Seven new agencies have been added to the roster, alongside the seven previously on the roster that was put together in 2000.
Agencies new to the roster are BLM Media, Carat, Experience, MediaCom, MindShare, Rise Communications, and Universal McCann.
The seven agencies reappointed to the roster are Manning Gottlieb OMD, Mediaedge:cia, Starcom, Naked Communications, PHD, ZenithOptimedia and Ingram.
Jeremy Found, COI's head of media, said: "The new roster gives us access to a range of agencies, from the largest through to specialist communications planning agencies, to suit the diverse range of government campaigns."
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