Clifford Chance (CC), Linklaters, Freshfield Bruckhaus Deringer and Slaughter and May are among a raft of international firms to have seen their offshore connections revealed online, with the discovery emerging ahead of the latest leak of documents from Panamanian law firm Mossack Fonseca.

The magic circle firms are among those named in a cache of documents first leaked in 2013 but their presence in the database, published by the International Consortium of Investigative Journalists (ICIJ), has only just come to light.