Fraud alert

Leon Grosse and its subsidiaries are being targeted by an identity theft attempt.

Due to numerous frauds and attempted scams, we strongly advise you to remain extremely vigilant.

• Leon Grosse never solicits non-approved suppliers by phone. Our suppliers are selected through strict procurement procedures.
• Leon Grosse never contacts its clients to request changes to its banking details. These details are specified in contract documents and remain unchanged throughout the duration of the project.

If you have any doubts, please inform us at the following address: fraudes@leongrosse.fr.