Marsh McLennan

Marsh McLennan is a global professional services firm that advises clients on risk, reinsurance and capital, people and investments, and management consulting. Its work is conducted through four market-leading businesses - Marsh (insurance broking and risk management), Guy Carpenter (reinsurance and capital solutions), Mercer (people and investments expertise, including workforce and future-of-work solutions) and Oliver Wyman (management consulting, including operations optimisation and performance acceleration).

The firm's scale is considerable: more than 90,000 colleagues operating across 130 countries, annual revenue exceeding $24 billion, and a history spanning over 150 years. Technical work spans risk management, reinsurance and capital markets advisory, human capital and investments consulting, and specialist analysis of cyber risk, climate risk and resilience, and geopolitical risk.

Marsh McLennan describes its mission as building the confidence to thrive through the power of perspective, with an integrated approach that connects insights across its business lines. The firm maintains an active presence at influential global forums such as Davos and partnerships with organisations including Bloomberg and the World Economic Forum, reflecting a long-standing focus on anticipating emerging risks and turning complexity into clarity for clients.