WISAG Cleaning Service Sàrl is a leading provider of facility services in Luxembourg. Established in the country since 1984 and employing over 1,900 people, the company is part of the European WISAG Group, renowned for its multiservice expertise.
Specialising in professional cleaning, WISAG serves offices, shops, public buildings and residential spaces, offering both regular maintenance and specialised services such as window cleaning, disinfection, and post-construction cleaning. Through WISAG Technical Service Sàrl, it also provides comprehensive technical building management, including maintenance, 24/7 repair services, HVAC, electrical systems and energy optimisation.
The service offering is completed by a wide range of infrastructure solutions: security, reception, green area maintenance, snow removal and more. All services are delivered by skilled personnel based in Luxembourg, ensuring high responsiveness, quality and proximity.
Certified ISO 9001, 14001 and 45001, and strongly committed to CSR, WISAG places quality, sustainability and people at the heart of its mission. With offices in Senningerberg and Foetz, the company delivers tailor-made, 100% “Made in Luxembourg” solutions every day.
