For more than 125 years, Demenga Glas AG has stood for quality, craftsmanship, and a true passion for glass. As a long-established glazing company based in Basel, we combine traditional expertise with modern innovation – supporting you from the first idea to the final installation . Our experienced team handles all types of glasswork for interior and exterior projects , whether in new construction, renovations, or custom interior design. No pane is too large, no site too challenging – even complex installations in hard-to-reach areas are carried out safely and efficiently. What sets us apart is not only our technical skill, but our deep enthusiasm for working with glass. From architectural glazing to tailor-made shower enclosures, glass partitions, and design elements, we create durable, elegant, and functional solutions that meet your specific needs. What we offer: • Over 125 years of experience in glass construction • Personal consultation & customized solutions • End-to-end service: planning, production & installation • 24-hour express repair service • High-quality glass products for both private and commercial clients Whether you're dreaming of a custom kitchen backsplash, a frameless glass shower, a glass divider wall, or something entirely unique – we’re here to bring your vision to life . Get in touch – we’re happy to advise you!

TSW Kummer Systemwände GmbH is your experienced partner for office planning, office fit-out, and modern workspace solutions in Switzerland . The company specializes in partition wall systems, glass partitions, room-in-room solutions, acoustic solutions, and flexible office design to create productive and efficient work environments. From individual office planning and office renovation to office expansion and complete office furnishing , TSW Kummer delivers tailored solutions for companies of all sizes. A strong focus is placed on acoustics, lighting, materials, and flexible space organization , ensuring modern workspaces that support both concentration and collaboration. The portfolio includes: • Partition walls & glass partitions (single and double glazing) • Sliding walls and modular wall systems • Work pods, phone booths, and meeting pods • Think tank and room-in-room solutions • Acoustic solutions such as ceiling baffles and wall panels • Office fit-out, renovation, and workspace optimization A key highlight is the showroom in Dübendorf (Zurich area) , where clients can experience innovative office and acoustic solutions firsthand. Visits are available by appointment and offer the opportunity to explore materials, systems, and concepts in a real environment. With extensive experience, high-quality standards, and personalized consulting, TSW Kummer supports businesses from concept to completion—creating modern, flexible, and future-ready workspaces.

Vor einigen Wochen habe ich mich für den Service eines Solartechnik-Anbieters entschieden und bin unglaublich zufrieden. Die Fachkompetenz des Beraters war beeindruckend und er hat mir alle Schritte geduldig erklärt. Dank der Unterstützung hat alles schnell und unkompliziert geklappt. Es ist toll zu wissen, dass ich nun umweltfreundliche Energie nutze!

Our team includes highly qualified staff who have been passionately pursuing their profession for many years. In addition to experienced specialists, our team also includes young, committed employees. The harmonious cooperation of these diverse talents leads to an efficient work group. Whether it is about watching our carpenters on the roof, doing interior work or laying floors, or watching the joiners in the kitchen, bathroom or making furniture - you will see that each individual does their work with complete dedication and satisfaction. In our company you will find everything under one roof, made by a highly motivated team. It is a matter close to our hearts to pass on our knowledge to the next generation. For this reason, we enthusiastically train young apprentices in the professions of carpenter and carpenter. There is hardly anything more beautiful than watching these young people grow up with their tasks, duties and rights.