McCarthy Tetrault has topped the value table for global M&A deals for the first quarter of 2008, knocking Sullivan & Cromwell and Linklaters into second and third place respectively.

Mergermarket’s global rankings for Q1 show the Canadian firm advised on 17 deals over the period with a value of $319.2bn (£160.4bn) including roles on the two largest deals of the quarter – BHP Billiton’s $211bn (£105.7bn) bid for Rio Tinto and Altria’s $106.9bn (£53.7bn) bid for Philip Morris. The Canadian firm also topped the value list for Q1 in 2007 but ended the year ranked 20th, with Sullivan heading the tables.