By Jonathan Laws, Senior Adviser, Cameron James USA
If you are a UK national living in the United States, retirement planning involves two tax systems, two sets of pension rules, and a web of reporting obligations that most advisers on either side of the Atlantic have never fully mapped. This guide to UK expat retirement planning in the US is written for people in exactly that position.
You may have a UK SIPP or workplace pension sitting back home, National Insurance contributions building toward a State Pension, a 401(k) or IRA accumulating through your US employment, and very little clarity on how all of it fits together. The gaps in most general guidance – the 25% lump sum tax trap, the IRS reporting obligations, the PFIC risk lurking inside a badly structured UK pension, and how to maximise your State Pension entitlement – are precisely where costly mistakes get made.
Cameron James advisers hold individual SEC authorisation via Beacon Global Advisor Network LLC (CRD 288833) and are FCA-regulated in the UK. This guide reflects the planning issues we work through with UK expat clients in the US every day.
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Why UK Expat Retirement Planning in the US Is Different
Most retirement planning assumes one country, one tax system, one set of rules. For a UK national living in the US, the baseline is more complex:
- The US taxes its residents and citizens on worldwide income, including income from UK pensions
- HMRC may retain an interest in your UK pension income depending on your domicile and residency status
- The UK-US Double Taxation Agreement (DTA) allocates taxing rights between the two countries, but does not operate automatically – it requires active steps to apply correctly
- US reporting obligations for foreign financial accounts apply to UK pensions, with significant penalties for non-compliance
- Most UK pension providers are not equipped to support US-resident clients, creating practical problems around drawdown, investment access, and death benefits
How UK Pension Income Is Taxed in the US
Under Article 17 of the UK-US Double Taxation Agreement, pension income paid to a US resident from a UK pension is generally taxable only in the United States, not in the UK. This is the treaty provision that prevents double taxation on UK pension withdrawals for US residents.
In practical terms:
- UK income tax is not deducted from your pension withdrawals once you are a US tax resident, provided the correct NT (No Tax) tax code is in place
- The income is reported to the IRS and taxed as ordinary income on your US federal return
- UK PAYE tax should not apply once you have applied for an NT code from HMRC, which instructs your provider to pay gross
Government and public sector pensions – including civil service, NHS, teacher, and armed forces pensions – may be treated differently under Article 19 of the DTA, depending on your citizenship status. If you hold one of these pensions, the applicable rules are distinct from those covering private pensions and SIPPs.
The 25% Lump Sum: Why US Tax Advice Is Essential Before You Act
The UK pension commencement lump sum – commonly referred to as 25% tax-free cash – is one of the most frequently misunderstood issues for UK expats in the US. In the UK, this lump sum is free of income tax. The US tax treatment is a genuinely contested area. There are arguments that the lump sum should be treated as tax-exempt under the US-UK DTA; there are also IRS positions and Private Letter Rulings pointing in the other direction. The answer is not straightforward, and the consequences of getting it wrong in either direction can be severe.
What Happens to Your UK Pension Provider When You Move to the US
Most mainstream UK SIPP providers have restricted or closed their services to US residents in recent years. Hargreaves Lansdown, AJ Bell, Interactive Investor, Vanguard, and Fidelity have all introduced residency restrictions. Our guide UK Pension Transfer to USA covers this in detail.
The consequences of being with an unsuitable provider as a US resident include:
- Restricted or unavailable drawdown options
- Investment options that may create PFIC complications under US tax rules
- Death benefits that cannot be passed to US-resident beneficiaries in a structured way
- No support for IRS reporting documentation
- UK PAYE tax deducted by default from withdrawals, requiring HMRC reclaim
The International SIPP: The Standard Solution for US Residents
For the majority of UK expats in the US, the correct structure for their UK pension is an International SIPP – a UK-registered pension designed for non-UK residents. It carries the same HMRC registration, FCA oversight, and tax wrapper status as a standard SIPP, but is built to accommodate the specific compliance and reporting requirements of US-resident clients.
