Drees & Sommer Switzerland is a consulting company providing a single source of consultation and implementation services for the real estate, infrastructure and industrial markets. The company delivers sustainable, innovative, and economically viable solutions that meet each client’s unique needs. Our almost 250 employees in Zurich, Basel and Lausanne have been supporting clients from a wide range of sectors since 2008. Drees & Sommer Switzerland is part of the Drees & Sommer Group, which was Founded in 1970 and long recognized as a pioneer in driving sustainability and digitization. Today Drees & Sommer employs more than 6,000 people at 63 offices.

Welcome to "SND" Cleaning Grujic! We founded "SND" Cleaning Grujic out of our passion for cleanliness and a high standard of quality. Our motto, "Clean is different," is not just a slogan but our promise to you. Our journey began in Basel-Stadt, where we specialize in office, apartment, and window cleaning with the utmost care and precision. With every job, we focus on reliability, excellence, and a personal touch that sets us apart from others. Customer feedback and years of experience help us continuously improve our service and cater to your individual needs. Trust us with your premises and experience the difference that a dedicated and experienced team can make.