United merging with City? Microsoft with Apple? Linklaters with Freshfields? That, in City insurance terms, is pretty much what you’ve got with the news exclusively revealed on legalweek.com today that Clyde & Co and Barlow Lyde & Gilbert are in merger talks.

A tie-up would unite the two biggest brands in the legal insurance market, and in revenue terms constitute the largest union ever executed between two UK law firms (the deal that created Clifford Chance happened at a time when magic circle firms were about as big as Howard Kennedy).