Checking, savings, cd, credit card, mortgage, loan or line of credit. View both your business and personal accounts under one user id. Webm&t online banking is temporarily unavailable. We are working to restore the service as soon as possible. We’re sorry for the inconvenience. If you have any questions. Webwelcome to online banking | m&t bank Webclick here to log in to m&t online banking, m&t online banking for business, or m&t commercial treasury center. Help with user id or passcode. Unauthorized access is prohibited. Usage may be monitored. Webm&t is a financial partner you can rely on now and in the years ahead. We’re here to help you look forward to the future with confidence. Webwith a community bank approach, m&t bank helps people reach their personal and business goals with banking, mortgage, loan and investment services. Webuse our locator to find a branch or atm near you or browse our directory. Search m&t bank branch locations and atms. Easily manage your finances when you open a.