Deltek GCS Premier is the industry's most proven and trusted project accounting solution designed specifically for small- to mid-sized businesses who sell services to the U.S. government. It is a powerful, easy-to-use solution that manages corporate finances and project accounting, while also dramatically reducing operating costs and expensive risks. And, because it is compliant with DCAA and other government requirements for cost accounting systems, GCS Premier can meet the financial management and audit needs of even the most demanding government contractor.