If you have a complaint about the police you can contact Police Scotland online, by post, by telephone, or in person at a police station. Information about how to make a complaint can be found here.
If your complaint is about a senior police officer you can make a complaint to the Scottish Police Authority.
If you are not happy with the response to a complaint, you can ask the Police Investigations & Review Commissioner (PIRC) to review the way your complaint was handled.