GMA is one of Europe's leading company groups in the quality control services sector.

Additionally, our company offers versatile engineering services for production planning, development, and project engineering.

GMA also supports the complete staff requirements of our clients by leasing staff in all corporate areas and levels.

Founded in 1984, our Düsseldorf-based company today employs more than 600 qualified employees. From our testing center in Düsseldorf, and additional branches, GMA‘s activity extends worldwide, with partners in the petrochemical, aviation, and automobile industries.

Whether in engineering services, material testing, or staff leasing, we understand the importance of quality, thanks to our origin in "quality assurance", helping us achieve meaningful synergies for our customers.