Avidia Bank Avidia Bank was formed in 2007 by a merger between Hudson Savings Bank and Westborough Bank. Both founded in 1869. Avidia Bank is now a $1.5 Billion mutual community bank headquartered in Hudson, MA. We have branches in Hudson, Westborough, Clinton, Marlborough, Northborough, Shrewsbury, Leominster, and Framingham. With investments in technology, Avidia offers Mobile banking with check deposits, bill pay, transfers, and the option to pay other people electronically. We are also very passionate about our communities and…