How to pair US z-wave device with UK smartthings hub?

Aeotec makes a zwave garage door controller on the UK zwave frequency which is quite popular:

https://www.vesternet.com/z-wave-aeon-labs-garage-door-controller-gen5

There are also some UK members using garadget, which is not zwave, but can still integrate via cloud to cloud:

https://www.garadget.com