At GLS*, we are committed to responsible business conduct and strive to maintain high standards across our operations, promoting ethical practices and responsible business decisions at both local and global levels. Through transparency, accountability and legal compliance, we aim to maintain the trust placed in us.
This page offers insights into our policies, ratings, and further key documents that reflect our dedication to responsible business practices.

In our dedication to advancing ESG initiatives, we actively engage in external certifications and ratings. We seek verification, external confirmation, and appreciate external feedback. This approach not only reinforces our commitment but also offers valuable insights from independent experts. Their assessments boost transparency and provide critical feedback, guiding us in the effective implementation of our ESG strategy.

EcoVadis Silver Medal

In 2025, GLS Group received an EcoVadis** sustainability rating of 71/100 points, placing it among the top 15% of companies assessed by EcoVadis globally. EcoVadis evaluates sustainability performance across Environment, Labor & Human Rights, Ethics and Sustainable Procurement. The assessment is updated annually.


See our EcoVadis Medal

S&P GLOBAL

International Distribution Services Limited (IDS), GLS*' parent company, received an S&P Global ESG Score of 59/100 , last updated on 19 March 2026. The assessment is based on publicly available information and modelling approaches, rather than active participation in the Corporate Sustainability Assessment (CSA).

see our feature in the S&P Global Sustainability Yearbook

Carbon Disclosure Project

As part of International Distribution Services Ltd (IDS), GLS* is included in IDS' CDP Climate assessment. The latest assessment, completed in September 2025, resulted in a B rating (on a scale from A to D-). CDP assesses companies' climate-related disclosure and management practices through an annual questionnaire.

Find our answers here as part of International Distribution Services

EN 16258

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.

Download the certification

Environmental Management System

ISO 14001

All entities operating under the GLS trademark in the EU and Serbia*** have gained the ISO 14001:2015 certification for their environmental management system, certified by DEKRA . The certification attests that all above-mentioned GLS entities have established and maintain an environmental management system. The conformity was attested with audit report no. A20011337. Our latest certificate was issued in September 2023 and is valid until September 2026, including yearly surveillance audits.

Download the certificate
ISO14083

ISO14083 - Verification Statement 2024

DEKRA has verified the quantification and reporting of greenhouse gas (GHG) emissions from transport chain operations of General Logistics Systems B.V. for the 2024 reporting year. The reasonable assurance of the information provided in the GHG statement, as well as its conformity with the criteria set out in ISO 14083:2023, has been confirmed. The conformity was attested in Verification Report No. A23071350 issued on 09.10.2025. The organisational scope covers all GLS subsidiaries in Europe and North America. The verification of the GHG data for the 2025 reporting year is still pending. The corresponding verification statement will be published on the GLS certifications page once available.

Download the certificate
 

As an internationally operating parcel service provider GLS stands for fair competition, integrity and responsibility.

employee holding at parcel locker
 

Code of Business Standards

The Code of Business Standards forms the basis of all business activities of GLS*. Furthermore it shows the obligation of GLS towards its stakeholders.

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employee holding at parcel locker

Supplier Code of Conduct

GLS* expects its suppliers to respect the standards laid out in this Supplier Code of Conduct, implement them using appropriate measures and adhere to them in their business activities.

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child with light bulb

Environmental Standard

The GLS Group Environmental Standard sets out the environmental strategy and measures that guide GLS’s approach to reducing greenhouse gas emissions in its parcel and freight operation.

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Whistleblowing

GLS Group has introduced an informant/ombudsman system to enable employees, business partners and third parties to report criminal acts and similar serious offences on a confidential basis.

More information

*Unless specifically mentioned, GLS refers to all affiliated companies of GLS B.V., operating under the GLS trademark.

**The EcoVadis sustainability rating assesses companies across Environment, Sustainable Procurement, Ethics and Labour & Human Rights

***Except General Logistics Systems Italy S.p.A. which is certified by a local certification body