License search
To check the validity of a license for the use of a product or service in advertising, please enter the license number here:
Frequently asked questions
The license number is located at the bottom right-hand edge of the test seal. If the license number is missing, this usually constitutes improper advertising with the test logo. In this case, please send us a photo of the marked product or the advertising with the test logo to logolizenz@pruefengel.de, stating the date and location of the photo.