ACGL vs MTB Comparison

Arch Capital Group Ltd is a Bermuda company that writes insurance and reinsurance with operations in the United States, Canada, Europe, Australia, and the United Kingdom. The business operates through three underwriting segments: insurance, reinsurance, and mortgage. The insurance segment provides specialty risk solutions to clients across various industries. The reinsurance segment provides reinsurance services which cover property catastrophe, property, liability, marine, aviation and space, trade credit and surety, agriculture, accident, life and health, and political risk. The mortgage business provides risk management and risk financing products to the mortgage insurance sectors through platforms in the U.S., Europe and Bermuda.

M&T Bank is a US regional bank with around $213 billion in assets as of Dec. 30, 2025. Headquartered in Buffalo, New York, the bank's footprint is mostly concentrated in New England and the US Mid-Atlantic. M&T Bank boasts a community banking approach, and boasts over 900 branches in 13 states and Washington, D.C. Apart from retail and commercial banking, M&T Bank also has wealth management operations through Wilmington Trust and a partnership with LPL Financial, and a corporate trust business.