FISV vs MTB Comparison

Fiserv is a leading provider of core processing and complementary services, such as electronic funds transfer, payment processing, and loan processing, for US banks and credit unions, with a focus on small and midsize banks. Following its 2019 merger with First Data, Fiserv also provides payment processing services to merchants. About 10% of the company's revenue is generated internationally.

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.