Let’s say you’re a wealthy individual who is tax-resident in the UK but you also have strong foreign links: you’re what’s known in the trade as a “high net worth” individual. Congratulations!
Now, though, you’re facing a choice: are you willing to share all your income with the UK's tax collectors, or not? Typical UK tax-resident earners have no choice but to give HMRC their share, but not you! We’re going to assume you already have a Swiss bank account.
Now: what would you like to do?