Welcome to Donker Groep. We are expert in designing, creating and maintaining everything considering a green environment, ins ... ide and outside. A few examples of our services: - Advise in ecological maintenance - Designing circular roof gardens - Construct playgrounds with a focus on nature - Maintenance of green areas in cities with participation of residents Our complete, all-including approach is unique. Take a moment to discover the possibilities of Donker Design, Donker Groen and Donker Interieur, all part of Donker Groep. read more