Cambridge Investment Research is a privately owned financial services firm that provides a wide range of services to independent financial advisors and their clients. The company was founded in 1981 and is headquartered in Fairfield, Iowa. Cambridge Investment Research offers a variety of products and services, including investment advisory services, brokerage services, and insurance products. The company is committed to providing independent financial advisors with the tools and resources they need to help their clients achieve their financial goals. Cambridge Investment Research has been recognized as one of the top independent broker-dealers in the United States.