Scientific research and development: highest revenue in East Flanders
As of 14 Nov 2026, 18 companies in Scientific research and development (NACE 72) in East Flanders publish their revenue in recent accounts (financial year 2025). The top 10 account for €4.38bn, out of €4.38bn for all of them; median revenue is €6.50m. argenx leads with €3.80bn (financial year 2025).
Top 18 · Scientific research and development · East Flanders
Ranked by revenue published in the latest filed accounts (accounts less than 3 years old).
| # | Company | Total assets | Revenue | Equity | FTE | Year |
|---|---|---|---|---|---|---|
| 1 | argenx 9052 Ghent | €7.01bn | €3.80bn | €5.71bn | 510.9 | 2025 |
| 2 | Legend Biotech Belgium 9052 Ghent | €142.4m | €285.9m | €62.9m | 846.9 | 2025 |
| 3 | Ablynx 9052 Ghent | €417.3m | €147.9m | €359.2m | 363.5 | 2025 |
| 4 | Vlaams Instituut voor Biotechnologie - Flanders Institute for Biotechnology 9052 Ghent | €323.7m | €52.6m | €172.4m | 928.4 | 2025 |
| 5 | Oystershell 9820 Merelbeke-Melle | €32.7m | €39.8m | €15.1m | 37.6 | 2025 |
| 6 | Eurofins Amatsigroup 9052 Ghent | €6.78m | €17.5m | €3.65m | 76.4 | 2025 |
| 7 | Omega Pharma Innovation & Development 9050 Ghent | €246.6m | €16.3m | €240.2m | 38.2 | 2025 |
| 8 | Inari Agriculture, NV 9052 Ghent | €12.1m | €12.1m | €10.2m | 56.5 | 2025 |
| 9 | Orionis Biosciences 9052 Ghent | €6.88m | €11.6m | €4.92m | 36.3 | 2025 |
| 10 | PharmaFluidics 9052 Ghent | €16.4m | €1.44m | €15.9m | 13.8 | 2025 |
| 11 | Devgen 9052 Ghent | €130.9m | €1.13m | €128.3m | 2.9 | 2025 |
| 12 | Pxlence 9000 Ghent | 147,731 € | 307,489 € | −75,779 € | — | 2025 |
| 13 | the International Network for Information on Ventilation and Energy performance 9000 Ghent | 676,007 € | 239,033 € | 175,467 € | — | 2025 |
| 14 | ORSI Academy 9090 Merelbeke-Melle | €2.02m | 237,028 € | €1.51m | — | 2025 |
| 15 | Confo Therapeutics 9052 Ghent | €37.8m | 176,727 € | €33.3m | 59.0 | 2025 |
| 16 | Aphea.Bio 9052 Ghent | €16.2m | 14,118 € | €11.4m | 56.9 | 2025 |
| 17 | Spray Ventures 9800 Deinze | 27,331 € | 4,968 € | −€3.69m | — | 2025 |
| 18 | Koninklijke Academie voor Nederlandse Taal en Letteren 9000 Ghent | €1.52m | 593 € | 998,004 € | 6.4 | 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. These are the revenue figures published in the annual accounts. Small companies (micro and abridged accounts) do not have to publish theirs: they do not appear in this ranking.
Scientific research and development across Belgium → All sectors · East Flanders →
Other sectors · East Flanders
- 01 Crop and animal production, hunting and related service activities34
- 10 Manufacture of food products139
- 13 Manufacture of textiles33
- 14 Manufacture of wearing apparel11
- 16 Manufacture of wood and of products of wood and cork, except furniture; manufacture of articles of straw and plaiting materials20
- 17 Manufacture of paper and paper products13
- 18 Printing and reproduction of recorded media12
- 20 Manufacture of chemicals and chemical products56
- 22 Manufacture of rubber and plastic products41
- 23 Manufacture of other non-metallic mineral products36
- 24 Manufacture of basic metals20
- 25 Manufacture of fabricated metal products, except machinery and equipment79
- 26 Manufacture of computer, electronic and optical products20
- 27 Manufacture of electrical equipment12
- 28 Manufacture of machinery and equipment n.e.c.35
- 29 Manufacture of motor vehicles, trailers and semi-trailers15
- 31 Manufacture of furniture15
- 33 Repair, maintenance and installation of machinery and equipment24
- 35 Electricity, gas, steam and air conditioning supply20
- 38 Waste collection, recovery and disposal activities31
- 41 Construction of residential and non-residential buildings133
- 42 Civil engineering64
- 43 Specialised construction activities246
- 46 Wholesale trade532
- 47 Retail trade303
- 49 Land transport and transport via pipelines136
- 52 Warehousing, storage and support activities for transportation85
- 55 Accommodation23
- 56 Food and beverage service activities83
- 58 Publishing activities12
- 59 Motion picture, video and television programme production, sound recording and music publishing activities14
- 62 Computer programming, consultancy and related activities163
- 63 Computing infrastructure, data processing, hosting and other information service activities12
- 64 Financial service activities, except insurance and pension funding329
- 66 Activities auxiliary to financial services and insurance activities28
- 68 Real estate activities235
- 69 Legal and accounting activities57
- 70 Activities of head offices and management consultancy240
- 71 Architectural and engineering activities; technical testing and analysis56
- 73 Activities of advertising, market research and public relations28
- 74 Other professional, scientific and technical activities14
- 77 Rental and leasing activities29
- 78 Employment activities12
- 81 Services to buildings and landscape activities53
- 82 Office administrative, office support and other business support activities66
- 85 Education94
- 86 Human health activities97
- 87 Residential care activities79
- 88 Social work activities without accommodation43
- 90 Arts creation and performing arts activities23
- 93 Sports activities and amusement and recreation activities33
- 94 Activities of membership organisations22
- 95 Repair and maintenance of computers, personal and household goods, and motor vehicles and motorcycles40
- 96 Personal service activities28
Municipalities with the most companies in the sector · East Flanders
- 9052 Ghent (Zwijnaarde)29
- 9000 Ghent22
- 9300 Aalst10
- 9940 Evergem (Ertvelde, Kluizen, Sleidinge)7
- 9051 Ghent (Afsnee, Sint-Denijs-Westrem)6
- 9050 Ghent (Gentbrugge, Ledeberg)5
- 9080 Lochristi (Beervelde, Zaffelare, Zeveneken)5
- 9200 Dendermonde (Appels, Baasrode, Grembergen, …)5
- 9700 Oudenaarde (Bevere, Edelare, Eine, …)5
- 9070 Destelbergen (Heusden)4
- 9800 Deinze (Astene, Bachte-Maria-Leerne, Gottem, …)4
- 9820 Merelbeke-Melle (Bottelare, Lemberge, Melsen, …)4
Frequently asked questions
Which company in Scientific research and development in East Flanders has the highest revenue?
argenx, with €3.80bn of published revenue (financial year 2025).
Why are some companies missing?
Small companies (micro and abridged accounts) do not have to publish their revenue: only the 18 that publish it, out of 171 companies in the sector in the area, are ranked.
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 · East Flanders
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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.