Certified quality and sustainability

With our Europe-wide quality and environmental management system, we constantly ensure, control and improve the quality and sustainability of our service. Our company is certified in accordance with DIN ISO 9001:2015 and 14001:2015 by DEKRA, one of the largest international issuers of management certification. As such, we meet internationally recognised high standards.


EcoVadis Silver Status

We have successfully continued our efforts to protect the environment and are now positioned with the Silver-Status among the top 7% of companies in the postal, courier and freight transport industry assessed by EcoVadis within the Environmental category. Overall, GLS is placed within the top 8% of companies in the postal, courier and freight transport industry assessed by EcoVadis

EcoVadis, a recognised sustainability rating platform, evaluates companies' sustainability commitments by using standardised questionnaires and research.


Seal of approval for quality management

Our comprehensive quality assurance includes precisely defined work processes, quality guidelines with inspection routines and regular audits. Quality indicators are managed on an ongoing basis.
We guarantee, check and improve our quality with an Europe-wide quality management system and thus fulfil high, internationally recognised standards according to DIN ISO 9001:2015.

Our certificate ISO 9001:2015

Seal of approval for environmental management

We are operating in an environmentally friendly manner, putting sustainability projects into practice at all national subsidiaries. We have gained ISO 14001:2015 certification for our environmental management system in all European countries. This globally valid and recognised standard is one of the most important environmental management benchmarks for manufacturing companies and service providers alike.

Our certificate ISO 14001:2015

DIN 16258 certification for
CO2 per parcel calculation

Within GLS KlimaProtect we calculate the emissions per parcel based on DIN 16258-2013-03 (standard for the calculation of greenhouse gas emissions in transport and logistics). The conformity with the standard was confirmed by DEKRA.

Our DIN 16258 certification

CDP – Carbon Disclosure Project

The Carbon Disclosure Project is a non-profit organisation that collects and publishes companies’ environmental data on the basis of standardised questionnaires.

GLS takes part in the annual survey together with its parent company, International Distributions Services.