About Us Crosby Insurance Group is an independent insurance agency that provides personalized service to individuals and professional organizations. Our company was founded in 1996 by Rick Crosby and was first introduced as Crosby and Co., made up of only two agents. Years of experience has allowed our company to develop and maintain strong relationships with our clients and offer the best service to meet their needs. In November 2008, Crosby and Co. moved to Mt. Pleasant, merged with the Summerville Insurance Agency which specializes in Property and Casualty Insurance and established their new title as Crosby Insurance Group. The organization is now made up of nine members in two locations including Mount Pleasant and Summerville. Our mission is to meet the insurance needs of our clients with personalized service to ensure a secure tomorrow.