Poenina is a leading provider of services in the area of building technology and building envelope in the German-speaking part of Switzerland, headquartered in Opfikon, Zurich. Poenina combines its core competencies in the areas of sanitary, heating and ventilation technology under building technology. Building envelope includes the core competencies in roofing and sheet metal work. The services are offered for public buildings as well as residential, commercial and hotel buildings. The operating companies are run on the basis of local entrepreneurial responsibility which allows poenina to respond optimally to customer needs and to be an efficient partner for projects of any size and customer group. Poenina intends to increase its market share through targeted acquisitions of companies in the fields of building technology and building envelope.