Nemetschek is a holding company. Through its subsidiaries, Co. is a software provider for the architecture, engineering, construction, and management industry. Co.'s business activities comprises of 12 brands, which provide solutions for architects, structural designers, and civil and specialist engineers as well as software for cost and schedule planning, tenders, awarding of contracts, invoicing, and execution of building work. There are also solutions for technical facility management and commercial property management as well as for architecture, film, animation and advertising visualization software. Co. organizes its operations into four segments: Design, Build, Manage and Multimedia.

Riber and its subsidiaries are engaged in the design, produce, sale and maintain molecular beam epitaxy (MBE) systems as well as evaporation sources and cells for the semiconductor industry. In addition to MBE systems, a comprehensive range of MBE related-components is also available. These equipments are essential for the manufacturing of compound semiconductor materials and new materials that are used in numerous consumer applications, from new information technologies to Organic Light-Emitting Diode flat screens and new generation thin layer solar cells.