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 categoryCity partner promotions outpace firmwide among Global London firmsLaw firm dataKate Peacock16 Jun 2026Top US duo tune in as Fox makes $22bn streaming acquisitionLaw firmsKate Peacock15 Jun 2026Revolving Doors: latest laterals for Morgan Lewis, McDermott and Winston TaylorLaw firmsNews Editor12 Jun 2026London duo get the nod as Baker McKenzie promotes 47 to partnershipLaw firmsTom Cox23 Jun 2026Ashurst seals decade of growth as soaring PEP clears £1.5m in final results before Perkins Coie mergerLaw firmsTom Cox23 Jun 2026Leading UK and US trio advise as easyJet grounds £4.7bn Castlelake approachLaw firmsTheresa Hargreaves22 Jun 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