Law firms Cross-border teams at Gibson Dunn and Weil advise on $18bn Willis and Towers Watson merger Legal Business · 30 June 2015 · 2 min read Corporate and M&A Gibson Dunn Weil, Gotshal & Manges US duo Gibson, Dunn & Crutcher and Weil, Gotshal & Manges have won key roles on the headline merger of Willis Group Holdings, one of the world’s oldest insurance broker, and human resources consultancy Towers Watson, for $18bn.Your limit of 1 article in 30 days is up. Please login for full access or subscribe. Corporate users - click here for simple access (no password needed). For more information, please contact [email protected] Related ContentMore in this categorySimpson Thacher hires Clifford Chance US insurance co-headsLaw firmsKate Peacock13 Jul 2026Trading Places: Paul Hastings picks up Cahill private credit co-head as Wilmer and Perkins Coie see exits in San FranciscoLaw firmsEliza Winter8 Jul 2026‘M&A is back with a bang’ – global elite dominate deal rankings in best-ever H1Law firmsKate Peacock3 Jul 2026Paul Hastings launches sports practice with former American football GCLaw firmsWill Lewallen13 Jul 2026Latham and Simpson Thacher power up for $2.6bn EQT-Carlyle data centre dealLaw firmsKate Peacock10 Jul 2026Paul Weiss lands mandate as Apollo swoops in with £5.7bn bid for easyJetLaw firmsTheresa Hargreaves10 Jul 2026Revolving doors: Simpson Thacher, Latham, Sidley lead New Year London movesLaw firmsAnna Huntley9 Jan 2025Five partners vie to succeed Hoyland as Simmons managing partnerLaw firmsTom Cox7 Jan 2025‘Seize every opportunity’ – Paul Hastings partner Reena Gogna on City law, Suits and poetryLaw firmsAnna Huntley7 Jan 2025