What if Revolut fails, what happens with shares?

After your Orders have been accepted and executed, your Instruments will be executed by the Third Party Broker, who will arrange for your Instruments to be held in accordance with applicable law. It is important to note that we will not be responsible for safeguarding your Instruments, and we cannot do so as a matter of law.

Further detail on how the Third Party Broker will arrange for your Instruments to be held can be found here.