While it can feel good to complain to friends or colleagues about a supplier to your business who has let you down, the most important person to complain to is the right person at the supplier business. This should be the first place you contact.
While some suppliers have poor customer service in place, most serving our channel have good practices. Too often, their customer service processes are not engaged when something goes wrong. Too often they hear about an issue because a newsagent has complained to someone else.