There are plenty of methods for businesses and individuals to reduce the burden of income/corporation tax - but they all involve having a reasonable sum of money to invest to get them started. The typical minimum is £100k.
It has to be this high so that the tax saved outweighs the fees involved setting things up.
So it isn't just for big business - just people with a high tax burden and some savings.
There are plenty of ways if you search good ol' google. Most involve paying fees to a business with links based in the country of choice.
You can always pop into a bank when you are on holiday - but the businesses offering the service do at least explain the differences between various locations and what tax consequences may arise from opening and using such an account.