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 categoryWeil London M&A stars set to join Sullivan & Cromwell as exits mountLaw firmsKate Peacock16 Sep 2026‘Seismic changes’ – breaking down the Weil US exits as firmwide departures near 30Law firm dataAlex Ryan16 Sep 2026Full details – the six M&A partners set to leave Weil for CravathLaw firmsKate Peacock11 Sep 2026Senior CEE partner leaves Freshfields for White & CaseLaw firmsEliza Winter18 Sep 2026Latham and Sidley lead as Boehly and Walter exit Chelsea investmentLaw firmsWill Lewallen17 Sep 2026Revolving doors: Simpson Thacher, Latham, Sidley lead New Year London movesLaw firmsAnna Huntley9 Jan 2025‘Seize every opportunity’ – Paul Hastings partner Reena Gogna on City law, Suits and poetryLaw firmsAnna Huntley7 Jan 2025Five partners vie to succeed Hoyland as Simmons managing partnerLaw firmsTom Cox7 Jan 2025Former Freshfields senior partner among recipients in New Year Honours ListLaw firmsTom Cox2 Jan 2025