Aon Reinsurance Solutions has been ranked as the world’s largest reinsurance broker, achieving a revenue of $2.481 billion in 2023, an increase from $2.19 billion in 2022. Following closely is Guy Carpenter, which generated $2.258 billion in the same period, though still trailing behind Aon’s significant lead. In the first half of 2024, Aon posted revenues of $1.802 billion compared to Guy Carpenter’s $1.78 billion, reflecting Aon’s continued dominance in the sector. The overall growth in broker revenues indicates an increasing demand for reinsurance, supported by enhanced consultancy and data services.
