TDMi AG through its subsidiaries engages in the information technology sector. It operates its business through IT-Services and System-Management segments. The firm provides consulting, planning, realization, and management of the customer's IT networks. It also offers IT services outsourcing, client support, network support and data center services as well as customized software development and leasing of IT infrastructures. The company was founded in 1984 and is headquartered in Cologne, Germany.