Quality you can rely on. Responsibility that goes further.

High standards shape the way we work – with a clear focus on quality, sustainability and continuous improvement.

Certified standards

Built on high standards.

Quality and responsible action are firmly embedded in the way we work. Clearly defined processes, high standards and continuous improvement help us deliver reliable solutions while using resources responsibly and reducing our environmental impact.


Our management systems are regularly reviewed and independently certified according to recognized standards. Certifications such as ISO and EMAS make our commitment transparent and provide the framework for continuously improving our quality and environmental performance.

Built into the way we work.

Quality and responsibility are part of our daily work – reflected in our processes, decisions and continuous improvement.

Quality by design

Gear icon with a check mark symbolizing quality by design

Clear processes and high standards ensure reliable results from start to finish.

Responsible use of resources

Leaf icon with recycling arrows symbolizing responsible use of resources

We focus on using energy, materials and resources efficiently and consciously.

Always improving

Rising bar chart icon symbolizing continuous improvement

We continuously review our processes and look for ways to become better and more efficient.

Our certifications

Independent certifications make our commitment to quality and responsible action transparent. Find an overview of our current certifications and the corresponding documents below.

GZQ quality management certification logo, ISO 9001:2015

ISO 9001 - Certified Quality

ISO 9001 provides the framework for our quality management – with clearly defined processes, consistent standards and a focus on continuous improvement.

ISO 14001 environmental management certification logo

ISO 14001 – Environmental Management

Our environmental management system is certified in accordance with ISO 14001. It provides a structured framework for continuously improving our environmental performance and using resources responsibly.

EMAS logo – verified environmental management

EMAS – Environmental Transparency & Performance

As an EMAS-registered company, we systematically evaluate and continuously improve our environmental performance. Our Environmental Statement provides transparent information on our environmental impact, objectives and measures.

Ready for what’s next.

We combine experience, innovation and responsibility to shape the solutions of tomorrow.