Ranking · Flanders · NACE 66
Activities auxiliary to financial services and insurance activities: the largest companies in Flanders
As of 14 Nov 2026, 5,254 companies in Activities auxiliary to financial services and insurance activities (NACE 66) in Flanders publish total assets in recent accounts (financial years 2023 to 2026). The top 10 account for €7.70bn, out of €18.6bn for all of them; median total assets are 559,525 €. AON Belgium leads with €1.75bn (financial year 2025).
Top 50 · Activities auxiliary to financial services and insurance activities · Flanders
Ranked by total assets in the latest filed accounts. This is a size criterion, not an assessment.
| # | Company | Total assets | Revenue | Equity | FTE | Year |
|---|---|---|---|---|---|---|
| 1 | AON Belgium 1831 Machelen (Brab.) | €1.75bn | €393.1m | €89.5m | 317.0 | 2025 |
| 2 | The House of Finance 8500 Kortrijk | €1.58bn | — | €45.3m | 3.0 | 2025 |
| 3 | Silfin 2018 Antwerp | €1.36bn | — | €215.3m | 3.0 | 2025 |
| 4 | Apollo Finco 9031 Ghent | €492.0m | €1.66m | −€7.95m | 6.2 | 2025 |
| 5 | VF Capital 3210 Lubbeek | €471.2m | — | €462.8m | — | 2025 |
| 6 | Fagron Capital 9810 Nazareth-De Pinte | €461.1m | — | €16.4m | 2.0 | 2025 |
| 7 | Vanbreda Risk & Benefits 2140 Antwerp | €426.7m | €136.7m | €71.8m | 611.3 | 2025 |
| 8 | Van der Vorm Investment Group 2960 Brecht | €421.6m | — | €262.2m | 1.1 | 2025 |
| 9 | Borealis Financial Services 2800 Mechelen | €378.5m | €1.43m | €226.4m | — | 2025 |
| 10 | Xerius Onderlinge Verzekeringsvereniging 2000 Antwerp | €359.0m | — | €288.5m | — | 2024 |
| 11 | Algeco Finance 3583 Beringen | €351.2m | — | €10.0m | 0.3 | 2025 |
| 12 | XIX-Invest 2018 Antwerp | €340.8m | — | €339.7m | — | 2025 |
| 13 | Itineris Group 9051 Ghent | €297.8m | 884,981 € | €235.3m | — | 2025 |
| 14 | Allia Insurance Brokers 8800 Roeselare | €225.5m | €63.6m | €23.8m | 274.5 | 2025 |
| 15 | Sereni Finco 2000 Antwerp | €216.0m | — | 213,590 € | 0.7 | 2025 |
| 16 | ICC Holding 2018 Antwerp | €215.8m | 0 € | €214.0m | 4.3 | 2025 |
| 17 | Group induver 2018 Antwerp | €214.4m | €43.8m | €37.4m | 141.2 | 2025 |
| 18 | InnoTek Holding 2600 Antwerp | €211.2m | 72,000 € | €206.2m | — | 2025 |
| 19 | Equine Care Group 3560 Lummen | €165.9m | €8.43m | €154.0m | 9.5 | 2025 |
| 20 | Geache - Holdit 8511 Kortrijk | €164.0m | — | €107.0m | — | 2025 |
