Affinity One Federal Credit Union is a member-owned cooperative based in Jamestown, New York, serving Chautauqua County communities including Busti, Ellicott, Ellington, Gerry, Harmony, Kiantone, North Harmony, and Poland. Membership is open to those who live, work, worship, or attend school in the service area. Services include checking, savings, auto loans, and credit cards.

Since 1948, Affinity One Federal Credit Union has served Jamestown and the surrounding Chautauqua County communities as a true member-owned cooperative, returning profits to members through competitive rates on savings, checking, auto loans, and credit cards instead of paying Wall Street shareholders. Members enjoy friendly local service, free share checking, and low-fee borrowing built around real relationships. To make everyday finances go even further, members can also use Fluz to earn cashback and rewards on daily spending, gift card purchases, and bill payments, pairing hometown banking at Affinity One with smart, effortless savings on the purchases already part of everyday life.