Annual membership fees vary according to a company’s size, as outlined below:
| Size of company | Start-up / small business | Medium-sized enterprise | Large healthcare company* |
| Criteria | No oncology product on the market and revenues ≤ € 50 million | Either low revenues and at least one oncology product on the market or medium to large revenues and no oncology product on the market | At least one oncology product on the market and revenues ≥ € 1 billion |
| 2025 Membership fee | € 8 000** | € 20 500** | € 45 700** |
* Is considered Healthcare Company any company or commercial institution, or any division or subsidiary of any company or commercial institution, that is principally engaged in the health care industry, which shall include any types of health care business such as pharmaceutical companies; medical supply and equipment companies; technology, software, communications, financing and services vendors selling predominantly to health care companies; companies providing health insurance; clinical research organization and managed care companies.
**The membership fee is subject to an annual adjustment in line with the Belgian consumer price index for the previous year. Members are notified of fee inflation in September.