The UCI WorldTeams have to participate in the Tour de Romandie, an event that is part of the UCI WorldTour circuit. A UCI ProTeam can also participate if it is invited. The Swiss national team can also participate, subject to the approval of the Union Cycliste Internationale.
The full list of UCI 2021 teams will be available here in December 2020.
The list of riders committed to the Tour de Romandie 2021 will be available in April.