Our office is located in the heart of Utrecht

You can visit, call or send us an email

For visitors:
Address: Willemstraat 7, 3511 RJ, Utrecht
Opening hours: Monday to Friday 10:00 - 17:00

Phone number: +31 30 2317721

Send us an e-mail:
E-mail: info@siw.nl

Our account number:
You can pay the registration fee or make donations to the following account:

SIW Internationale Vrijwilligersprojecten
IBAN: NL28 INGB 0000 0040 75


Ask a question

Do you have a question or would you like more information? Feel free to contact us. We are happy to think along with you!