Ion Bank, a wholly owned subsidiary of Ion Financial, MHC, has been serving customers throughout Connecticut’s Greater Naugatuck Valley and central Connecticut since 1870.  We are an independent community bank providing a full line of consumer and business products and financial services you need to achieve your financial goals. Locally owned, the bank is committed to helping customers as well as the community at large. Ion Bank is proud to support the local people and places that enrich all our lives. Ion Bank’s family partners, Ion Investments and Ion Insurance, are trusted industry professionals offering you extended products and services to help protect you and your financial future.