Samuels-Smith was previously signed by Everton in July 2023 and spent two years with Chelsea's youth teams, featuring for the Under-18s and Under-21s.
The young defender has represented England's Under-19 national team and has been part of Chelsea's senior matchday squad on seven occasions.
The transfer fee for Samuels-Smith is reported to be €7.5 million, and he has signed a contract with Strasbourg that will keep him at the club until 2030.
