Seitz Insurance Agency Acquired by Marsh McLennan Agency

Marsh McLennan Agency has acquired Seitz Insurance Agency in Montana. All employees, including principals David Seitz and Camila Skinner, will join MMA and continue operating out of their existing office locations.

Seitz is a Sidney, Montana-based independent agency founded in 1961. It provides commercial and personal lines of insurance services to regional businesses and families, with a specialization in agriculture, crop and energy industries. Seitz previously acquired Bishop Insurance Services in 2023, expanding offerings in the Flathead and Mission Valley areas.