Ranking · Flemish Brabant · NACE 21
Manufacture of basic pharmaceutical products and pharmaceutical preparations: the largest companies in Flemish Brabant
As of 14 Nov 2026, 38 companies in Manufacture of basic pharmaceutical products and pharmaceutical preparations (NACE 21) in Flemish Brabant publish total assets in recent accounts (financial years 2024 to 2026). The top 10 account for €183.0m, out of €199.3m for all of them; median total assets are 805,597 €. Mecs Europe/Africa leads with €72.9m (financial year 2025).
Top 38 · Manufacture of basic pharmaceutical products and pharmaceutical preparations · Flemish Brabant
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 | Mecs Europe/Africa 1560 Hoeilaart | €72.9m | €44.9m | €44.1m | 23.7 | 2025 |
| 2 | Namsa Belgium 3290 Diest | €41.5m | 421,384 € | €5.29m | 5.1 | 2025 |
| 3 | Opella Healthcare Belgium NV/SA 1831 Machelen (Brab.) | €32.3m | €36.2m | €20.7m | 39.1 | 2025 |
| 4 | Upjohn 1560 Hoeilaart | €12.3m | — | €12.1m | — | 2025 |
| 5 | Avondvrede 1630 Linkebeek | €6.43m | — | 751,439 € | — | 2025 |
| 6 | Perseus Biomics 3001 Leuven | €5.25m | — | €2.06m | 14.3 | 2025 |
| 7 | MAATSCHAPPIJ voor INVESTERING en BEDRIJFSONTWIKKELING 1770 Liedekerke | €3.93m | — | €2.90m | — | 2025 |
| 8 | Investerings- Beheer- en Studievennootschap 1853 Grimbergen | €3.47m | — | €1.12m | — | 2025 |
| 9 | Dokterspraktijk Marten Geyskens 3270 Scherpenheuvel-Zichem | €2.59m | — | €1.20m | 2.2 | 2025 |
| 10 | GRNR Invest 1980 Zemst | €2.26m | — | €1.12m | — | 2025 |
| 11 | DR. JAN DE JONGH-Huisarts 3294 Diest | €2.13m | — | €1.03m | — | 2024 |
| 12 | Immo Chason 1700 Dilbeek | €1.63m | — | €1.54m | — | 2026 |
| 13 | Transinvest 3320 Hoegaarden | €1.43m | — | €1.43m | — | 2025 |
| 14 | WDG Immo 1850 Grimbergen | €1.36m | 85,990 € | 935,475 € | — | 2025 |
| 15 | ROAN 1840 Londerzeel | €1.27m | — | €1.22m | — | 2025 |
| 16 | Dr. Ghijsels Erik, Nefroloog 1790 Affligem | €1.18m | — | 99,374 € | — | 2025 |
| 17 | Action Real Estate 1640 Sint-Genesius-Rode | €1.09m | — | 228,658 € | — | 2025 |
| 18 | Busco 3120 Tremelo | 839,725 € | — | 836,381 € | — | 2025 |
| 19 | Fimatex 1780 Wemmel | 838,432 € | — | −377,681 € | — | 2025 |
| 20 | FA Clinical Research 1840 Londerzeel | 772,762 € | — | 247,120 € | — | 2025 |
| 21 | P.V.E. - Technics 3271 Scherpenheuvel-Zichem | 711,229 € | — | −19,069 € | — | 2025 |
| 22 | Biomedico 3110 Rotselaar | 689,475 € | — | 178,528 € | 3.0 | 2025 |
| 23 | Medipharm Worldwide Group 3300 Tienen | 331,081 € | — | 217,904 € | — | 2025 |
| 24 | Care4Excellence 3090 Overijse | 307,250 € | — | 135,721 € | — | 2025 |
| 25 | Clinical Research Vanackere 3390 Tielt-Winge | 263,927 € | — | 180,771 € | — | 2025 |
| 26 | Rondpunt Raadgevingen & Diensten 1850 Grimbergen | 255,729 € | — | 77,149 € | — | 2025 |
| 27 | Pledge Therapeutics 3001 Leuven | 229,854 € | — | −€3.80m | 6.6 | 2025 |
| 28 | SpectronRx Europe 1850 Grimbergen | 198,933 € | — | −117,302 € | — | 2025 |
| 29 | Marlon 1742 Ternat | 181,339 € | — | 31,182 € | 0.8 | 2025 |
| 30 | Nuclear Fuel Experts 3080 Tervuren | 137,815 € | — | 125,104 € | — | 2025 |
| 31 | Attito Management 1880 Kapelle-op-den-Bos | 131,498 € | — | 12,077 € | — | 2025 |
| 32 | A1 - Vanhamme et Co 1930 Zaventem | 90,123 € | — | 74,359 € | — | 2025 |
| 33 | C.K. MARTIN en CO. 1700 Dilbeek | 64,746 € | — | 54,870 € | — | 2026 |
| 34 | Feles 1653 Beersel | 49,332 € | — | 9,732 € | — | 2025 |
| 35 | Dental Center DL 1800 Vilvoorde | 37,750 € | — | 23,186 € | — | 2025 |
| 36 | RheADC 3001 Leuven | 31,395 € | — | −114,379 € | — | 2025 |
| 37 | Raya Therapeutic 3001 Leuven | 5,330 € | — | −5,962 € | — | 2025 |
| 38 | De Clerck Consulting en Design 3150 Haacht | 310 € | — | −33,654 € | — | 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.
