Metzgerei Silvio Keller GmbH is a butcher shop with in-house sausage production offering meat, sausages and a selection of freshwater and saltwater fish and seafood. The business states it processes Swiss meat from controlled animal husbandry, produces traditional and proprietary sausage recipes in its own production facility, and provides catering and party services such as cold platters, menus and a grill-spiessli trailer for events.