Hi there, I'm a frenchy who will be employed by a UK company as an expat to work in UE (starting in Poland). What will be my status and who I should contact to ask for? (Inland revenue ...) Thanks.

Which country are you from? and how long are you going for?

As a frenchy, I am from France; I don't know how long it should last, but for many years at least, in some european countries, and Warsaw could be my "base".
I identified I should be a non resident expat, and that is an interesting status in UK. I wait for a lawyer's confirmation.

You will pay tax at the local rate.

If you were paid / working in the U.K then you would be pay at that rate,

Paid / working in France, etc.

Warsaw you would be paying the local rate, however if you are on a Ltd / freelance basis then there is the allowance and kick backs for working overseas.

Regards.

Ivan