed · Data counted on 5 November 2026

Companies20,4951 in117 Belgian companiesCities598Largest cityAntwerpen 796Sole traders22%Employees1-4 (94%)Revenue< $100K (63%)Email33%Phone61%Website32%

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A live view of all 20,495 accountancy firms, sorted by revenue. Narrow it by region, city, employee size, revenue, legal form or founding year, or search a firm by name.

Moore Finance & TaxMoore Finance & Tax

	Company Name	Country	City	Address 1	State/Province	Postal Code	Website	Founding Year	Yearly Revenue in U.S. Dollars	Employees Total	Business Legal Type - Description	Number of Companies in Group	Company Registration Number
1	Moore Finance & Tax	Belgium	Brussel	Esplanade 1, Internal Postal Box 96	Brussel Hoofdstad	1020	*****.be	1994	$143,282,980	1,032	Corporation	127	BE0451657041
2	Ernst & Young Tax Consultants	Belgium	Machelen	Kouterveldstraat 7 B, Internal Postal Box 1	Vlaams Brabant	1831	N/A	1989	$142,838,174	349	Corporation	9	BE0437476235
3	Deloitte Accountancy, Tax & Legal Services	Belgium	Zaventem	Luchthaven Brussel Nationaal 1 J	Vlaams Brabant	1930	*****.be	1991	$142,306,963	656	Corporation	14	BE0443578822
4	Pricewaterhousecoopers Business Advisory Services	Belgium	Machelen	Culliganlaan 5	Vlaams Brabant	1831	*****.be	1996	$119,906,640	522	Corporation	11	BE0458263830
5	Deloitte Global Tax Center (europe)	Belgium	Zaventem	Luchthaven Brussel Nationaal 1 J	Vlaams Brabant	1930	*****.be	2011	$96,685,918	156	Corporation	14	BE0835959064
6	Kpmg Tax, Legal & Accountancy	Belgium	Zaventem	Luchthaven Brussel Nationaal 1k	Vlaams Brabant	1930	*****.com	1991	$92,789,071	363	Corporation	9	BE0444333739
7	Hays Services	Belgium	Kortrijk	Brugsesteenweg 255	West Vlaanderen	8500	*****.be	2009	$90,307,880	50	Corporation	346	BE0810328694
8	Sbb Bedrijfsdiensten	Belgium	Leuven	Diestsevest 32, Internal Postal Box 1a	Vlaams Brabant	3000	*****.be	1980	$80,508,830	1,032	Corporation	41	BE0420170841
9	Sbb Gecertificeerde Accountants En Adviseurs	Belgium	Leuven	Diestsevest 32, Internal Postal Box 1a	Vlaams Brabant	3000	*****.be	1996	$75,674,076	14	Corporation	41	BE0459609556
10	Vgd Accountants En Belastingconsulenten	Belgium	Wemmel	Neerhoflaan 2	Vlaams Brabant	1780	*****.eu	2005	$67,512,446	329	Corporation	13	BE0875430542
11	Bdo Accountants & Belastingadviseurs	Belgium	Zaventem	Da Vincilaan 9box E.6	Vlaams Brabant	1930	*****.be	2021	$66,192,664	239	Corporation	137	BE0438475137
12	Pkf Bofidi Accountants & Advisers	Belgium	Gent	Kortrijksesteenweg 1126, Internal Postal Box A	Oost Vlaanderen	9051	*****.com	1987	$54,668,968	168	Corporation	5	BE0430810949
13	Pia Group Belux	Belgium	Gent	Foreestelaan 88, Internal Postal Box 301	Oost Vlaanderen	9000	*****.be	2019	$30,044,012	1,032	Corporation	160	BE0718884618
14	Van Havermaet	Belgium	Hasselt	Diepenbekerweg 65	Limburg	3500	*****.be	1985	$28,663,175	145	Corporation	20	BE0428179774
15	Ernst & Young Accountants	Belgium	Machelen	Kouterveldstraat 7b, Internal Postal Box 1	Vlaams Brabant	1831	*****.com	1982	$27,434,463	483	Corporation	12	BE0423360260
16	Grant Thornton Accountancy, Tax & Legal	Belgium	Antwerpen	Uitbreidingstraat 72, Internal Postal Box 7	Antwerpen	2600	*****.be	1990	$23,713,923	106	Corporation	10	BE0439926375
17	Fineko	Belgium	Genk	Toekomstlaan 38	Limburg	3600	*****.be	1996	$22,095,035	107	Corporation	160	BE0458916007
18	Baker Tilly Accountants & Belastingadviseurs	Belgium	Aalst	Kareelstraat 122	Oost Vlaanderen	9300	*****.be	1999	$21,368,804	37	Corporation	28	BE0468055484
19	Titeca Accountancy Beveren	Belgium	Roeselare	Heirweg 198	West Vlaanderen	8800	*****.be	2023	$20,568,010	34	Corporation	33	BE0884282187
20	Rsm Interfiduciaire	Belgium	Zaventem	Lozenberg 18	Vlaams Brabant	1932	*****.global	1991	$20,138,564	80	Corporation	24	BE0442616443
21	Acs Accountants	Belgium	Ravels	Grote Baan 201	Antwerpen	2380	*****.be	1989	$19,966,832	87	Corporation	14	BE0437828603
22	Fidiaz	Belgium	Kortenberg	Leuvensesteenweg 149	Vlaams Brabant	3070	*****.be	2023	$19,619,818	81	Corporation	160	BE0831832408
23	Pricewaterhousecoopers Business Services	Belgium	Machelen	Culliganlaan 5	Vlaams Brabant	1831	*****.com	2016	$17,676,771	101	Corporation	11	BE0652934318
24	Moore Services Financiers	Belgium	Waterloo	Drève Richelle 161/n, Internal Postal Box 48	Brabant Wallon	1410	*****.be	2020	$16,730,702	94	Corporation	127	BE0748770516
25	Titeca	Belgium	Roeselare	Koestraat 175b, Internal Postal Box 2.2	West Vlaanderen	8800	*****.be	2006	$16,334,194	21	Corporation	33	BE0882371584

