The core activity of Messerli Informatik AG is the development and distribution of software solutions for the construction and real estate industry, particularly for architects, civil engineers, construction management, project management, general contractors, and electrical planners. The software solutions include, among others, business solutions, order processing, project management, time tracking, post-calculation, financial accounting, payroll accounting, and specialized solutions such as ELITECAD and BIM2COST. In addition, the company also offers IT infrastructure services, including consulting, setup, and maintenance of hardware and software, as well as hosting in the data center.