Allen & Overy (A&O), Bingham McCutchen and Clifford Chance (CC) are among a raft of firms to have advised on the €1.3bn (£1.1bn) restructuring of business conglomerate Quinn group.

A&O advised Quinn led by London restructuring managing partner Earl Griffith and banking partner David Campbell, alongside tax partner Lydia Challen, corporate partner Don McGown and real estate partner Imogen Moss.