[Norfolk & Dedham Web Security Login Page The Norfolk & Dedham Group® consists of three mutual insurance companies founded in New England as early as 1825. The Group includes Norfolk & Dedham, Dorchester and Fitchburg. We provide property and casualty insurance through hundreds of local independent insurance agents in MA, RI, ME, NH, NY and NJ. We have corporate office locations in Dedham, MA and Bridgewater, NJ. Our high-quality service and products, technological innovation and financial strength provide our policyholders the convenience, localized service and financial reliability they need to protect their family and business assets.]