The data protection laws in the UK are regulated and enforced by the Information Commissioner’s Office (ICO). Each individual has the right to raise a concern/complaint to the ICO if they have any concerns about how their personal information and/or privacy is treated. You can do this via the ICO’s website, follow the links or have an online Live Chat.
Call the ICO helpline on 0303 123 1113
Postal address: Information Commissioner's Office