Showing 25 of 20,495 companies

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Accountancy firms in Antwerpen

Antwerpen has 796 accounting companies and accountancy firms, 0.7% of all 108,393 Antwerpen companies and 14% below the national share. Nearly all Antwerpen firms have fewer than five people; 2 have 50 or more. 8 new firms were entered in 2026, 146 date from before 1990.

Size

1-4 staff: 600 · 93%
5-9: 32 · 5%
10-19: 7 · 1%
20-49: 6 · 0.9%
50+: 2 · 0.3%

Legal form

Sole traders: 151 · 19%
Partnerships: 67 · 8%
BV/SRL and NV/SA: 268 · 34%
Other or none: 310 · 39%

Of the Belgian total: 3.9%
Of all Antwerpen companies: 0.7%
Against the national share: 0.9×

New

Entered 2026 so far: 8
Entered 2025: 17
Of Belgium's 2026 entries: 2.0%

Old

Before 1990: 146 · 18%
1990 or later: 650 · 82%
Of Belgium's pre-1990 firms: 4.9%

Reachable

Email: 268 · 34%
Phone: 472 · 59%
Website: 274 · 34%

Revenue (USD)

Under $100K: 331 · 62%
$100K-$500K: 173 · 33%
$500K-$1M: 22 · 4%
$1M and more: 5 · 0.9%

Largest

1106
250
343
435
530

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Firm sizes in Belgium

Of the 17,441 Belgian accountancy firms with a known headcount, 16,415 (94%) have one to four people, 655 have five to nine, 335 have ten to 49 and 36 have 50 or more. Most firms turn over under $100,000 a year (9,277, 63%).

EU size bands · the grey line shows all Belgian companies

Micro under 1017,070 98%
Small 10 to 49335 2%
Medium 50 to 24932 0.2%
Large 250+4 <0.1%

Grey line: the share among all Belgian companies (98% have under ten staff).

firms turn over more than $5 million a year; 30 more than $10 million.

