Beyeler & Trueb is primarily engaged in the planning, design, and maintenance of green spaces, gardens, open spaces, and environments. Their core activities include: rainwater management and integrated rainwater management, plant planning and design, green space management and maintenance, design, planning, and construction of private, semi-public, and public gardens, environments, and open spaces, as well as the conception and development of outdoor spaces, open spaces in residential and working environments, infrastructure facilities, parks, squares, and promenades. The company emphasizes sustainability, economic efficiency, and aesthetics, and uses the latest planning methods and expertise to achieve the goals of its clients.