Leading Italian independent Gianni Origoni Grippo & Partners and US giant Cleary Gottlieb Steen & Hamilton have both won new clients to advise on Swisscom’s E3.7bn (£2.5bn) takeover of Italy’s second-largest fixed-line operator, Fastweb.

Gianni M&A partner Filippo Troisi is leading a 15-lawyer team on the deal, advising alongside New York leader Sullivan & Cromwell on the offer.