We are a DIN EN ISO/IEC 17025 accredited testing laboratory operating independently at our Gelsenkirchen site in Germany.

What we do:

In our other facilities in the North German ports of Nordenham and Hamburg we offer the following services:


Our business approach is driven by the individual needs of our customers, and our lean organisational structure and our many years of experience as a professional services laboratory mean that we are highly flexible. Our objective is to respond to your specific wishes and to deliver fast results within the framework of the defined requirements.


We are an independent company consisting of four partners and ten employees who have been working together as a team for many years. All our employees (graduate chemists, chemical engineers, chemical laboratory assistants or chemical technicians) have 15 to 40 years of experience in our specialist fields. We adhere to the highest ethical standards, demonstrate transparency, and aim to create sustainability and added value. 

We will be happy to help you with our extensive expertise should you have any issues or tasks to be addressed in our specialist fields.



Accreditation to
DIN EN ISO/IEC 17025:2018

By certificate dated 25.09.2019, the German National Accreditation Body DAkkS (Deutsche Akkreditierungsstelle GmbH) confirmed the competence of Ruhr Lab GmbH to carry out tests according to DIN EN ISO/IEC 17025:2018. Registration number: D-PL-21007-01-00

Recognition as a DIN CERTCO testing laboratory

By certificate dated 10.05.2019, the Gesellschaft für Konformitätsbewertung mbH confirmed the competence of Ruhr Lab GmbH to perform tests within the scope of the certification procedures of DIN CERTCO. Registration number: PL 248

Proficiency test 2919 on manual sampling, organised by DCC Delta Coal Control GmbH

Ruhr Lab GmbH participated most successfully in the round robin test on “Manual sampling of hard coal” organised by DCC Delta Coal Control GmbH on 21.05.2019 in Berlin.

Member of the Barbecue Industry Association Grill e.V.

Ruhr Lab GmbH supports the European industry association for manufacturers and distributors of barbecue equipment, fuels and lighting aids, and has been a member of the Barbecue Industry Association Grill e.V. since October 2019.