Tax: UK Persons and Entities: W-8 Forms for Non-US Residents

You must complete a Form W-8 because the entity holding your client money is Interactive Brokers LLC, in the US.

In compliance with Treasury Department Circular 230, unless stated to the contrary, any information contained in this FAQ was not intended or written to be used and cannot be used for the purpose of avoiding tax penalties that may be imposed on any taxpayer.