By Ian Darby, campaignlive.co.uk, Thursday, 03 December 2009 11:00AM
The appointment follows a pitch against Vizeum and Walker Media.
ZenithOptimedia, the incumbent on the business, declined the chance to repitch following the newspaper group’s decision to review.
Arena BLM will begin working with Mirror Group, which owns newspapers including the Daily Mirror and Daily Record, in the new year.
Lorraine Fraser, the director of marketing at Trinity Mirror Nationals, said: "We appointed BLM as we were highly impressed with their insights, strategy and creative thinking."
This article was first published on campaignlive.co.uk