| 21 | Extended Warehousing Geel 2200 Herentals | €139.4m | — | €8.20m | — | 2025 |
| 22 | Vybros Capital Partners 9790 Wortegem-Petegem | €121.3m | 321,002 € | €120.8m | — | 2026 |
| 23 | Cigna International Health Services 2140 Antwerp | €120.1m | €98.7m | €28.2m | 201.5 | 2025 |
| 24 | Arsenaal 3PK 8770 Ingelmunster | €76.4m | — | €23.5m | — | 2025 |
| 25 | InsureCo 9051 Ghent | €75.1m | €1.35m | €49.1m | 1.3 | 2025 |
| 26 | 6DC III Privak 2018 Antwerp | €70.4m | — | €70.4m | — | 2025 |
| 27 | Cecilinvest 2900 Schoten | €66.5m | — | €53.3m | — | 2025 |
| 28 | VCP Feeder 9790 Wortegem-Petegem | €63.7m | — | €63.5m | — | 2026 |
| 29 | Verzekeringskantoor Van Dessel 2590 Berlaar | €59.9m | €31.9m | €16.2m | 163.6 | 2025 |
| 30 | Somocom 1780 Wemmel | €59.5m | — | €59.3m | 1.0 | 2025 |
| 31 | Fimadero 8800 Roeselare | €58.1m | — | €40.6m | — | 2025 |
| 32 | Katharininvest 2900 Schoten | €56.9m | — | €56.6m | — | 2025 |
| 33 | Tysers Belgium 1831 Machelen (Brab.) | €53.4m | €23.4m | €7.67m | — | 2025 |
| 34 | Quaestor CI-Participatie 8800 Roeselare | €51.5m | — | €51.2m | — | 2025 |
| 35 | Quaestor Co-Invest 2025 8800 Roeselare | €51.5m | — | €51.5m | — | 2025 |
| 36 | Quaestor W-Participatie 8800 Roeselare | €50.0m | — | €49.4m | — | 2025 |
| 37 | Quaestor Wpef IX & WPF I 8800 Roeselare | €49.9m | — | €49.9m | — | 2025 |
| 38 | Roelinvest 2900 Schoten | €48.5m | — | €47.3m | — | 2025 |
| 39 | Aerolith 2900 Schoten | €48.5m | — | €48.4m | — | 2025 |
| 40 | Quaestor Nomads & Icons 8800 Roeselare | €48.2m | — | €47.5m | — | 2025 |
| 41 | Benklie 2900 Schoten | €48.2m | — | €48.2m | — | 2025 |
| 42 | Hillewaere Insurance 2300 Turnhout | €47.7m | €32.0m | €12.6m | 156.6 | 2025 |
| 43 | Howden Belgium 1930 Zaventem | €46.7m | — | €16.2m | 37.4 | 2025 |
| 44 | Quaestor HV4/HOF2 8800 Roeselare | €45.7m | — | €45.2m | — | 2025 |
| 45 | Junction Growth Investors Fund 2600 Antwerp | €45.2m | — | €45.0m | — | 2026 |
| 46 | Concordia 9000 Ghent | €42.8m | €20.8m | €10.3m | 108.0 | 2024 |
| 47 | Erreminvesto 2900 Schoten | €42.6m | — | €42.6m | — | 2025 |
| 48 | Evaro 2310 Rijkevorsel | €41.0m | — | €38.3m | — | 2026 |
| 49 | Provaro 2310 Rijkevorsel | €41.0m | — | €38.3m | — | 2026 |
| 50 | Sylva 9000 Ghent | €39.8m | — | €3.67m | 1.0 | 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.
