The company is one of the oldest and leading old private sector banks in India with a history of almost 100 years. It offers a wide range of banking and financial services primarily to micro, small and medium enterprises, agricultural and retail customers.

As of March 31, 2022, the bank has a strong branch network of 509 branches and a total customer base of 5.08 million. TMB has a significant market presence in the state of Tamil Nadu with 369 branches, and is also present in 15 other states and 4 union territories of India.