Offizin Mattern is a production and trading agency with a retail branch MARTHA K. in Zurich Enge (2022). It trades in goods and objects for everyday use as well as goods and objects for daily care. Martha K. is a concept store that focuses on aesthetics and tradition, on the world of pharmacies in the form of apothecary and natural cosmetics articles and brands with refill programs. In addition to care and cleaning products, everyday household items for household, bathroom, and kitchen, carefully curated home accessories, small furniture, and garden articles are part of the extended range. Brands that are committed to reducing waste, chemicals, waste, packaging, and CO2 through multi-use systems or circular economy, using natural ingredients and materials, and standing out for their durable quality, from Scandinavia/Denmark, Japan, or regional and European productions and manufactories, are among the preferred partners.