Alliant Insurance Services, Inc.

Alliant Insurance Services, Inc. is an insurance brokerage and consulting firm founded in 1925. The company employs more than 14,000 people across over 100 offices nationwide and is the fifth-largest insurance broker and consulting firm in the United States. It has reported growth of nearly 30% year over year and has operated for close to a century.

The firm serves global corporations, regional businesses and high-net-worth individuals, providing risk management, insurance brokerage, consulting, and employee benefits and risk transfer strategy. Its approach treats risk management as a catalyst for client growth rather than solely as protection against loss. Services are delivered through a structure in which industry leaders work directly with clients, a design intended to remove barriers between expertise and the customer.

Ownership is majority employee-held. The company describes an entrepreneurial culture that encourages bold ideas and gives industry leaders latitude to innovate. Alliant operates across the insurance, risk management, management consulting and financial services sectors, with a presence confined to the United States.