Whether you run a multi campus CMO, a single site charter or a home based learning school, Marsh & McLennan Agency has the insurance solution for you. We have been providing premier insurance, risk management, and employee benefits solutions since 1909. With offices in San Diego, Orange County, and the Bay Area, we offer a full range of services and coverages for charter schools. Marsh & McLennan is the largest California insurance brokerage and consulting firms. Our CharterShield Insurance program offers school the coverage they need and demand at significant savings.