How do i make a claim with andover companies? The Andover Companies is an agency-based insurance firm, which means all claims start with a quick report to your independent insurance agent. 1. REPORT Report the loss to your insurance agent. Your local agent will initiate the claims process once you provide the details of your claim.How do i contact the home office in andover? Give Us A Call At any one of Andover's Home Office numbers: (978) 475-3300 (800) 225-0770Why choose andover insurance group? Andover Insurance Group, a managing general agency, was founded to better serve the needs of the independent agent and insurance customer. Our primary focus is to provide affordable personal auto insurance protection for those who have difficulty obtaining coverage.What are the andover companies? The Andover Companies Merrimack Mutual Fire Insurance Company Founded 1828 Cambridge Mutual Fire Insurance Company Founded 1833 Bay State Insurance Company Founded 1955 Thank you for your payment! Payment Details: Policy Number: {{policy.policy_num}} Payment Amount: ${{policy.amount_to_pay}} Remittance ID: {{policy.remittanceID}}