WDS Services Sàrl is a company that stands out for its commitment to quality and service. We firmly believe that the satisfaction of our clients is a reflection of our success and we are constantly striving to improve the quality of our services. Our main goal is to provide top-notch cleaning and concierge services that cater to the specific needs of our clients. To achieve this, we place particular emphasis on several key aspects of our business. Firstly, we place great importance on the selection and training of our employees. We believe that our employees are our greatest asset and therefore invest a lot of time and effort into their training. We ensure that they are well trained to carry out their tasks efficiently and professionally. Secondly, we strictly adhere to the various legislations in force. Whether it’s collective agreements, safety, or other legal aspects, we ensure that we comply with all relevant laws and regulations. This allows us to provide a safe and fair working environment for our employees and to ensure that our services meet the highest standards. Finally, we are committed to meeting the requirements of our clients. We understand that each client has specific needs and expectations and we strive to meet them. Whether we are adhering to our clients’ internal regulations or adapting our services to meet their specific needs, we do everything we can to ensure their satisfaction. In sum, WDS Services Sàrl is more than just a cleaning and concierge company. We are a team of dedicated professionals who strive to provide the best possible services to our clients. With us, you can be assured of quality service, a clean environment, and excellent customer service.

Blanc SA was founded in 1945 and employs over 200 people in French-speaking Switzerland. The services offered by Blanc SA include: • All types of cleaning (windows, facades, shampooing, floor treatment) • Facility maintenance (cleanrooms, commercial spaces, fitness centers, offices, professional kitchens) • Commercial premises • Concierge service • Industrial buildings • Medical areas • Fitness maintenance • Food-processing surface cleaning Our mission is to clean spaces using the best available technologies to ensure optimal results in minimal time – we understand that keeping a store open only for cleaning is costly. Administrative Areas We create a customized service plan based on your needs, taking into account furniture, surfaces, and office layout. Our staff works at the most convenient time for you, ensuring no disruption to your operations. Industrial Buildings Production staff may not prioritize cleanliness the same way we do – but they are essential to production. Leave them at their stations and let us take care of all types of surface cleaning. Our Services Post-construction cleaning, apartment cleaning, facade cleaning, shampooing, spring cleaning, window cleaning (private and professional), stone treatment, marble crystallization, water damage cleaning, fire damage cleaning, urban cleaning, public institution cleaning, upholstered furniture cleaning, anti-spider treatment