Brownyard MacLean Security Insurance Services (BMSIS), a Bloomfield Hills-based managing general underwriter (MGU) startup and program administrator licensed in all 50 states focused on the private security insurance market, has announced a strategic collaboration with Markel. Through the collaboration, BMSIS will be the exclusive MGU and program administrator for private security insurance products underwritten by [...]The post Brownyard MacLean in Bloomfield Hills Collaborates on Security Insurance Services appeared first on DBusiness Magazine.