Returning to the UK after years in the United States feels like coming home. But your finances don't make the same clean break.
Your 401(k) or IRA stays in the US. Your Social Security entitlement accumulates in the US. Any US brokerage accounts remain subject to US reporting requirements even after you leave. And once you are UK-resident again, all of this intersects with UK tax in ways that can be expensive if not planned properly.
We advise returning British expats — and American spouses — on how to manage US-sourced assets from the UK, minimise double taxation, and make informed decisions before they board the plane.
Withdrawals from a US 401(k) are generally still subject to US federal income tax, regardless of where you live. Under the US-UK tax treaty, those withdrawals may also be taxable in the UK, though treaty provisions can limit double taxation. The exact treatment depends on the structure of your plan and your UK tax status.
Yes. You are not required to close or move your IRA. Many returning expats leave their US retirement accounts in place and manage them from the UK. You will need a US-licensed adviser who can continue to manage the account — which is what we provide.
Yes. US Social Security benefits can be paid to eligible recipients living in the UK. Under the US-UK tax treaty, Social Security payments to UK residents are generally only taxable in the UK, not the US. We can connect you with the right specialists to help you understand your entitlement.
