If you have questions regarding a payment made with Instant Payments, please contact the merchant where you made your payment and they will be pleased to assist you.

For Merchant Support, please email support and we will respond within two business hours (Monday to Friday, 9AM-5PM PST).

In the event you have a complaint about our services which the merchant is unable to resolve, or you would like to report suspicious activity (e.g. security concerns) involving our service, please email support.

Sales inquiries can be sent to sales@citadelcommerce.com.

European Office – Head Office

Citadel Commerce UK Limited
120 New Cavendish Street, London, W1W 6XX
+44 020.7150.7420

Vancouver Office

Unit 710 - 4211 Kingsway, Burnaby, BC, Canada, V5H 1Z6
Tel: 1.604.299.6924

Malta Office

Level 3, Central North Business Centre, Fawwara Lane, Sliema, SLM 1670, Malta