Insurance Benefits Welcome You can enjoy all the benefits of membership Marsh Affinity Group Services, a service of Seabury & Smith, staff truly cares about member's best interests and are ready to help cut through the red tape. Members can count on receiving personal and professional service with their insurance concerns. Looking out for members means Marsh Affinity Group Services, a service of Seabury & Smith constantly seeks the best plans at economical rates. Marsh Affinity Group Services, a service of Seabury & Smith, is a fully owned subsidiary of Marsh & McLennan Companies—a leader in such diversified services as management consultation, investment management, reinsurance and insurance program management. This relationship with Marsh & McLennan provides clients access to a vast array of resources and the financial stability of the world's largest insurance broker. Terms and Conditions | Privacy Policy | About Marsh