Highest published revenue in Leuven (Heverlee)
179 companies registered in 3001 Leuven (Heverlee) publish their revenue in recent accounts; here are the top 20. Interuniversitair Micro-Electronica Centrum leads with €804.3m (financial year 2025).
Top 20
Ranked by revenue published in the latest filed accounts (accounts less than 3 years old).
| # | Company | Total assets | Revenue | Equity | FTE | Year |
|---|---|---|---|---|---|---|
| 1 | Interuniversitair Micro-Electronica Centrum Scientific research and development | €1.27bn | €804.3m | €512.1m | 2,904.3 | 2025 |
| 2 | Terumo Europe Other manufacturing | €979.9m | €799.2m | €590.9m | 721.3 | 2026 |
| 3 | VWR International Wholesale trade | €1.12bn | €538.9m | €952.2m | — | 2025 |
| 4 | Siemens Industry Software Architectural and engineering activities; technical testing and analysis | €482.8m | €353.6m | €205.5m | 486.8 | 2025 |
| 5 | Donaldson Europe Activities of head offices and management consultancy | €1.12bn | €320.8m | €744.9m | 503.3 | 2025 |
| 6 | GC Europe Wholesale trade | €107.3m | €209.0m | €45.8m | 134.6 | 2026 |
| 7 | Materialise Other manufacturing | €394.7m | €181.0m | €259.8m | 605.9 | 2025 |
| 8 | JSR Micro Manufacture of chemicals and chemical products | €144.7m | €174.6m | €109.6m | 213.1 | 2026 |
| 9 | TOMRA Food (Belgium) Manufacture of machinery and equipment n.e.c. | €143.0m | €159.5m | €8.86m | 181.1 | 2025 |
| 10 | IDEWE - Externe dienst voor Preventie en Bescherming op het werk Human health activities | €105.6m | €129.6m | €70.5m | 806.9 | 2025 |
| 11 | General Mobility Services Retail trade | €18.8m | €106.7m | €7.33m | 83.7 | 2025 |
| 12 | Jungheinrich Wholesale trade | €60.8m | €100.7m | €14.2m | 239.1 | 2025 |
| 13 | Yamazaki Mazak Europe Wholesale trade | €84.6m | €89.1m | €71.5m | 74.2 | 2026 |
| 14 | UC Leuven Education | €102.9m | €85.7m | €62.9m | 174.9 | 2025 |
| 15 | Septentrio Architectural and engineering activities; technical testing and analysis | €89.9m | €74.9m | €76.7m | 120.8 | 2025 |
| 16 | Simac Telecommunication | €40.6m | €69.7m | €10.6m | 167.2 | 2025 |
| 17 | GC Manufacturing Europe Other manufacturing | €36.1m | €68.5m | €18.1m | 38.0 | 2026 |
| 18 | AE Computer programming, consultancy and related activities | €27.3m | €64.8m | €9.10m | 336.0 | 2025 |
| 19 | Medpace Laboratories Human health activities | €25.6m | €58.2m | €17.1m | 156.5 | 2025 |
| 20 | integrated DNA technologies Manufacture of chemicals and chemical products | €27.4m | €57.2m | €15.4m | 175.8 | 2025 |
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.
← All companies in Leuven (Heverlee)
Frequently asked questions
Which company in Leuven (Heverlee) has the highest revenue?
Interuniversitair Micro-Electronica Centrum, with €804.3m in revenue (financial year 2025).
How many companies in Leuven (Heverlee) publish their revenue?
179 out of 1,656, in accounts less than 3 years old. Small companies (micro and abridged accounts) are not required to publish it.
Analyse companies in Leuven (Heverlee)
Filter these companies by size, soundness and trend, follow them and get an alert when their accounts or publications change.
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 12 Nov 2026.