DEKRA Certification GmbH has verified the quantification and reporting of greenhouse gas (GHG) emissions from transport chain operations of General Logistics Systems B.V.. The reasonable assurance of the information provided in the GHG statement, as well as its conformity with the criteria set out in ISO14083:2023 has been confirmed. ISO 14083:2023 provides the standardised methodology for quantifying GHG emissions from transport chain operations.

The conformity was attested in Verification Report No. A23071350 and issued on 09.10.2025. The organizational scope covered all GLS subsidiaries in Europe and North America as well as the European net-work provider GLS International.

All entities operating under the GLS trademark have gained the 🔗EN 16258 certification for the establishment and maintenance of a standardised methodology for calculating and declaring both energy consumption and greenhouse gas (GHG) emissions associated with transport services. The conformity was attested with audit report no. A-21011499, certified by DEKRA . The latest certificate was received in December 2023 and will be valid until December 2026.