Get in touch

Den Ouden Groep

We create solutions that contribute to a sustainable living environment. We do this with smart infrastructure, healthy soil and circular biobased products and services.

Den Ouden Group

We create solutions that contribute to a sustainable living environment. We do this with smart infrastructure, healthy soil and circular biobased products and services.

Den Ouden Infra

Den Ouden Infra focuses on sustainable and integrated design of public spaces.

Den Ouden Bodac

Securing explosives and archaeological value in the soil.

Den Ouden Brabob

Den Ouden Brabob takes care of qualifying, excavating and transporting (circular) soil and dredging streams.

Den Ouden Organic

Processes green waste streams (green waste) into compost, wood fiber, biochar, tree bark, substrate feedstock, tree substrate, biofuel and feedstock for material purposes.

Den Ouden Ferm O Feed

Expert in developing total organic solutions for healthy soil and plants. Organic Matters!

Den Ouden PHC

We grow soil. Expert in soil biology, mycorrhizae, bacteria and fungi. Manufacturing and worldwide distribution of solid and liquid organic fertilizers for healthy soil and plants.

Den Ouden GrowSolutions

GrowSolutions is a one-stop shop where one can go to one point of contact for all services, expertise and product(application) regarding soil improvement.

Den Ouden Infra

Den Ouden Infra focuses on the sustainable and integral planning of public spaces.

Den Ouden Bodac

Securing explosives and the cultural historical value in the soil.

Den Ouden Brabob

As an independent risk manager, BraBoB offers a total concept. With this concept, we can eliminate your execution risks.

Den Ouden Organic

Processes green waste flows (green waste) into compost, wood fibre, biochar, tree bark, substrate material, tree substrate, organic fuel and raw materials for material purposes.

Den Ouden Ferm O Feed

Manufacturer and distributor of agricultural solutions for soil and plants

Den Ouden PHC

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.

Den Ouden GrowSolutions

Den Ouden Growsolutions is a one-stop-shop with one point of contact for all services, expertise and product (application) regarding soil and plant improvement instead of two points of contact.