Advanced Digital Technologies, Inc. (ADT) is an information technology consulting firm. The firm provides software and hardware solutions. Its activities include accounting information systems, network design and implementation, information technology support for the SME market, and deployment of e-commerce solutions. The firm offers software solutions such as scalable accounting solutions from ACCPAC, custom-configured accounting systems with ACCPAC's source products, e-commerce integration with ACCPAC through e-transact and migration from DOS-based ACCPAC to Windows-based. ADT is headquartered in Fairfax, Virginia, the US.