Complex sentence: Arbella Insurance Group, headquartered in Quincy, Massachusetts, is a customer-focused regional property and casualty insurance company providing business and personal insurance in Massachusetts and Connecticut, as well as business insurance in Rhode Island and New Hampshire.
Split into simpler sentences: Arbella Insurance Group, headquartered in Quincy, Massachusetts, is a customer-focused regional property and casualty insurance company. It provides business and personal insurance in Massachusetts and Connecticut, as well as business insurance in Rhode Island and New Hampshire.