Ranking · West Flanders · NACE 80
Investigation and security activities: the largest companies in West Flanders
As of 14 Nov 2026, 51 companies in Investigation and security activities (NACE 80) in West Flanders publish total assets in recent accounts (financial years 2023 to 2026). The top 10 account for €33.0m, out of €39.7m for all of them; median total assets are 134,351 €. Alertis leads with €14.1m (financial year 2025).
Top 50 · Investigation and security activities · West 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 | Alertis 8800 Roeselare | €14.1m | €21.8m | €6.73m | 120.8 | 2025 |
| 2 | Tarsis 8760 Tielt | €5.30m | — | €4.36m | — | 2025 |
| 3 | Geopro Services - M.T.A.S. 8573 Anzegem | €4.19m | — | €3.23m | — | 2025 |
| 4 | Veretro 8510 Kortrijk | €2.21m | — | 798,908 € | — | 2025 |
| 5 | Praxis Group 8501 Kortrijk | €1.84m | — | €1.37m | 16.9 | 2025 |
| 6 | K9 Detection Belgium 8490 Jabbeke | €1.34m | — | 798,430 € | 28.1 | 2025 |
| 7 | Sentery 8020 Oostkamp | €1.34m | — | 356,083 € | 4.4 | 2025 |
| 8 | Mundo Security 8000 Bruges | €1.02m | — | 474,554 € | 0.9 | 2026 |
| 9 | Mentor Worldwide Security Services 8020 Oostkamp | 894,108 € | — | 214,429 € | 34.3 | 2025 |
| 10 | Interface Investigations 8670 Koksijde | 733,137 € | — | 210,983 € | — | 2025 |
| 11 | SEM 8908 Ypres | 696,531 € | — | 688,773 € | — | 2025 |
| 12 | Yumatec 8750 Wingene | 632,484 € | — | 254,808 € | — | 2025 |
| 13 | BBS Engineering 8520 Kuurne | 565,221 € | — | 84,442 € | 2.9 | 2025 |
| 14 | VestaGuard Security 8870 Izegem | 447,989 € | — | −67,357 € | 10.9 | 2025 |
| 15 | Team Service Security 8020 Oostkamp | 432,667 € | — | −79,485 € | 19.0 | 2025 |
| 16 | Protect-Services 8400 Ostend | 357,021 € | — | 314,724 € | — | 2026 |
| 17 | CYP Security 8980 Zonnebeke | 328,554 € | — | 315,529 € | — | 2025 |
| 18 | Vsec-security 8470 Gistel | 308,861 € | — | 235,047 € | — | 2025 |
| 19 | Videntium Investigations 8301 Knokke-Heist | 247,140 € | — | 83,514 € | — | 2025 |
| 20 | Prevention Office Networks 8880 Ledegem | 246,566 € | — | 220,056 € | — | 2025 |
| 21 | Toegangsautomatisatie 8800 Roeselare | 216,222 € | — | 103,929 € | — | 2025 |
| 22 | Quick Repair Intervention 8647 Lo-Reninge | 210,213 € | — | 126,523 € | — | 2023 |
| 23 | Comfort-Projects 8500 Kortrijk | 205,091 € | — | 21,709 € | — | 2024 |
| 24 | BRAM Security 8720 Dentergem | 200,134 € | — | 102,457 € | — | 2025 |
| 25 | Xpert Security 8400 Ostend | 177,749 € | — | 118,472 € | — | 2025 |
| 26 | Belcis 8755 Wingene | 134,351 € | — | 103,473 € | — | 2025 |
| 27 | ProFon 8900 Ypres | 132,030 € | — | 78,323 € | — | 2025 |
| 28 | Beheersmaatschappij van het Internationaal Transportcentrum LAR 8930 Menen | 127,986 € | — | 123,338 € | — | 2025 |
| 29 | MAY FLY 8980 Zonnebeke | 116,169 € | — | 35,200 € | — | 2025 |
| 30 | LNV Safety-Pilots 8600 Diksmuide | 89,845 € | — | 55,378 € | — | 2025 |
| 31 | K9 Training Center 8450 Bredene | 85,276 € | — | −135,573 € | 3.0 | 2025 |
| 32 | Exitus 8730 Beernem | 80,912 € | — | −23,560 € | — | 2025 |
| 33 | Infosafe 8500 Kortrijk | 62,053 € | — | 50,362 € | — | 2025 |
| 34 | A & D 8020 Oostkamp | 57,130 € | — | 21,713 € | — | 2025 |
| 35 | Chenot Services 8400 Ostend | 52,336 € | — | −26,747 € | — | 2025 |
| 36 | DDV Consulting 8560 Wevelgem | 50,391 € | — | 44,730 € | — | 2025 |
| 37 | Kopevan 8790 Waregem | 47,122 € | — | −701,695 € | — | 2025 |
| 38 | Céy Consultancy 8730 Beernem | 44,355 € | — | 24,520 € | — | 2025 |
| 39 | Euro Protection Guard 8940 Wervik | 43,880 € | — | −121,249 € | 2.3 | 2025 |
| 40 | Switch-IT 8301 Knokke-Heist | 42,520 € | — | −4,665 € | — | 2025 |
| 41 | Safebyte 8900 Ypres | 41,490 € | — | 7,962 € | — | 2025 |
| 42 | In Control 8500 Kortrijk | 40,685 € | — | 19,254 € | — | 2025 |
| 43 | KG Security 8720 Dentergem | 39,941 € | — | 8,456 € | — | 2025 |
| 44 | 2BeSafe 8870 Izegem | 31,199 € | — | 26,395 € | — | 2025 |
| 45 | PAA Services 8730 Beernem | 25,844 € | — | 1,583 € | — | 2024 |
| 46 | Group FB 8630 Veurne | 24,317 € | — | 6,216 € | 1.7 | 2025 |
| 47 | DR Support 8820 Torhout | 11,655 € | — | 785 € | — | 2025 |
| 48 | Verhaeghe Safety Consulting 8520 Kuurne | 6,148 € | — | 4,694 € | — | 2026 |
| 49 | Hoplite Safety & Security Systems 8500 Kortrijk | 4,478 € | — | 3,797 € | — | 2025 |
| 50 | RVR Investigation 8850 Ardooie | 3,306 € | — | −512 € | — | 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.
