Certified Quality and Sustainability

GLS guarantees, monitors and improves quality and sustainability with an environmental management system across Europe.
The company is certified according to DIN ISO 9001: 2015 and 14001: 2015 by Dekra, one of the largest international issuers of management certification.
GLS thus complies with the internationally recognized high standards of sustainability.

Seal of approval for quality management

Quality assurance at GLS Portugal includes well-defined work processes, quality guidelines with routine inspections and periodic audits. Quality indicators are managed on an ongoing basis. GLS Portugal guarantees, verifies and improves quality with a quality management system throughout its network. With its quality management system, GLS Portugal complies with high internationally recognized standards in accordance with DIN ISO 9001: 2015.

Certificate ISO 9001: 2015

Seal of approval for environmental management

GLS Portugal obtained ISO 14001: 2015 certification for its environmental management system. This globally valid and recognized standard is one of the most important environmental management references for manufacturing companies and service providers.

Certificate ISO 14001: 2015