Costco Wholesale UK Home Office
Hartspring Lane
Watford
WD25 8JS

Telephone: 01923 213 113

Registered No. 2635489
VAT No. GB 650 1862 52

Membership Enquiries & Member Services:
memberservices@costco.co.uk

Executive Membership Enquiries:
execmember@costco.co.uk

How to become a Vendor:
vendorcontacts@costco.co.uk

Specific warehouse addresses can be found on the locations webpage, click here to find out more.

To report website issues (i.e. broken links) email:
webmaster@costco.co.uk