Certified engineers


How to contact us

We are glad to advice you on all topics concerning contaminated sites, subsoil analysis, soil analysis, hydrogeology, geothermal energy and environmental informatics. Contact us by phone, email or visit us at our company’s headquarters in Bonn.



We are looking forward to hearing from you


+49 228 – 97458293


Kühn Geoconsulting GmbH
Auf der Kaiserruhr 39
53127 Bonn


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Learn more about our company here.

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.