Sonata Software makes music for the offshore IT industry. Sonata Software and its half-dozen subsidiaries offer consulting, product engineering, application development and management, infrastructure management, packaged software, and managed testing. Sonata Software maintains alliances with IBM, Micro Focus International, Microsoft, Oracle, and other major brands. It also has a joint venture with TUI called TUI InfoTec to power the German travel giant's computer network. Other customers include financial institutions and automobile manufacturers. Sonata Software operates in Asia, Europe, the Middle East, and the US.