404

firms were entered in 2026.

How many accounting companies are there in Belgium?

Accounting companies and accountancy firms in Belgium

20,495

5 November 2026

There are 20,495 accounting companies and accountancy firms in Belgium in our data (5 November 2026). That is one in every 117 Belgian companies. About 2 new firms are entered in the register every working day this year (404 so far in 2026).

Structure

Single-site firms: 10,963 53%
Head offices: 3,850
Branch offices: 5,682

Classification

NACE-BEL 2008 code 69201, NACE Rev. 2 6920. Our platform filter is NACE-BEL 2008 69201.

8,466 of the 20,495 are BV/SRL and NV/SA (41%); 4,535 are sole traders. They come from Kruispuntbank van Ondernemingen (KBO/BCE) and our Belgian register data, through the KBO API.

Where in Belgium?

Antwerpen has the most accounting companies in Belgium (796), ahead of Gent (406), Bruxelles (394), Ixelles (337) and Liège (277). Together the five hold one in nine of them. Relative to their size, Lasne, Waterloo and Schilde have the most: 1.9 to 2.2 times the national share.

Cities by number of firms

598 Belgian cities have at least one accountancy firm; 441 have ten or more; 19 have exactly one. Click a city to set the lens.

Only here

Where they cluster

Accountancy firms per 100 companies, in cities with at least 100 of them. The national share is 0.86. Lasne has 2.2 times the national share.

2.2×
2.0×
1.9×
1.7×
1.7×
1.7×
1.5×
1.4×
1.3×
1.3×
1.2×
1.2×
1.2×
1.2×

Dashed line: the national share. A filled dot is twice the national share or more.

By province 18 provinces

Province	Firms	%
Antwerpen	3,133	15%
Bruxelles Capitale	2,564	13%
Oost Vlaanderen	2,345	11%
West Vlaanderen	2,076	10%
Vlaams Brabant	2,037	10%
Hainaut	1,861	9%
Liège	1,613	8%
Brabant Wallon	1,331	6%
Limburg	1,264	6%
Namur	845	4%

Show all 18

Largest accountancy firms in Belgium

The biggest firms by staff and by revenue, the largest in Antwerpen, the biggest newcomers of 2026 and the oldest firms. Click a name for the record.

Moore Finance & Tax is the largest accountancy firm in Belgium by headcount. 36 firms employ 50 people or more; 17 employ 100 or more.

1Brussel1,032 staff
2Gent1,032 staff
3Leuven1,032 staff
4Zaventem656 staff
5Machelen522 staff
6Machelen483 staff
7Zaventem363 staff
8Wemmel329 staff
9Zaventem239 staff
10Hasselt225 staff

By employee size · 17,441 firms with a known headcount

Employees	Firms	%
1-4	16,415	94%
5-9	655	4%
10-19	246	1%
20-49	89	0.5%
50-99	19	0.1%
100-199	8	<0.1%
200-499	5	<0.1%
500-999	3	<0.1%
1,000+	1	<0.1%

94% have 1 to 4 people; 89 have 20 to 49; 36 have 50 or more.

By yearly revenue (USD)

Revenue	Firms	%
< $100K	9,277	63%
$100K-$500K	4,981	34%
$500K-$1M	447	3%
$1M-$5M	40	0.3%
$5M-$10M	8	<0.1%
$10M-$50M	18	0.1%
$50M-$100M	8	<0.1%
$100M-$500M	4	<0.1%

63% under $100,000; 40 between $1M and $5M; 38 above $5M.

The oldest firms in Belgium

Our data holds 0 Belgian accountancy firms from before 1900, 23 from before 1950 and 2,990 from before 1990.

1900
1. Overijse
1922
1. Forest
1928
1. Turnhout
1928
1. Kortrijk
1928
1. Bruxelles
1934
1. Gent

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1990

2,990

Belgian accountancy firms date from before 1990

410

were entered in 1990

How reachable are they?

