The following list contains all certificates issued by SLG and sorted by date in descending order:
- all valid GS Certificates
- all SLG marks "Usability tested"
If you cannot find your product in the list, please use the adjecent form.
For cancelling certificates, please use the form in our download area.
Inquiry on the validity of certificates
Please fill in all fields marked with an asterisk (*). We will respond to your request as quickly as possible.