The Willis Group was a global insurance brokerage firm that provided risk management and insurance services. Founded in 1828, it operated in over 120 countries, helping clients manage their risks through tailored insurance solutions. The company was known for its expertise in various sectors, including healthcare, construction, and energy. In 2016, the Willis Group merged with Towers Watson, a global professional services firm, to form Willis Towers Watson. This merger aimed to enhance the company's capabilities in risk management, insurance brokerage, and consulting services, creating a more comprehensive offering for clients worldwide.