Retirement Accounts for UK Residents
If you live in the UK and hold US retirement accounts, those accounts need careful cross-border review.
You may have:
an old 401(k)
a traditional IRA
a Roth IRA
a TSP
a 403(b)
a 457(b)
a SEP IRA
a SIMPLE IRA
a Solo 401(k)
an inherited IRA
an inherited 401(k)
US brokerage accounts
Social Security entitlement
UK pensions
UK investment accounts
ISAs
UK property or US property
This can apply if you are:
an American living in the UK
a US citizen married to a British spouse
a dual US/UK national
a green card holder living in the UK
a British expat who previously worked in the United States
a former US resident with old US retirement accounts
a UK resident who inherited a US retirement account
The question is not simply:
Can I keep my US retirement accounts while living in the UK?
The better question is:
How should those accounts be managed when both US and UK rules may matter?
What should UK residents do with US retirement accounts?
UK residents with US retirement accounts should review each account before leaving it untouched, rolling it over, withdrawing funds, converting to Roth, changing provider or updating beneficiaries.
A review should usually consider:
- the type of US retirement account
- whether the account holder is a US citizen, green card holder, dual national, former US resident or non-US person
- whether the provider can serve a UK resident
- whether account access or trading is restricted
- whether a rollover is available
- whether a receiving IRA provider can accept a UK resident
- whether withdrawals are needed
- whether US withholding may apply
- whether UK tax may apply
- whether the US-UK tax treaty is relevant
- whether RMDs apply
- whether Roth IRA treatment needs specialist review
- whether Roth conversions make sense
- whether inherited account rules apply
- whether beneficiaries are up to date
- whether a spouse or beneficiary is non-US
- whether the account is invested appropriately
- whether currency exposure matches future spending
- whether the client expects to stay in the UK, return to the US or move elsewhere
The IRS says US citizens and resident aliens abroad are generally subject to US tax on worldwide income.
That means a US citizen living in the UK may still need to consider the US tax system.
At the same time, UK residence may bring UK tax rules into scope.
The planning point is simple: US retirement accounts for UK residents should not be reviewed through only one country’s rules.
Which US retirement account issue do you need to review?
Which US retirement account issue do you need to review?
Review whether to keep the old 401(k), roll it over, update beneficiaries, adjust investments or plan withdrawals as a UK resident.
IRA and Roth IRA
Review IRA and Roth IRA contribution eligibility, custodian access, withdrawals, Roth conversions, RMDs and US-UK treaty considerations.
Returning to the UK
If you are moving back to the UK with a 401(k), IRA or Roth IRA, review tax, treaty, currency and withdrawal strategy before relocating.
Roth IRA treatment
Roth IRA planning should be reviewed carefully where a UK resident is making contributions, conversions or withdrawals.
US retirement accounts can remain valuable for UK residents, but the planning is technical.
Who this page is for
UK residents with US retirement accounts, including Americans in the UK, dual nationals, green card holders, former US residents and British expats who previously worked in the US.
Main accounts to review
401(k), IRA, Roth IRA, TSP, 403(b), 457(b), SEP IRA, SIMPLE IRA, Solo 401(k), inherited IRA and inherited 401(k) accounts.
Main planning risks
Provider restrictions, unsuitable rollovers, unexpected tax, poor withdrawal timing, RMD errors, weak currency planning, outdated beneficiaries and ignoring the US-UK treaty position.
Common trigger points
Moving to the UK, becoming UK resident, leaving a US employer, retiring, reaching RMD age, inheriting a US account, considering a Roth conversion or planning to return to the US.
Planning outcome
A clear strategy showing what to keep, roll over, withdraw from, convert, update or leave untouched within a US-UK cross-border plan.
US retirement accounts need US and UK review
A US retirement account may be straightforward while you live in the United States.
It becomes more complicated when you live in the UK.
That is because several questions can overlap:
- what does the US account allow?
- what does the US tax system say?
- what does the UK tax system say?
- does the US-UK tax treaty help?
- is the account holder a US person?
- is the account holder a UK resident?
- is the account holder domiciled or deemed domiciled in the UK?
- is the account traditional or Roth?
- is the account inherited?
- will withdrawals be needed?
- will RMDs apply?
