Conversely, certain supermarket chains have developed a reputation for a customer service experience that regularly falls short. The following chains have been identified by analyzing customer reviews across various sites like Trustpilot and the Better Business Bureau. One customer at the location claims the customer service desk is not open according to posted hours, and won't accept returns. The customer was directed from a cashier to a manager, then to the customer service desk, and then back to the manager. MethodologyCashier checking out a customer - Tom Werner/Getty ImagesGood or bad customer service is subjective.