On Wednesday 10 June 2026, it will not be possible to book an appointment at the reception desk or for a video call with the Guichet.lu Helpdeskuntil approximately 14.00, due to an update to the MyGuichet.lu assistant. Thank you for your understanding.

You can still go to the reception desk in person without an appointment, and the Helpdesk will remain available by phone and via the contact form.

Strong authentication

A strong authentication means that you must use 2 separate elements to log in to a device or application. For example, in order to log in to MyGuichet.lu using LuxTrust Mobile, you need to use:

  1. your LuxTrust log-in credentials; and
  2. the device on which you have installed the mobile application.

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