Investigation and security activities across Belgium → All sectors · West Flanders →
Other sectors · West Flanders
- 01 Crop and animal production, hunting and related service activities1,348
- 02 Forestry and logging23
- 03 Fishing and aquaculture80
- 08 Other mining and quarrying10
- 10 Manufacture of food products739
- 11 Manufacture of beverages76
- 13 Manufacture of textiles334
- 14 Manufacture of wearing apparel70
- 15 Manufacture of leather and related products of other materials10
- 16 Manufacture of wood and of products of wood and cork, except furniture; manufacture of articles of straw and plaiting materials260
- 17 Manufacture of paper and paper products41
- 18 Printing and reproduction of recorded media267
- 20 Manufacture of chemicals and chemical products90
- 21 Manufacture of basic pharmaceutical products and pharmaceutical preparations39
- 22 Manufacture of rubber and plastic products136
- 23 Manufacture of other non-metallic mineral products208
- 24 Manufacture of basic metals55
- 25 Manufacture of fabricated metal products, except machinery and equipment1,018
- 26 Manufacture of computer, electronic and optical products76
- 27 Manufacture of electrical equipment107
- 28 Manufacture of machinery and equipment n.e.c.285
- 29 Manufacture of motor vehicles, trailers and semi-trailers71
- 30 Manufacture of other transport equipment29
- 31 Manufacture of furniture221
- 32 Other manufacturing136
- 33 Repair, maintenance and installation of machinery and equipment474
- 35 Electricity, gas, steam and air conditioning supply153
- 37 Sewerage24
- 38 Waste collection, recovery and disposal activities169
- 41 Construction of residential and non-residential buildings1,927
- 42 Civil engineering255
- 43 Specialised construction activities6,772
- 46 Wholesale trade4,612
- 47 Retail trade4,832
- 49 Land transport and transport via pipelines1,376
- 50 Water transport34
- 51 Air transport28
- 52 Warehousing, storage and support activities for transportation264
- 53 Postal and courier activities84
- 55 Accommodation765
- 56 Food and beverage service activities3,145
- 58 Publishing activities119
- 59 Motion picture, video and television programme production, sound recording and music publishing activities104
- 60 Programming, broadcasting, news agency and other content distribution activities22
- 61 Telecommunication47
- 62 Computer programming, consultancy and related activities1,724
- 63 Computing infrastructure, data processing, hosting and other information service activities327
- 64 Financial service activities, except insurance and pension funding5,038
- 65 Insurance, reinsurance and pension funding, except compulsory social security38
- 66 Activities auxiliary to financial services and insurance activities1,123
- 68 Real estate activities7,123
- 69 Legal and accounting activities2,125
- 70 Activities of head offices and management consultancy5,934
- 71 Architectural and engineering activities; technical testing and analysis1,600
- 72 Scientific research and development75
- 73 Activities of advertising, market research and public relations816
- 74 Other professional, scientific and technical activities451
- 75 Veterinary activities232
- 77 Rental and leasing activities428
- 78 Employment activities180
- 79 Travel agency, tour operator and other reservation service and related activities124
- 81 Services to buildings and landscape activities840
- 82 Office administrative, office support and other business support activities1,581
- 84 Public administration and defence; compulsory social security16
- 85 Education347
- 86 Human health activities4,164
- 87 Residential care activities132
- 88 Social work activities without accommodation154
- 90 Arts creation and performing arts activities224
- 91 Libraries, archives, museums and other cultural activities21
- 92 Gambling and betting activities19
- 93 Sports activities and amusement and recreation activities450
- 94 Activities of membership organisations52
- 95 Repair and maintenance of computers, personal and household goods, and motor vehicles and motorcycles504
- 96 Personal service activities638
Municipalities with the most companies in the sector · West Flanders
- 8020 Oostkamp (Hertsberge, Ruddervoorde, Waardamme)4
- 8500 Kortrijk4
- 8400 Ostend (Stene, Zandvoorde)3
- 8730 Beernem (Oedelem, Sint-Joris)3
- 8301 Knokke-Heist (Ramskapelle)2
- 8520 Kuurne2
- 8720 Dentergem (Markegem, Oeselgem, Wakken)2
- 8800 Roeselare (Beveren, Oekene, Rumbeke)2
- 8870 Izegem (Emelgem, Kachtem)2
- 8900 Ypres (Brielen, Dikkebus, Sint-Jan)2
- 8980 Zonnebeke (Beselare, Geluveld, Passendale, …)2
- 8000 Bruges (Koolkerke)1
Frequently asked questions
Which is the largest company in Investigation and security activities in West Flanders?
By total assets, it is Alertis (€14.1m, financial year 2025).
How many companies in Investigation and security activities in West Flanders are ranked?
51 out of 51 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.