Mutually-owned, Merrimack County Savings Bank was founded in 1867. It includes businesses, organizations, individuals and families as customers. Merrimack County Savings Bank is an independent community bank serving central and southern New Hampshire. The bank s line of personal banking products and services include checking, savings, certificates of deposit and loans. Its business banking services include business checking and savings, commercial lending and cash management services. Premium Checking from the Merrimack offers free checks, preferred certificate of deposit rates and free online banking and bill pay. This service can be applied for at any branch.