Aon and Willis Towers Watson has announced a definitive agreement to combine in an all-stock transaction with an implied combined equity value of approximately $80bn (£61bn).
The firm said the move combines “diverse colleague” experience and shared values to drive distinctive outcomes for clients.
The transaction is also expected to generate more than $10bn (£7.6bn) in shareholder value creation from the capitalised value of expected pre-tax synergies.
Willis Towers Watson CEO John Haley, said: “The combination of Willis Towers Watson and Aon is a natural next step in our journey to better serve our clients in the areas of people, risk and capital.
“This transaction accelerates that journey by providing our combined teams the opportunity to drive innovation more quickly and deliver more value.”
Aon CEO, Greg Case, added: “This combination will create a more innovative platform capable of delivering better outcomes for all stakeholders, including clients, colleagues, partners and investors.
“Our world-class expertise across risk, retirement and health will accelerate the creation of new solutions that more efficiently match capital with unmet client needs in high-growth areas like cyber, delegated investments, intellectual property, climate risk and health solutions.”