Commerce West is a division of Commerce Group, and Commerce Group is owned by MAPFRE S.A., one of the largest insurance companies in the world. Commerce West underwrites insurance for the states of California, Arizona and Oregon and was first established in 1948. It is not one of the most notable auto insurance companies of the West Coast region, however it is a division of one of the largest national auto insurance companies. There is a relative lack of information on Commerce West’s customer support, but Commerce Group as a whole was rated average in the New England region of the United States for customer support satisfaction.