Membership fees
Membership fees 2025
| Turnover in million € (latest completed financial year) | Personnel | Membership fee €/year |
| <1,5 | 1-9 | 200 |
| 10-19 | 320 | |
| 20-49 | 440 | |
| 50-99 | 690 | |
| >1,5 | 1-19 | 440 |
| 20-49 | 690 | |
| 50-99 | 900 | |
| >100 | 1150 | |
| >8 | 1-19 | 690 |
| 20-49 | 900 | |
| 50-99 | 1150 | |
| >100 | 1400 | |
| >15 | 1-49 | 1150 |
| 50-99 | 1400 | |
| 100-149 | 2300 | |
| >150 | 3200 | |
| >80 | <250 | 3400 |
| ≥250 | 3800 |
Membership fees for municipalities
| Number of residents | Membership fee € |
| <3000 | 460 |
| 3001-5000 | 770 |
| 5001-7000 | 1100 |
| 7001-10000 | 1480 |
| 10001-50000 | 1900 |
| >50001 | 3600 |
Associations and similar entities 200 €
Personal members 100 € / we do not accept new personal member applications