Certificate information
Certificate database
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"
- all SLG marks "Sound Quality" (Soundlabel)
If you cannot find your product in the list, please use the adjacent form.
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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.