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, 14001: 2015 and 16258:2012 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.
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.
Seal of approval for emission control
Through our emissions offset initiative, GLS Portugal obtained the ISO 16258:2012 certification thanks to the implementation of a standardized method for calculating and declaring energy consumption and greenhouse gas (GHG) emissions in transport services. Officially certified by DEKRA, we are one of the first companies in the industry to obtain it.
EcoVadis Bronze
GLS Group received the EcoVadis Bronze Medal *** in 2025 with 70 points, ranking in the top 16% of companies assessed globally.
***This certification is renewed annually, evaluates sustainability across Environment, Procurement, Ethics and Labor & Human Rights.