Den Ouden Group has been creating a sustainable living environment on and in the soil for 75 years.
Den Ouden Infra focuses on the sustainable and integral design of public space.
Securing explosives and cultural-historical value in the soil.
Professional management of soil streams and high-quality knowledge of the environment, logistics and commerce.
Processes green waste streams into compost, wood fibre, biochar, bark, substrate raw material, tree substrate, biofuel and raw material for material purposes.
We grow soil. Expert in soil biology, mycorrhizae, bacteria and fungi. Production and worldwide distribution of solid and liquid organic fertilisers for healthy soil and plants