Legal notice and independence

Version of 3 September 2026.

Publisher

LetzTest is published by a commercial company incorporated under Luxembourg law. The company name, registered office, trade and companies register number and VAT number are published when the service opens commercially. Contact: hello@letztest.lu.

Hosting

The public site is hosted on edge delivery infrastructure with points of presence in the European Union. Account data and user recordings are hosted in the European Union.

Independence from institutions

LetzTest is a private preparation platform operated by a commercial company. It is not attached to, affiliated with or mandated by the INL (Institut national des langues Luxembourg), the Ministère de la Justice or any other Luxembourg authority. Registration for the Sproochentest, the exam itself and the certificate are handled exclusively by the INL. Any score shown in LetzTest is an estimate produced by our tool for practice purposes.

LetzTest uses neither the coat of arms of the Grand Duchy of Luxembourg nor the logos of the INL, the Ministère de la Justice or any other authority, and never presents itself as mandated by them. The names of the assessment criteria and the description of the exam format are reproduced for information from public documents of the INL and the guichet.lu portal.

Intellectual property

The content of this site — text, layout, practice material, feedback — is protected. Any reproduction or extraction, including automated extraction, for purposes other than personal use is prohibited without written permission.

Photo credits

• Photographs of professional settings: Unsplash, under the Unsplash licence.
• View of Luxembourg City: Benh LIEU SONG, "Luxembourg City pano", CC BY-SA 3.0, via Wikimedia Commons.

Reporting an error

Information about the exam is taken from public sources and can change. If you spot an inaccuracy, write to us: we correct it and date the update.