How to make a Complaint to Costco
Complaints handling is available on the Costco website via ‘Customer Support.’ The first step is to call on the complaints line 01923 830477. If your complaint is not resolved at this stage, the company’s complaints procedure is clearly set out along with further contact details such as a correspondence address and contact page.
Costco complaint contacts like Phone, email and support form
Complaint via Phone number: 01923 830477
The Complaint via Email:
Complaint via Support Form: Costco Support Form
Costco complaint website: www.costco.co.uk
Corporate Head Office address
Also Read: Shell Energy complaints email & Phone number
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Use below complaint form to discuss problems you have had with Costco, or how they have handled your complaints. Initial complaints should be directed to Costco directly. You can find complaint contact details for Costco above.