BIOGEST is an Austria-based engineering and technology company specializing in anaerobic digestion and biomethane/biogas solutions. Headquartered in Vienna, it designs and builds plants that convert agricultural residues, manure, food-processing by-products, and other organic wastes into renewable gas and nutrient-rich digestate. The company operates internationally, with projects across Europe and North America.
Its portfolio covers project development, engineering, procurement and construction (EPC), biogas upgrading to biomethane for grid injection or vehicle fuel, combined heat and power (CHP) integration, and operations and maintenance. BIOGEST’s technologies, including its modular PowerRing digester design, are applied to improve process efficiency, operational reliability, and scalability. The company also provides digestate handling to support the use of organic fertilizer, linking waste valorization with agricultural soil management.