Certified engineers


An independent expert assessment office for over 50 years

KÜHN Geoconsulting® GmbH is an independent expert assessment office which has been active for more than 50 years in the areas of subsoil consultancy and contaminated-site remediation. Having gained experience from more than 22,500 contracts, ranging from detached homes to office skyscrapers, our staff provide professional, customer- and practice-oriented solutions for all matters related to the projects.


In case of any questions concerning contaminated site remediation and subsoil analysis, you may find us here, at our headquarters.

We provide solid, proven solutions. We also constantly develop new, innovative concepts and activities to improve our services, while lowering costs for our customers at the same time. With a team of more than 44 qualified members, we are also able to manage large construction projects in a technically sound and reliable manner.

We can create highly-specialised digital terrain and groundwater models to assist commercial project decisions at an early stage with exact cost estimates. Our precise geological engineering environmental and construction measurement systems provide economical and legal security during the construction and operating phases.

As an intermediary between builders and authorities, we provide economical and approvable recommendations. Our knowledge of the relevant Federal and State laws, and of regulations related to contaminated sites, groundwater protection, soil protection and emissions, is key to our work.



KÜHN Geoconsulting® GmbH is an independent consulting firm that has been active in the fields of subsoil consulting and remediation of contaminated sites for more than 50 years.

With an engineering quota of 74 percent and a workforce of over 50 long-standing employees, we are in a position to serve even major projects reliably, on time and to the highest quality standards.

With the experience from more than 22,500 orders, from single-family homes to high-rise office buildings, our employees develop professional, customer- and practice-oriented solutions.

Certifications and further training are an integral part of our corporate culture, so that you always receive the best state-of-the-art solutions from us.

Companies for which we have already completed projects and orders and who place their trust in us are HochTief, Deutsche Leasing, Vodafon or the city of Cologne. This is only a small selection. Feel free to ask us for further references.