Crimestoppers Trust is an independent crime-fighting charitable organisation in the United Kingdom. Crimestoppers operates the 0800 555 111 telephone number, allowing people to call anonymously to pass on information about crime. People can also give information anonymously via an anonymous online form on the Crimestoppers website. Callers are not required to give their name or any personal information. Crimestoppers has more than 100 staff and almost 350 volunteers and has an income of more than £4.5M a year.