The operation of a cleaning and building maintenance company, including in particular the cleaning of commercial, industrial and private premises, site cleaning, window cleaning, building maintenance, concierge services, as well as all maintenance and hygiene services. The company may also engage in any other activity directly or indirectly related to these purposes; it may in particular create branches in Switzerland and abroad, participate in other companies in Switzerland and abroad, acquire companies with identical or similar objectives, or merge with such companies, carry out all operations and conclude all contracts aimed at developing and extending its purpose or directly or indirectly related thereto.