Quality control and complaints - builders and tradespeople Skip listen and sharing tools Listen Your business should have a: clear process for handling client complaints quality control system – checking progress of the work, to make sure you give the client what they ordered. You may need help if your client feels that works are: incomplete different from what is in the contract different from what they believe was offered under the contract defective delayed. If a dispute arises between you and your client, follow the steps on our Resolving building disputes page. Where to next: See our complaint handling information for all businesses Learn about resolving building disputes Find out your obligations to clients during construction Download required building forms and notices To keep up to date with industry news, subscribe to our Builder updates