The online guide developed with the Ministry of Justice, Information Commissioner’s Office , Telephone Preference Service (TPS), Office of Fair Trading and Citizen’s Advice Bureau – aims to address growing public disquiet over increasing levels of unwanted marketing calls and messages.

The number of calls made to the TPS about unsolicited cold calls hit 9,803 in July, a 147% increase on the 3,958 received a year earlier, according to Ofcom data.

The guide offers advice on what action consumers can take to stop receiving unwanted messages and who they can complain to. It brings together information on live marketing calls, text messages, direct marketing faxes, email and silent calls for the first time.

All participating bodies will provide in kind marketing support to promote the guide including use of PR and social media channels.