Accountancy firms are easier to reach than the average Belgian company: 61% list a phone number and 32% a website.

Email6,776 33%
Phone12,577 61%
Website6,617 32%

Grey line: all Belgian companies (email 23%, phone 43%, website 27%).

The full list with these fields is in our Belgian company database.

Sole traders or BV/SRL: how they are organised

One in five Belgian accountancy firms work as sole traders, against 32% of all Belgian companies. Two in five are BV/SRL and NV/SA.

Sole traders (eenmanszaak / entreprise individuelle)4,53522%
Partnerships (VOF/SNC and CommV/SComm)1,2886%
BV/SRL and NV/SA8,46641%
No form on record or other6,20630%

Single-site: 53%
Head offices: 3,850
Branches: 5,682

All Belgian companies: 32% sole traders, 9% partnerships, 28% BV/SRL and NV/SA.

How they compare

Next to related industries

There are 5 consulting companies for every accountancy firm in Belgium.

Industry	Firms	Website	1-4 staff
Consulting Companies	93,179	18%	91%
Engineering Companies	43,697	31%	92%
Lawyers	27,348	30%	94%
Accounting Companies	20,495	32%	80%
Notaries	2,746	61%	63%
Security Companies	1,138	35%	75%

In other countries

Only the UK and Sweden have more accountancy firms than Belgium.

Country	Firms	Per 1,000 cos.
The UK	55,167	6.2
Sweden	24,912	13.4
Belgium	20,495	8.6
The Netherlands	2,598	0.7

More countries →

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Newcomers in Belgium in 2026

404 accountancy firms were entered in the Belgian register so far in 2026, about 2 a working day, after 758 in 2025. Belgium as a whole saw 108,068 new companies in 2026, so this industry takes 0.4% of the inflow.

7432022
7512023
6972024
7582025
4042026 so far

172 of this year's 404 are BV/SRL and NV/SA.

The biggest newcomers of 2026

The year is the register entry; an established firm that changes legal form appears as new.

1Liège3 staff
2Antwerpen3 staff
3Ternat3 staff
4Mechelen3 staff
5Lier3 staff

Frequently asked questions

How many accounting companies are there in Belgium?

There are 20,495 accounting companies and accountancy firms in Belgium in our data, counted on 5 November 2026. That is one in every 117 Belgian companies.

Which is the largest accountancy firm in Belgium?

Moore Finance & Tax in Brussel, with 1,032 staff.

Which Belgian city has the most accounting companies?

Antwerpen, with 796, ahead of Gent (406), Bruxelles (394), Ixelles (337) and Liège (277). Relative to its size, Lasne has the most: 2.2 times the national share.

How many accountancy firms are there in Antwerpen?

796, which is 0.7% of all 108,393 Antwerpen companies and 14% below the national share.

How big is a typical accountancy firm?

Small. 94% of the 17,441 firms with a known headcount have one to four people; 36 have 50 or more. Most turn over under $100,000 a year.

Are Belgian accounting companies sole traders or companies?

One in five (4,535) are sole traders, 6% are partnerships and 41% (8,466) are BV/SRL and NV/SA.

How many accountancy firms started in 2026?

404 were entered in the Belgian register so far in 2026, after 758 in 2025. 172 of them are BV/SRL and NV/SA.

What is the oldest accountancy firm in Belgium?

Debeys Koen in Overijse, 1900, followed by B.C.C. Engineering in Forest (1922) and Dienstencentrum A & B in Turnhout (1928). 0 firms date from before 1900.

Which industry code covers accounting companies?

Belgian accounting companies are classified under NACE-BEL 2008 code 69201, NACE Rev. 2 code 6920. Our platform filters them on NACE-BEL 2008 69201.

Can I download the full list?

Yes. All 20,495 firms with address, phone, email, legal form, employees, revenue and founding year, as Excel, CSV or through the API.

Discover more: related industries, in other countries

The lists closest to this one. Every industry and city in Belgium is on the Belgium page.

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