M4C is GroupM’s bespoke media agency for all of the UK government’s media buying.

Launched in April 2010 for COI, M4C remains the sole buying agency for all of the UK government’s paid for media. M4C’s contract was transferred to the government procurement service (GPS) in December 2011, ahead of COI’s closure on March 31st 2012.

M4C is part of the GroupM network, WPP’s leading global media investment management operation.