• Home
  • Latest
  • Fortune 500
  • Finance
  • Tech
  • Leadership
  • Lifestyle
  • Rankings
  • Multimedia
Leadership

Willis Group to merge with Towers Watson

By
Claire Groden
Claire Groden
Down Arrow Button Icon
By
Claire Groden
Claire Groden
Down Arrow Button Icon
June 30, 2015, 8:43 AM ET
Iconic Sears Tower Changes Name To Willis Tower
CHICAGO - JULY 16: Matt Soifer, 3, walks past the Willis Tower sign shortly after a ceremony to rename the former Sears Tower July 16, 2009 in Chicago, Illinois. The building was renamed the Willis Tower today, after the London-based insurance broker Willis Group Holdings agreed to lease140,000 square feet. The building, once the tallest in the world, was opened in 1973 to house the offices of the then largest retailer in the world Sears, Roebuck & Co. (Photo by Scott Olson/Getty Images)Photograph by Scott Olson — Getty Images

Willis Group Holdings (WSH), an insurance broker and risk advisory firm, and professional services group Towers Watson (TW), announced Tuesday they plan to merge.

The combined company, Willis Towers Watson, will be worth $18 billion, taking in about $8.2 billion in revenue, according to The Wall Street Journal.

The Ireland-based company is expected to achieve over $100 million in cost-savings on account of the merger. The Towers Watson Chairman and CEO, John Haley, will remain CEO, and Willis Group Holdings CEO Dominic Casserley will be president and deputy CEO.

“These are two companies with world-class brands and shared values. The rationale for the merger is powerful – at one stroke, the combination fast-tracks each company’s growth strategy and offers a truly compelling value proposition to our clients,” said Casserley in a press release.

“We will advise over 80% of the world’s top-1000 companies, as well as having a significant presence with mid-market and smaller employers around the world,” he added.

About the Author
By Claire Groden
See full bioRight Arrow Button Icon

Latest in Leadership

Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025

Most Popular

Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Fortune Secondary Logo
Rankings
  • 100 Best Companies
  • Fortune 500
  • Global 500
  • Fortune 500 Europe
  • Most Powerful Women
  • Future 50
  • World’s Most Admired Companies
  • See All Rankings
Sections
  • Finance
  • Fortune Crypto
  • Features
  • Leadership
  • Health
  • Commentary
  • Success
  • Retail
  • Mpw
  • Tech
  • Lifestyle
  • CEO Initiative
  • Asia
  • Politics
  • Conferences
  • Europe
  • Newsletters
  • Personal Finance
  • Environment
  • Magazine
  • Education
Customer Support
  • Frequently Asked Questions
  • Customer Service Portal
  • Privacy Policy
  • Terms Of Use
  • Single Issues For Purchase
  • International Print
Commercial Services
  • Advertising
  • Fortune Brand Studio
  • Fortune Analytics
  • Fortune Conferences
  • Business Development
About Us
  • About Us
  • Editorial Calendar
  • Press Center
  • Work At Fortune
  • Diversity And Inclusion
  • Terms And Conditions
  • Site Map
Fortune Secondary Logo
  • About Us
  • Editorial Calendar
  • Press Center
  • Work At Fortune
  • Diversity And Inclusion
  • Terms And Conditions
  • Site Map
  • Facebook icon
  • Twitter icon
  • LinkedIn icon
  • Instagram icon
  • Pinterest icon

Latest in Leadership

trump
LawTariffs
‘Why shouldn’t we get our money back too?’ Normal people are starting to demand Trump tariff refunds
By Mae Anderson and The Associated PressFebruary 28, 2026
8 minutes ago
david ellison
Arts & EntertainmentHollywood
20 years ago, David Ellison’s flop as an actor stressed him out so much he went to the hospital. Now he’s set to own Paramount and Warner
By Matt Sedensky and The Associated PressFebruary 28, 2026
12 minutes ago
warren
InvestingBerkshire Hathaway
Berkshire Hathaway shareholders just woke up to a letter by someone other than Warren Buffett
By Josh Funk and The Associated PressFebruary 28, 2026
17 minutes ago
Big TechAmerican Politics
Your spend as a ‘weapon’: Scott Galloway’s ‘Resist and Unsubscribe’ movement asks you to ditch Amazon, Apple, and Netflix to oppose Trump
By Kristin StollerFebruary 28, 2026
5 hours ago
Gamers celebrating
SuccessCareers
Meet the Gen Z college students who turned Excel into a competitive esport—they’re competing in spreadsheet challenges and it’s helping them land jobs
By Preston ForeFebruary 28, 2026
5 hours ago
world's fair
CommentaryRobots
Something big is happening in AI, but panic is the wrong reaction
By Peter CappelliFebruary 28, 2026
6 hours ago

Most Popular

placeholder alt text
Success
Japanese companies are paying older workers to sit by a window and do nothing—while Western CEOs demand super-AI productivity just to keep your job
By Orianna Rosa RoyleFebruary 27, 2026
1 day ago
placeholder alt text
Success
Walmart exec says U.S. workforces needs to take inspiration from China where ‘5 year-olds are learning DeepSeek’
By Preston ForeFebruary 27, 2026
1 day ago
placeholder alt text
Commentary
'The Pitt': a masterclass display of DEI in action 
By Robert RabenFebruary 26, 2026
2 days ago
placeholder alt text
Law
China's government intervenes to show Michigan scientists were carrying worms, not biological materials
By Ed White and The Associated PressFebruary 26, 2026
2 days ago
placeholder alt text
Economy
Come 2030, the U.S. deficit will be worth 5.9% of GDP—more than spending on Social Security, and equal to major health programs
By Eleanor PringleFebruary 26, 2026
2 days ago
placeholder alt text
Success
Gen Z Olympic champion Eileen Gu says she rewires her brain daily to be more successful—and multimillionaire founder Arianna Huffington says it really does work
By Orianna Rosa RoyleFebruary 25, 2026
3 days ago

© 2026 Fortune Media IP Limited. All Rights Reserved. Use of this site constitutes acceptance of our Terms of Use and Privacy Policy | CA Notice at Collection and Privacy Notice | Do Not Sell/Share My Personal Information
FORTUNE is a trademark of Fortune Media IP Limited, registered in the U.S. and other countries. FORTUNE may receive compensation for some links to products and services on this website. Offers may be subject to change without notice.