How can I add a third party to an account?
You can now add a third party with us via our website(opens in a new window).
Alternatively you can also print and complete a Third Party Mandate (.pdf 54kb) form ensuring you fill out the required fields and come into any branch with your ID.
Find out more about what ID we accept(opens in a new window).
NatWest branch locator
Find your nearest branch using our branch locator.