Activities auxiliary to financial services and insurance activities across Belgium → All sectors · Flanders →
Other sectors · Flanders
- 01 Crop and animal production, hunting and related service activities5,114
- 02 Forestry and logging186
- 03 Fishing and aquaculture102
- 08 Other mining and quarrying88
- 09 Mining support service activities32
- 10 Manufacture of food products3,220
- 11 Manufacture of beverages386
- 12 Manufacture of tobacco products16
- 13 Manufacture of textiles704
- 14 Manufacture of wearing apparel300
- 15 Manufacture of leather and related products of other materials50
- 16 Manufacture of wood and of products of wood and cork, except furniture; manufacture of articles of straw and plaiting materials1,102
- 17 Manufacture of paper and paper products196
- 18 Printing and reproduction of recorded media1,328
- 19 Manufacture of coke and refined petroleum products18
- 20 Manufacture of chemicals and chemical products539
- 21 Manufacture of basic pharmaceutical products and pharmaceutical preparations281
- 22 Manufacture of rubber and plastic products561
- 23 Manufacture of other non-metallic mineral products952
- 24 Manufacture of basic metals246
- 25 Manufacture of fabricated metal products, except machinery and equipment4,113
- 26 Manufacture of computer, electronic and optical products460
- 27 Manufacture of electrical equipment490
- 28 Manufacture of machinery and equipment n.e.c.1,127
- 29 Manufacture of motor vehicles, trailers and semi-trailers308
- 30 Manufacture of other transport equipment132
- 31 Manufacture of furniture968
- 32 Other manufacturing959
- 33 Repair, maintenance and installation of machinery and equipment2,363
- 35 Electricity, gas, steam and air conditioning supply623
- 36 Water collection, treatment and supply41
- 37 Sewerage127
- 38 Waste collection, recovery and disposal activities664
- 39 Remediation activities and other waste management service activities112
- 41 Construction of residential and non-residential buildings12,396
- 42 Civil engineering2,400
- 43 Specialised construction activities35,300
- 46 Wholesale trade24,468
- 47 Retail trade26,227
- 49 Land transport and transport via pipelines7,321
- 50 Water transport340
- 51 Air transport173
- 52 Warehousing, storage and support activities for transportation2,362
- 53 Postal and courier activities573
- 55 Accommodation2,104
- 56 Food and beverage service activities16,017
- 58 Publishing activities769
- 59 Motion picture, video and television programme production, sound recording and music publishing activities1,457
- 60 Programming, broadcasting, news agency and other content distribution activities163
- 61 Telecommunication294
- 62 Computer programming, consultancy and related activities18,473
- 63 Computing infrastructure, data processing, hosting and other information service activities2,622
- 64 Financial service activities, except insurance and pension funding20,943
- 65 Insurance, reinsurance and pension funding, except compulsory social security152
- 68 Real estate activities32,648
- 69 Legal and accounting activities12,871
- 70 Activities of head offices and management consultancy35,936
- 71 Architectural and engineering activities; technical testing and analysis9,882
- 72 Scientific research and development599
- 73 Activities of advertising, market research and public relations6,897
- 74 Other professional, scientific and technical activities3,245
- 75 Veterinary activities1,234
- 77 Rental and leasing activities2,338
- 78 Employment activities1,219
- 79 Travel agency, tour operator and other reservation service and related activities644
- 80 Investigation and security activities301
- 81 Services to buildings and landscape activities5,101
- 82 Office administrative, office support and other business support activities9,438
- 84 Public administration and defence; compulsory social security98
- 85 Education2,506
- 86 Human health activities25,368
- 87 Residential care activities584
- 88 Social work activities without accommodation1,025
- 90 Arts creation and performing arts activities2,109
- 91 Libraries, archives, museums and other cultural activities129
- 92 Gambling and betting activities119
- 93 Sports activities and amusement and recreation activities2,716
- 94 Activities of membership organisations457
- 95 Repair and maintenance of computers, personal and household goods, and motor vehicles and motorcycles2,943
- 96 Personal service activities4,642
Municipalities with the most companies in the sector · Flanders
- 8800 Roeselare (Beveren, Oekene, Rumbeke)106
- 2000 Antwerp105
- 9000 Ghent86
- 3500 Hasselt (Sint-Lambrechts-Herk)76
- 2018 Antwerp66
- 8500 Kortrijk61
- 2970 Schilde ('s Gravenwezel)51
- 2930 Brasschaat49
- 8300 Knokke-Heist (Knokke, Westkapelle)49
- 9100 Sint-Niklaas (Nieuwkerken-Waas)49
- 8400 Ostend (Stene, Zandvoorde)45
- 2800 Mechelen (Walem)42
Frequently asked questions
Which is the largest company in Activities auxiliary to financial services and insurance activities in Flanders?
By total assets, it is AON Belgium (€1.75bn, financial year 2025).
How many companies in Activities auxiliary to financial services and insurance activities in Flanders are ranked?
5,254 out of 5,324 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 14 Nov 2026.