Support multiple networks from one device

Tailscale user:
Is it possible to support multiple networks from one client device? eg. I’m a contractor with my own network; while under contract, my client wants to put me on his TS network. Is this possible on the same machine / mobile device right now?

Support:
Thanks for this question!
Concurrently accessing multiple networks from a single device is currently unsupported, although you can log out and log in to a different account to switch. Your use case is one that others have also requested and we’re working on a way to accomplish something similar to what you describe, but it is going to be a little while before that is available.