Complaints about Costco

On this page you can see which complaints are submitted about Costco.

How to file a Costco complaint?

Whatever your complaint about Costco is, follow the next three steps in order to have the best chance of resolving your complaint.

1. Click on the 'File Costco complaint' button.
2. Describe your complaint in detail, and suggest how Costco should resolve it.
3. Submit your complaint directly to Costco and mention that you posted your complaint on Complain.biz

Statistics of Costco in the category Retail Company

1 total complaints

Complaints timeline