Manufacture of basic pharmaceutical products and pharmaceutical preparations across Belgium → All sectors · Flemish Brabant →
Other sectors · Flemish Brabant
- 01 Crop and animal production, hunting and related service activities578
- 02 Forestry and logging32
- 08 Other mining and quarrying13
- 10 Manufacture of food products446
- 11 Manufacture of beverages78
- 13 Manufacture of textiles43
- 14 Manufacture of wearing apparel33
- 16 Manufacture of wood and of products of wood and cork, except furniture; manufacture of articles of straw and plaiting materials120
- 17 Manufacture of paper and paper products32
- 18 Printing and reproduction of recorded media210
- 20 Manufacture of chemicals and chemical products56
- 22 Manufacture of rubber and plastic products65
- 23 Manufacture of other non-metallic mineral products103
- 24 Manufacture of basic metals23
- 25 Manufacture of fabricated metal products, except machinery and equipment387
- 26 Manufacture of computer, electronic and optical products95
- 27 Manufacture of electrical equipment77
- 28 Manufacture of machinery and equipment n.e.c.150
- 29 Manufacture of motor vehicles, trailers and semi-trailers41
- 30 Manufacture of other transport equipment17
- 31 Manufacture of furniture116
- 32 Other manufacturing156
- 33 Repair, maintenance and installation of machinery and equipment333
- 35 Electricity, gas, steam and air conditioning supply74
- 37 Sewerage26
- 38 Waste collection, recovery and disposal activities75
- 39 Remediation activities and other waste management service activities22
- 41 Construction of residential and non-residential buildings3,662
- 42 Civil engineering294
- 43 Specialised construction activities6,325
- 46 Wholesale trade3,996
- 47 Retail trade4,704
- 49 Land transport and transport via pipelines1,858
- 50 Water transport11
- 51 Air transport34
- 52 Warehousing, storage and support activities for transportation305
- 53 Postal and courier activities135
- 55 Accommodation230
- 56 Food and beverage service activities2,727
- 58 Publishing activities167
- 59 Motion picture, video and television programme production, sound recording and music publishing activities359
- 60 Programming, broadcasting, news agency and other content distribution activities37
- 61 Telecommunication98
- 62 Computer programming, consultancy and related activities4,614
- 63 Computing infrastructure, data processing, hosting and other information service activities521
- 64 Financial service activities, except insurance and pension funding2,304
- 65 Insurance, reinsurance and pension funding, except compulsory social security22
- 66 Activities auxiliary to financial services and insurance activities811
- 68 Real estate activities4,996
- 69 Legal and accounting activities2,573
- 70 Activities of head offices and management consultancy7,650
- 71 Architectural and engineering activities; technical testing and analysis1,570
- 72 Scientific research and development142
- 73 Activities of advertising, market research and public relations1,741
- 74 Other professional, scientific and technical activities558
- 75 Veterinary activities194
- 77 Rental and leasing activities319
- 78 Employment activities235
- 79 Travel agency, tour operator and other reservation service and related activities124
- 80 Investigation and security activities62
- 81 Services to buildings and landscape activities1,143
- 82 Office administrative, office support and other business support activities1,795
- 84 Public administration and defence; compulsory social security16
- 85 Education544
- 86 Human health activities4,953
- 87 Residential care activities104
- 88 Social work activities without accommodation191
- 90 Arts creation and performing arts activities397
- 91 Libraries, archives, museums and other cultural activities27
- 92 Gambling and betting activities22
- 93 Sports activities and amusement and recreation activities481
- 94 Activities of membership organisations117
- 95 Repair and maintenance of computers, personal and household goods, and motor vehicles and motorcycles522
- 96 Personal service activities1,095
Municipalities with the most companies in the sector · Flemish Brabant
- 3001 Leuven (Heverlee)6
- 1560 Hoeilaart3
- 1850 Grimbergen3
- 3300 Tienen (Bost, Goetsenhoven, Hakendover, …)3
- 1700 Dilbeek (Sint-Martens-Bodegem, Sint-Ulriks-Kapelle)2
- 1831 Machelen (Brab.) (Diegem)2
- 1840 Londerzeel (Malderen, Steenhuffel)2
- 1501 Halle (Buizingen)1
- 1630 Linkebeek1
- 1640 Sint-Genesius-Rode (Rhode-Saint-Genèse)1
- 1653 Beersel (Dworp)1
- 1742 Ternat (Sint-Katherina-Lombeek)1
Frequently asked questions
Which is the largest company in Manufacture of basic pharmaceutical products and pharmaceutical preparations in Flemish Brabant?
By total assets, it is Mecs Europe/Africa (€72.9m, financial year 2025).
How many companies in Manufacture of basic pharmaceutical products and pharmaceutical preparations in Flemish Brabant are ranked?
38 out of 46 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.