- are beneficiaries in the US, UK or elsewhere?
- what currency will retirement income be spent in?
- where will the person live later?
The issue is not that US retirement accounts are bad for UK residents.
Often, they can remain valuable.
The issue is that decisions should be coordinated.
For example:
- rolling a 401(k) to an IRA may simplify the US side, but the receiving provider must accept a UK resident
- withdrawing from a traditional IRA may create US and UK tax considerations
- Roth IRA withdrawals may need treaty-aware review
- RMDs may apply even if the account holder lives in the UK
- inherited accounts may have different withdrawal rules
- beneficiaries should be reviewed if family members live outside the United States
- investment allocation should match long-term spending currency and retirement country
The best plan is usually not a generic US answer or a generic UK answer.
It is a coordinated answer that reflects both systems.
Documents to gather before a US retirement account review
US retirement account statements
Gather statements for 401(k), IRA, Roth IRA, TSP, 403(b), 457(b), inherited IRA, SEP IRA, SIMPLE IRA and Solo 401(k) accounts.
Plan rules and provider letters
Collect plan documents, rollover forms, provider letters, account restriction notices, foreign address correspondence and distribution forms.
US tax records
Gather recent US tax returns, Form 1099-R, CPA advice, withholding records, foreign earned income exclusion claims and foreign tax credit records.
UK tax records
Gather UK tax returns, PAYE records, self-assessment details, tax adviser correspondence and any advice on the US-UK treaty.
Rollover history
List previous 401(k) to IRA rollovers, IRA transfers, Roth conversions, inherited account distributions and any previous withdrawals.
RMD position
Confirm age, account type, prior year balances, whether RMDs have started, whether any RMDs were missed and whether inherited account rules apply.
Beneficiary forms
Review primary beneficiaries, contingent beneficiaries, spouse details, children, trusts and whether beneficiaries live in the US, UK or another country.
Investment details
Review holdings, asset allocation, risk profile, costs, performance, target-date funds, employer stock and whether the portfolio still matches your goals.
Currency and income needs
Clarify whether future spending is expected in dollars, pounds, euros or another currency, and when retirement income may be needed.
Future residence plans
Confirm whether you expect to stay in the UK, return to the United States, move to the UAE, move to Europe, retire abroad or keep assets across several countries.
Further US retirement account questions for UK residents
401(k) after moving to the UK
Review provider access, investment choice, fees, rollovers, withdrawals, RMDs, tax and beneficiaries after moving to the UK.
Returning to the UK with US accounts
If you are moving back to the UK with a 401(k), IRA or Roth IRA, review tax, treaty, currency, withdrawal and estate planning issues.
Roth IRA treatment in the UK
Roth IRA planning should be reviewed carefully for treaty treatment, contributions, withdrawals, Roth conversions and future residence.
RMDs while living abroad
Required minimum distributions can still apply while living in the UK and should be planned before deadlines are missed.
Related financial planning services
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View Financial PlanningRelated Links
- Financial planning for Americans abroad
- Financial planning for foreign nationals living in the US
- US retirement accounts for expats
- 401(k) planning for expats
- IRA and Roth IRA planning for expats
- Retirement planning for Americans abroad
- Investment planning for Americans abroad
- Former US residents with US retirement accounts
- Book a call with Josh Clancey
Retirement accounts for UK residents FAQs
Important information
This page is for general information only and does not constitute personalised financial, tax, legal, investment, pension transfer, retirement, estate planning, insurance, UK tax, US tax, treaty or currency advice.
US retirement accounts, 401(k), IRA, Roth IRA, TSP, 403(b), 457(b), SEP IRA, SIMPLE IRA, rollovers, withdrawals, RMDs, Roth conversions, beneficiary planning, custodian access, UK residence, US tax, UK tax, treaty treatment, withholding, inherited accounts, currency and future relocation depend on personal circumstances and may change.
US tax advice should be taken from a suitably qualified US tax adviser or CPA. UK tax and legal advice should also be taken where relevant.
Financial planning should be coordinated with legal, tax, pension, investment and estate planning advice where appropriate.
Investing involves risk. Pension, retirement account and investment values can fall as well as rise, and you may get back less than you invest.
Currency movements can affect the value of cash, retirement accounts, transfers, withdrawals and income.
