Municipality in Flemish Brabant
Companies in Hoeilaart
Active companies, associations and other legal entities with their registered office in Hoeilaart (1560), by activity, the largest according to the annual accounts and the newest.
Activities
By activity companies in Hoeilaart
70Activities of head offices and management consultancy16362Computer programming, consultancy and related activities7343Specialised construction activities6273Activities of advertising, market research and public relations5647Retail trade5186Human health activities4968Real estate activities4369Legal and accounting activities4371Architectural and engineering activities; technical testing and analysis3846Wholesale trade3741Construction of residential and non-residential buildings3582Office administrative, office support and other business support activities2556Food and beverage service activities2464Financial service activities, except insurance and pension funding2485Education24
All 62 activities
93Sports activities and amusement and recreation activities1681Services to buildings and landscape activities1549Land transport and transport via pipelines1466Activities auxiliary to financial services and insurance activities1263Computing infrastructure, data processing, hosting and other information service activities1196Personal service activities1074Other professional, scientific and technical activities995Repair and maintenance of computers, personal and household goods, and motor vehicles and motorcycles784Public administration and defence; compulsory social security690Arts creation and performing arts activities601Crop and animal production, hunting and related service activities510Manufacture of food products518Printing and reproduction of recorded media577Rental and leasing activities588Social work activities without accommodation428Manufacture of machinery and equipment n.e.c.352Warehousing, storage and support activities for transportation359Motion picture, video and television programme production, sound recording and music publishing activities375Veterinary activities394Activities of membership organisations302Forestry and logging211Manufacture of beverages214Manufacture of wearing apparel220Manufacture of chemicals and chemical products221Manufacture of basic pharmaceutical products and pharmaceutical preparations225Manufacture of fabricated metal products, except machinery and equipment233Repair, maintenance and installation of machinery and equipment235Electricity, gas, steam and air conditioning supply255Accommodation265Insurance, reinsurance and pension funding, except compulsory social security278Employment activities279Travel agency, tour operator and other reservation service and related activities213Manufacture of textiles116Manufacture of wood and of products of wood and cork, except furniture; manufacture of articles of straw and plaiting materials124Manufacture of basic metals130Manufacture of other transport equipment131Manufacture of furniture132Other manufacturing136Water collection, treatment and supply138Waste collection, recovery and disposal activities139Remediation activities and other waste management service activities153Postal and courier activities158Publishing activities161Telecommunication172Scientific research and development187Residential care activities191Libraries, archives, museums and other cultural activities1
Annual accounts
Largest companies in Hoeilaart
By revenue
- 1Viatris International Supply PointWholesale of pharmaceutical and medical goods€2.7bn2025
- 2Omnicom Media BelgiumActivities of advertising agencies€213.6m2025
- 3ViatrisWholesale of pharmaceutical and medical goods€163.7m2025
- 4Merck Life ScienceWholesale of chemical products€158.5m2025
- 5Schweppes Suntory BeneluxManufacture of soft drinks and bottled waters€141.6m2025
- 6Omnicom Media GroupActivities of advertising agencies€119.5m2025
- 7OmdActivities of advertising agencies€58.4m2025
- 8Mecs Europe/AfricaManufacture of basic pharmaceutical products€44.9m2025
- 9MerckWholesale of pharmaceutical and medical goods€42.6m2025
- 10PHD MediaActivities of advertising agencies€39.4m2025
By staff
- 1Francois CasteleinBusiness and other management consultancy activities79,252 FTE2025
- 2ViatrisWholesale of pharmaceutical and medical goods138 FTE2025
- 3Omnicom Media BelgiumActivities of advertising agencies115 FTE2025
- 4Schweppes Suntory BeneluxManufacture of soft drinks and bottled waters109 FTE2025
- 5DPS Group BelgiumComputer programming activities97 FTE2024
- 6MerckWholesale of pharmaceutical and medical goods57 FTE2025
- 7Van CaudenbergFreight transport by road52 FTE2025
- 8Intercommunale Vereniging voor de Ophaling van Afvalstoffen in de Gemeenten van de vroegere randfederatie TervurenCollection of non-hazardous waste49 FTE2024
- 9Merck Life ScienceWholesale of chemical products46 FTE2025
- 10Transport DebrouwerFreight transport by road46 FTE2025
According to the latest filed annual accounts. Revenue only appears in the full format; small companies usually do not report it. Figures only, no judgement.
New businesses
New in Hoeilaart
- 9 Oct 2026Sureau And CoBusiness and other management consultancy activities
- 6 Oct 2026Pedia MP
- 5 Oct 2026SteloraBusiness and other management consultancy activities
- 2 Oct 2026Birte Vandervoort
- 30 Sept 2026Dter Production
- 28 Sept 2026Rhea VerbekeActivities of head offices
- 23 Sept 2026Conception RobertConstruction of residential and non-residential buildings
- 23 Sept 2026Insikt ManagementEngineering activities and related technical consultancy
Municipalities
Nearby
Source: CBE (registered office, establishments and main activity according to NACE-BEL 2025) and the filed annual accounts. Only active legal entities; we do not show sole proprietorships by name. Updated every night.
Other municipalities in Flemish Brabant: Flemish Brabant · All municipalities · All activities