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Was there a problem with your delivery? Tell us about your complaint by email, post or phone. Our staff will investigate and attempt to resolve the situation to everyone’s satisfaction.

Our details:


+31 (0)30 6381222 during office hours (Mondays to Fridays, 08:30-17:00 CET)

Postal address:
Siena D.
Antwoordnummer 7055
3990 TB Houten
The Netherlands

All complaints received are confirmed by email. So please make sure you include your contact details (email, phone, address). We will respond to your complaint within 14 working days of receipt. If we need more time, we will let you know. If you are still not happy, you can contact the mediation department of the foundation to which Siena D. is affiliated (Stichting Webshop Keurmerk).