Ranking · Brussels · NACE 69

Legal and accounting activities: the largest companies in Brussels

As of 13 Nov 2026, 4,484 companies in Legal and accounting activities (NACE 69) in Brussels publish total assets in recent accounts (financial years 2023 to 2026). The top 10 account for €950.4m, out of €4.25bn for all of them; median total assets are 214,719 €. Berquin Notarissen leads with €411.7m (financial year 2025).

Top 50 · Legal and accounting activities · Brussels

Ranked by total assets in the latest filed accounts. This is a size criterion, not an assessment.

#Company Total assetsRevenue EquityFTEYear
1 Berquin Notarissen 1000 Brussels €411.7m — 22,010 € — 2025
2 Moore Finance & Tax 1020 Brussels €171.3m €123.6m €57.2m 673.8 2025
3 Fédération Royale du Notariat belge 1000 Brussels €70.5m €66.0m €44.6m 201.5 2025
4 Fork Invest 1020 Brussels €58.7m — €43.6m 0.5 2025
5 RBB Belgium 1000 Brussels €41.2m €38.5m €4.41m 25.5 2026
6 SDS 1081 Koekelberg €41.0m — 370,626 € 8.5 2025
7 MAJA 1040 Etterbeek €41.0m — €41.0m — 2025
8 Baker McKenzie 1210 Saint-Josse-ten-Noode €39.0m €90.1m 604,110 € 44.6 2025
9 PHG Asset Management 1050 Ixelles €38.2m 72,000 € −297,644 € — 2025
10 Stibbe 1000 Brussels €37.9m €68.9m €2.25m 71.0 2025
11 Moore Audit 1020 Brussels €37.4m €26.3m €20.4m 98.8 2025
12 Arcofin 1030 Schaerbeek €35.6m — −€1.55bn — 2025
13 Eubelius 1050 Ixelles €30.8m €52.8m 303,254 € 43.6 2025
14 Sacre 1081 Koekelberg €30.1m — €7.57m — 2025
15 VRONINKS, RICKER, WEYTS & SACRE- notaires 1050 Ixelles €29.1m — 122,998 € 19.6 2025
16 Narcisse Holding Belgique 1000 Brussels €28.0m 64,039 € €13.9m — 2025
17 Tiberghien 1000 Brussels €27.5m €40.5m €1.40m 51.3 2025
18 Solis Management & Consulting 1000 Brussels €26.5m — €26.5m 0.5 2025
19 Marlinspike 1050 Ixelles €25.7m — €25.1m — 2025
20 Liedekerke Wolters Waelbroeck Kirkpatrick 1000 Brussels €25.2m €44.8m 683,996 € 51.7 2025
21 Loyens & Loeff Advocaten-Avocats 1040 Etterbeek €23.4m €59.2m 25,850 € 50.6 2025
22 Robert 1180 Uccle €23.0m — €18.9m 27.8 2025
23 Moore Law Belgium 1020 Brussels €21.7m — €1.67m 17.4 2025
24 Monard Law 1150 Woluwe-Saint-Pierre €18.3m €33.3m 363,900 € 31.4 2025
25 Claeys & Engels 1170 Watermael-Boitsfort €18.2m €31.5m 910,366 € 45.8 2025
26 Nautadutilh 1000 Brussels €16.6m €32.3m 202,968 € 29.4 2025
27 INDEKEU - de CRAYENCOUR 1050 Brussels €16.3m €14.3m 4,975 € 74.0 2025
28 CMS DeBacker 1170 Watermael-Boitsfort €16.0m €27.5m €1.40m 32.9 2025
29 Parifri 1040 Etterbeek €15.7m — €15.4m — 2025
30 Van Bael & Bellis 1170 Watermael-Boitsfort €15.7m €36.4m €1.20m 22.4 2026
31 Martapia 1150 Woluwe-Saint-Pierre €15.1m — €13.4m — 2025
32 Geradin Partners Newco 1050 Ixelles €14.4m €4.68m 223,990 € — 2024
33 Lydian 1000 Brussels €14.3m €28.2m 818,065 € 35.2 2025
34 Tulipe Holding Belgique 1000 Brussels €14.1m 53,152 € €10.2m — 2025
35 Berkeley Research Group Belgium 1050 Ixelles €13.7m €15.0m −€17.5m 15.1 2025
36 NOTALEX, notaires 1050 Ixelles €13.5m — 1,574 € 16.6 2025
37 Triboconsult 1070 Anderlecht €13.2m — €9.41m — 2025
38 Janson 1170 Watermael-Boitsfort €12.9m €21.7m 716,859 € 21.0 2025
39 Belinco 1000 Brussels €12.7m — −€1.03m — 2025
40 Sopa - Invest 1150 Woluwe-Saint-Pierre €12.0m — €4.98m — 2025
41 Olivier Dubuisson 1180 Uccle €11.2m — €4.75m — 2024
42 Forvis Mazars Réviseurs d’Entreprises 1210 Saint-Josse-ten-Noode €10.6m €25.5m 209,617 € 150.4 2025
43 Wyers Herman Notarisvennootschap 1081 Koekelberg €10.6m — €2.17m 8.3 2025
44 B.F.S 1150 Woluwe-Saint-Pierre €10.6m €12.1m €2.47m 56.5 2025
45 PAX Affaires - Immobiliere PAX 1200 Woluwe-Saint-Lambert €10.3m — €9.15m — 2025
46 Strelia 1000 Brussels €9.83m €12.7m 432,184 € 19.3 2025
47 Taxcom Management Invest 1040 Etterbeek €9.83m — €2.08m 4.0 2025
48 LumaDirk 1150 Woluwe-Saint-Pierre €9.55m — €7.09m — 2025
49 DEPUYT , RAES & DE GRAVE, Notaires Associés 1080 Molenbeek-Saint-Jean €9.53m — 374,514 € 12.4 2025
50 Oeuvres et Solidarités socialistes - Socialistische Solidariteits Werken 1000 Brussels €9.49m €2.52m €9.00m 9.8 2025

Ranking based on each company's own annual accounts (statutory, not consolidated): a subsidiary and its parent appear separately, and the ranking differs from lists based on consolidated group accounts.

“—”: not published. Small companies (micro and abridged accounts) do not have to publish their revenue.

Legal and accounting activities across Belgium → All sectors · Brussels →

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Frequently asked questions

Which is the largest company in Legal and accounting activities in Brussels?

By total assets, it is Berquin Notarissen (€411.7m, financial year 2025).

How many companies in Legal and accounting activities in Brussels are ranked?

4,484 out of 4,549 active companies in the sector with their registered office in the area: those whose latest accounts are less than 3 years old.

Why does this ranking differ from other lists?

It uses each company's annual accounts as filed with the National Bank, not consolidated group accounts. A holding, a subsidiary or a purchasing entity can therefore appear separately. Only companies whose latest accounts are less than 3 years old are ranked.

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Active companies (legal entities) that have filed at least one set of annual accounts, based on the Crossroads Bank for Enterprises and the National Bank of Belgium. The sector is the main activity in the register; the municipality is that of the registered office. Data updated on 13 Nov 2026.