Content of the page

You can find out more information for your country on our delivery information and returns & refunds pages.

The safety of our customers and COS staff members worldwide is our highest priority. We are closely monitoring updates in order to act quickly and following advice from the World Health Organisation and local authorities.

Please check our store locator for up to date opening times.

We love to hear from you, so if you’d like to get in touch about your online order, our stores or current collections, our team is here and ready to help.

If you have a question about your payment, please get in touch with Klarna.  

The quickest way to reach us is by calling our German, French and Italian speaking team on +41 43 508 2111.

You can also write to us at:
kundenservice.ch@cos.com (German speaking team)​
serviceclient.ch@cos.com (French speaking team)
servizioclienti.ch@cos.com (Italian speaking team) 

We are open:
Monday - Friday: 08:00 – 21:00 CET
Saturday: 09:00 – 17:00 CET
Sunday: 09:00 – 17:00 CET

If you need to contact one of our stores directly, you can find all the details in our Store Locator

Personal data requests
Our customer service team can also handle your personal data requests in relation to your rights stated in our Privacy Notice. You can write to us at the above email address. If you wish to contact out Data Protection Officer, please include "DPO" as the subject line.