M: Communications was a new entrant in second place, advising Deutsche Post in the same deal. Brunswick did not work on any of the top 20 biggest deals, managing only a total deal value of £846m.
Citigate Dewe Rogerson climbed three places to sixth position, with £2.7bn worth of deals, up from a total deal value of only £395m in August. Three of the deals it worked on were in the top 20 by value.
Meanwhile, Smithfield fell from fifth to tenth, netting deals worth £955m, down from £1.05bn in August. It advised Mersey Docks & Harbour Company, the subject of a £797m acquisition by Scottish-based Peel Ports.
Financial Dynamics remained in the top three, boosting its total deal value to £3.5bn from £3bn in the previous month. FD was retained by Resolution Life Group, for which Citigate-advised Britannic made an £835m takeover bid.
FD also advised private equity firm Cinven in last month's £835m sale of gymnasium chain Fitness First to BC Partners.