Activities of advertising, market research and public relations: the largest employers in Flemish Brabant
As of 14 Nov 2026, 177 companies in Activities of advertising, market research and public relations (NACE 73) in Flemish Brabant report employees in recent accounts (financial years 2023 to 2026). The 10 largest employers account for 1,202.5 FTE, out of 2,648.6 for all of them; median headcount is 3.1 FTE. Bauer Media Outdoor Belgium leads with 214.1 FTE (financial year 2025).
Top 50 · Activities of advertising, market research and public relations · Flemish Brabant
Ranked by average headcount (FTE) reported in the latest filed accounts (accounts less than 3 years old).
| # | Company | Total assets | Revenue | Equity | FTE | Year |
|---|---|---|---|---|---|---|
| 1 | Bauer Media Outdoor Belgium 1800 Vilvoorde | €72.2m | €71.0m | €24.4m | 214.1 | 2025 |
| 2 | Impact Sales & Marketing Belux 1932 Zaventem | €5.48m | €13.9m | €1.70m | 174.7 | 2026 |
| 3 | IQVIA Solutions Belgium 1930 Zaventem | €78.1m | €33.1m | €17.2m | 134.8 | 2025 |
| 4 | Shelf Service 1731 Asse | €9.23m | €19.9m | €3.48m | 130.3 | 2025 |
| 5 | Ads & Data 1800 Vilvoorde | €58.7m | €27.8m | €1.14m | 125.6 | 2025 |
| 6 | Omnicom Media Belgium 1560 Hoeilaart | €95.6m | €213.6m | €15.6m | 115.0 | 2025 |
| 7 | The House of Marketing 1831 Machelen (Brab.) | €24.0m | €14.9m | €2.86m | 79.4 | 2025 |
| 8 | NielsenIQ Belgium 3000 Leuven | €138.8m | €29.8m | €126.9m | 78.5 | 2024 |
| 9 | Omnicom Advertising Group Belgium 1930 Zaventem | €45.1m | €30.0m | €23.9m | 75.6 | 2025 |
| 10 | T.B.W.A. 1930 Zaventem | €29.6m | €29.8m | 570,468 € | 74.5 | 2025 |
| 11 | GFK Belgium 3000 Leuven | €30.9m | €31.5m | €7.74m | 73.5 | 2025 |
| 12 | MetiSelect 1790 Affligem | €3.48m | — | €1.47m | 64.8 | 2025 |
| 13 | Promo Sapiens 1932 Zaventem | €3.87m | €7.38m | €1.91m | 49.6 | 2026 |
| 14 | Vlaamse Audiovisuele Regie 1932 Zaventem | €71.2m | €107.9m | €10.7m | 48.4 | 2025 |
| 15 | YouGov CP Belgium 3000 Leuven | €28.3m | €5.93m | €5.05m | 46.6 | 2025 |
| 16 | Happiness Brussels 1800 Vilvoorde | €9.75m | €14.1m | 364,453 € | 44.2 | 2025 |
| 17 | Haystack 3001 Leuven | €5.36m | — | €2.27m | 44.1 | 2025 |
| 18 | AddRetail 1831 Machelen (Brab.) | €3.66m | €8.33m | €1.60m | 38.7 | 2025 |
| 19 | Omnicom Media Group 1560 Hoeilaart | €68.1m | €119.5m | €1.84m | 34.6 | 2025 |
| 20 | Boondoggle Havas 3000 Leuven | €3.20m | €6.93m | 623,152 € | 33.7 | 2024 |
| 21 | BBDO 1930 Zaventem | €16.0m | — | 760,858 € | 33.6 | 2025 |
| 22 | THAU 3020 Herent | €5.02m | — | 197,553 € | 32.0 | 2025 |
| 23 | Immoscoop 2.0 3018 Leuven | €5.51m | — | €1.61m | 30.7 | 2025 |
| 24 | Absoluut 3018 Leuven | €2.55m | — | 151,391 € | 29.4 | 2025 |
| 25 | HighCo DATA Benelux 1730 Asse | €7.30m | €7.04m | €3.07m | 26.7 | 2025 |
| 26 | DDB 1930 Zaventem | €5.77m | — | 257,818 € | 24.6 | 2025 |
| 27 | Redpharma 1930 Zaventem | €6.49m | — | €1.36m | 24.1 | 2025 |
| 28 | Publiroute 1731 Asse | €17.2m | — | €11.8m | 23.0 | 2025 |
| 29 | PHD Media 1560 Hoeilaart | €18.8m | €39.4m | €1.43m | 22.8 | 2025 |
| 30 | Sportizon 1800 Vilvoorde | €4.60m | €10.9m | 320,289 € | 21.6 | 2025 |
| 31 | AdSomeNoise 3000 Leuven | €2.20m | — | 454,668 € | 21.4 | 2025 |
| 32 | StaffYourTribe 3191 Boortmeerbeek | €2.47m | — | 561,566 € | 21.0 | 2025 |
| 33 | OMD 1560 Hoeilaart | €16.2m | €58.4m | 958,429 € | 20.8 | 2025 |
| 34 | Pharma Nord 1930 Zaventem | €1.77m | — | 20,513 € | 20.6 | 2025 |
| 35 | ZIGT Media 1930 Zaventem | €13.5m | €52.9m | 763,586 € | 20.6 | 2025 |
| 36 | Veoware 3000 Leuven | €4.86m | — | −756,335 € | 20.4 | 2025 |
| 37 | Roger Van Overstraeten Society 3001 Leuven | 976,443 € | — | 194,674 € | 19.8 | 2025 |
| 38 | iVOX 3000 Leuven | €2.42m | — | 493,069 € | 19.7 | 2025 |
| 39 | Wingman Agency 3000 Leuven | 697,484 € | — | 89,369 € | 19.0 | 2025 |
| 40 | IP Belgian Services Company 1831 Machelen (Brab.) | €30.4m | €32.6m | €17.0m | 18.5 | 2025 |
| 41 | Amphion 2.0 1800 Vilvoorde | €1.85m | — | 81,519 € | 18.1 | 2025 |
| 42 | advert'HYPE 3190 Boortmeerbeek | 638,098 € | — | −449,051 € | 17.7 | 2025 |
| 43 | Head Office 3020 Herent | €3.35m | €5.30m | 13,948 € | 17.5 | 2025 |
| 44 | Belgian Posters 1785 Merchtem | €7.37m | €12.4m | €3.10m | 16.7 | 2025 |
| 45 | Zenchef Belgium 1831 Machelen (Brab.) | €5.51m | — | 949,163 € | 16.6 | 2025 |
| 46 | Hotel Bonka Communication 3020 Herent | €2.70m | — | 409,260 € | 15.7 | 2025 |
| 47 | Castaar.COM 1755 Pajottegem | 887,639 € | — | 416,363 € | 14.8 | 2025 |
| 48 | Mobiel 21 3000 Leuven | €2.16m | — | €1.11m | 14.7 | 2025 |
