Diamond Hill Investment Group, Inc., together with its subsidiaries, provides investment advisory and fund administration services in the United States. The company sponsors, distributes, and offers investment advisory and related services to a range of clients, such as corporations, mutual funds, retirement plans, public pension funds, endowments, foundations, financial institutions, and high net worth individuals. It also provides fund administration services, including portfolio and regulatory compliance, treasury and financial oversight, statutory underwriting, and general business management and governance of the mutual fund complex, as well as oversight of back-office service providers, such as the custodian, fund accountant, and transfer agent. The company offers its investment advisory services to third-party financial intermediaries comprising independent registered investment advisors, brokers, financial planners, and wealth advisers; and fund administration services primarily to investment advisers and mutual funds. Diamond Hill Investment Group, Inc. was founded in 1990 and is headquartered in Columbus, Ohio.