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 categoryRevolving Doors: HSF Kramer hires Sidley life sciences head as Ashurst Perkins Coie sees further departuresLaw firmsNews Editor6 Oct 2026Weil set to lose lev fin and private equity stars as London exits continueLaw firmsGeorgina Stanley1 Oct 2026Weil continues German build with PE hireLaw firmsKate Peacock1 Oct 2026Quartet of firms lead on $8.9bn Boots dealLaw firmsKate Peacock7 Oct 2026The $110bn Paramount-Warner Bros mega-merger: all the law firms involvedLaw firmsAlex Ryan7 Oct 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