| 49 | Effective Media 1731 Asse | €1.46m | — | 118,915 € | 13.0 | 2025 |
| 50 | DiNa Consultancy & Trading 1930 Zaventem | 753,146 € | — | 174,615 € | 11.9 | 2023 |
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. Headcount reported by the company for all its sites: the jobs may be located elsewhere.
“—”: not published. Small companies (micro and abridged accounts) do not have to publish their revenue.
Activities of advertising, market research and public relations across Belgium → All sectors · Flemish Brabant →
Other sectors · Flemish Brabant
- 01 Crop and animal production, hunting and related service activities186
- 10 Manufacture of food products245
- 11 Manufacture of beverages30
- 13 Manufacture of textiles16
- 16 Manufacture of wood and of products of wood and cork, except furniture; manufacture of articles of straw and plaiting materials40
- 17 Manufacture of paper and paper products24
- 18 Printing and reproduction of recorded media63
- 20 Manufacture of chemicals and chemical products29
- 22 Manufacture of rubber and plastic products42
- 23 Manufacture of other non-metallic mineral products45
- 24 Manufacture of basic metals11
- 25 Manufacture of fabricated metal products, except machinery and equipment158
- 26 Manufacture of computer, electronic and optical products50
- 27 Manufacture of electrical equipment31
- 28 Manufacture of machinery and equipment n.e.c.90
- 29 Manufacture of motor vehicles, trailers and semi-trailers16
- 30 Manufacture of other transport equipment10
- 31 Manufacture of furniture59
- 32 Other manufacturing64
- 33 Repair, maintenance and installation of machinery and equipment73
- 37 Sewerage12
- 38 Waste collection, recovery and disposal activities34
- 41 Construction of residential and non-residential buildings578
- 42 Civil engineering84
- 43 Specialised construction activities1,405
- 46 Wholesale trade1,557
- 47 Retail trade1,707
- 49 Land transport and transport via pipelines531
- 51 Air transport11
- 52 Warehousing, storage and support activities for transportation112
- 53 Postal and courier activities33
- 55 Accommodation75
- 56 Food and beverage service activities1,274
- 58 Publishing activities40
- 59 Motion picture, video and television programme production, sound recording and music publishing activities62
- 61 Telecommunication32
- 62 Computer programming, consultancy and related activities590
- 63 Computing infrastructure, data processing, hosting and other information service activities37
- 64 Financial service activities, except insurance and pension funding229
- 66 Activities auxiliary to financial services and insurance activities292
- 68 Real estate activities439
- 69 Legal and accounting activities479
- 70 Activities of head offices and management consultancy543
- 71 Architectural and engineering activities; technical testing and analysis264
- 72 Scientific research and development38
- 74 Other professional, scientific and technical activities51
- 75 Veterinary activities56
- 77 Rental and leasing activities63
- 78 Employment activities49
- 79 Travel agency, tour operator and other reservation service and related activities41
- 80 Investigation and security activities22
- 81 Services to buildings and landscape activities286
- 82 Office administrative, office support and other business support activities146
- 85 Education106
- 86 Human health activities483
- 87 Residential care activities91
- 88 Social work activities without accommodation133
- 90 Arts creation and performing arts activities47
- 91 Libraries, archives, museums and other cultural activities14
- 93 Sports activities and amusement and recreation activities110
- 94 Activities of membership organisations64
- 95 Repair and maintenance of computers, personal and household goods, and motor vehicles and motorcycles152
- 96 Personal service activities282
Municipalities with the most companies in the sector · Flemish Brabant
Frequently asked questions
Which is the largest employer in Activities of advertising, market research and public relations in Flemish Brabant?
Among companies, Bauer Media Outdoor Belgium, with 214.1 full-time equivalents reported (financial year 2025).
Are all the jobs located in the area?
Not necessarily: headcount is reported by the company for all its sites, and the company is ranked by the address of its registered office. 177 out of 1,760 companies in the sector report employees there.
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.
Analyse companies · Flemish Brabant
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Open the full file →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.