The merger between Towers Watson and Willis was completed on Jan. 4, with the new business to be known as Willis Towers Watson.

A revised merger had been approved by shareholders in mid-December.

Read: Towers Watson and Willis shareholders approve revised merger

As previously disclosed, Willis Towers Watson expects to generate $4.7 billion in incremental value for shareholders, made up of $375 million to $675 million in incremental revenues through, among other things, expanded distribution of Towers Watson’s health-care exchange, expansion of Willis’ P&C brokerage business and further globalization of Towers Watson’s health and group benefits consulting business.

Also expected is $100 million to $125 million in annual merger-related cost savings and approximately $75 million in annual tax savings.

“Willis Towers Watson is uniquely positioned to see the connections between talent, assets and ideas and how they can lead to strong performance and growth for our clients,” said John Haley, chief executive officer of Willis Towers Watson. “We believe we can change our industry by delivering solutions that are driven by data and analytics, and are integrated, innovative and tailored to meet the evolving needs of our clients.”

The global advisory, broking and solutions company now has 39,000 employees in more than 120 countries.

Read: Towers Watson and Willis merger shows need for diversification