At GLS, we invest in improving the quality of our shipping system to respond more and more effectively to all our customers’ needs.
If you are not satisfied with any aspect of our service, please tell us, and we’ll listen to your report. To contact us, fill in the form in the 
 Contact  section.
To help us respond to your request as swiftly as possible, please write your GLS tracking number.
For complaints, please refer to the
 Service Charter  published in the
 Legal Area  section.