Insurance agency. At Oxford Mutual, we still believe insurance is about people, and it is our intention to deliver a variety of insurance programs that will meet the unique insurance needs for you, your property and your community, both now and in the future. Based in Thamesford, Oxford Mutual is committed to providing all of our insurance products through licensed insurance professionals. We believe that our policy holder/owners should have professional guidance and advice to help them choose from the various product alternatives offered here at Oxford.