Matheson has advised Willis, the third-largest insurance broker globally, on its merger of equals with financial management services provider Towers Watson. The combined company, Willis Towers Watson, will be valued at $18 billion approximately and it will have 39,000 employees in more than 120 countries with revenue of approximately $8.2 billion.

The Matheson team advising Willis includes corporate partners Tim Scanlon and George Brady, tax partner Shane Hogan and Head of US Offices, John Ryan. This transaction further illustrates Matheson’s track record of advising on high profile international M&A transactions. Recent mandates include advising Perella Weinberg Partners as financial adviser to Medtronic on its $42.9 billion acquisition of Covidien, Allergan Pharmaceuticals on its $66 billion merger with Actavis and Auxilium on its $2.6 billion merger with Endo International plc.