All major nationalized banks such as State Bank of India, Indian Bank, Central Bank of India, Punjab National Bank, Indian Overseas Bank and private banks like ICICI Bank, City Union Bank have their branches in Thiruvarur. Kumbakonam Co-operative Bank, Tiruvarur Co-operative Bank and Primary Agriculture Bank are the cooperative banks that have their branches in the town. All these banks have their Automated teller machines located in various parts of the town
