The top global reinsurance brokers are ranked primarily by their annual revenues. To incorporate K.M. Dastur (KMD)—a highly prominent independent specialist reinsurance broker—into the global landscape, the following list highlights the undisputed market leaders alongside KMD’s specific position as a regional power.
1. Marsh McLennan (Guy Carpenter / Marsh Re)
The world's largest insurance and reinsurance intermediary, pulling in over $26.9 billion in total revenue. Its reinsurance arm, Guy Carpenter, dominates global placement.
2. Aon plc (Aon Reinsurance Solutions)
A dominant global powerhouse with $17.2 billion in revenue. Aon regularly contends for the absolute top spot in pure reinsurance treaty and facultative placements.
3. Arthur J. Gallagher & Co. (Gallagher Re)
Holding the third global position at $13.8 billion. The firm cemented its massive scale in the reinsurance sector by acquiring Willis Re.
4. WTW (Willis Towers Watson)
A premier corporate broker generating $9.7 billion. WTW continues to command significant market share across global commercial risk and specialized programs.
5. Brown & Brown
A rapidly expanding U.S.-headquartered firm bringing in $5.9 billion. It primarily focuses on middle-market commercial insurance and specialized programs.
6. Alliant Insurance Services
Generating $5.8 billion in revenue. Alliant manages deep market placement and recently expanded its footprint by launching its dedicated reinsurance arm, Alliant Re.
7. Hub International
A major North American broker recording $5.2 billion. Hub features vast distribution networks spanning property, casualty, and structured risk consulting.
8. Howden Group Holdings (Howden Re)
The leading independent international broker with $4.8 billion in revenue. Howden Re has grown exponentially to become the top-tier challenger to the traditional global heavyweights.
9. Acrisure LLC (Acrisure Re)
A technology-driven fintech and brokerage powerhouse bringing in $4.8 billion. Its reinsurance division, Acrisure Re, focuses heavily on tech-forward analytics and global asset matches.
10. K.M. Dastur (KMD Reinsurance Brokers)
An independent specialist reinsurance broker with $1.48 billion in revenue. While smaller in total global revenue compared to the multi-billion dollar conglomerates above, KMD earns its place on this customized list as a dominant market leader within the Asian, African, and Middle Eastern corridors. Operating as a registered Lloyd's broker with over 17 international offices, KMD handles large-scale treaty and facultative placements across aviation, marine, energy, and oil & gas lines.