An International SIPP for US residents offers:
- Full UK pension wrapper status – HMRC-registered and FCA-regulated
- Investment options structured to minimise PFIC classification risk under US tax rules
- USD and GBP currency options to manage exchange rate exposure
- Flexible drawdown, including income sequenced to manage US marginal tax brackets
- Full beneficiary drawdown options for US-resident beneficiaries
- Documentation to support IRS reporting requirements, including FBAR and FATCA
Can You Transfer Your UK Pension to a 401(k) or IRA?
No. It is not possible to roll a UK pension into a 401(k), IRA, or any other US retirement plan. The two systems are entirely separate, and any attempt to move UK pension assets directly into a US plan would be treated as an unauthorised payment under UK pension legislation, triggering a tax charge of up to 55%. Our article Can I Transfer My UK Pension to a US 401(k)? explains this in full. The UK pension must remain within a UK-registered structure.
PFIC Risk: The Hidden Trap Inside UK Pension Investments
One of the most significant – and least widely understood – issues for US-resident UK pension holders is Passive Foreign Investment Company (PFIC) classification. Many UK-domiciled mutual funds and unit trusts that are standard investment choices on UK pension platforms meet the PFIC definition under US tax law. Holding PFICs inside a pension wrapper does not automatically neutralise the problem.
If the investments inside your SIPP are classified as PFICs by the IRS, the tax treatment of gains and income can be extremely punitive – the default regime applies high rates plus an interest charge designed to eliminate the benefit of deferral.
What This Means for Your Investment Strategy
The investment strategy inside your UK pension matters for US tax purposes, not just for investment performance. An International SIPP for US residents is typically invested in UCITS funds or ETFs structured to minimise PFIC complexity, rather than UK-domiciled unit trusts that commonly trigger it. Cameron James works closely with your US CPA to ensure the investment approach inside the pension is aligned with your overall US tax position.
Jonathan Laws – Senior Adviser, Cameron James
“If I had to name the single issue that catches UK expats out most often, it is the 25% lump sum. A client reaches retirement, remembers that a quarter of a UK pension is tax-free, and takes it without taking US tax advice first. The US tax treatment of that payment is genuinely complex and contested – it is not something to assume either way. Taking the lump sum without specialist cross-border tax advice is one of the most avoidable and costly mistakes I see.” “Cross-border retirement planning is not about any one clever tactic. It is about seeing the whole board: the UK pension, the 401(k), the State Pension, the treaty, the reporting, and the order in which you draw it all down. Get the sequence right and a UK expat retirement in the US can be both comfortable and fully compliant.”
IRS Reporting Obligations for Your UK Pension
As a US resident or citizen holding a UK pension, you have annual reporting obligations to the IRS. These are separate from your income tax return and carry their own penalty regime. Non-compliance, even where no tax is owed, can result in substantial penalties.
| IRS Reporting Form | When It Applies |
| FBAR (FinCEN 114) | Foreign accounts exceeding $10,000 at any point in the calendar year |
| Form 8938 (FATCA) | Foreign assets over $50,000 at year-end or $75,000 at any point (US residents) |
| Form 3520 / 3520-A | Potentially required for SIPPs characterised as foreign trusts |
| Form 1116 | Foreign tax credit – used to offset any UK tax deducted at source |
The FBAR (FinCEN Form 114) is filed annually with FinCEN, separate from your IRS return, with a deadline of April 15 and an automatic extension to October 15. Form 8938 under FATCA is filed with your US tax return. Revenue Procedure 2020-17 provided relief from Form 3520 reporting for certain qualifying tax-favoured foreign trusts, but the application of this relief to UK SIPPs depends on the specific facts. Cameron James does not provide US tax advice but works alongside your US CPA.
The UK State Pension for US Residents
The UK State Pension is one of the most valuable entitlements many UK expats overlook. Unlike residents of countries such as Canada, Australia, New Zealand, and South Africa – where the UK State Pension is frozen at the rate applicable when first claimed – US residents benefit from a different position.
US Residents Receive Annual Uprating
Under the 1984 UK-US Social Security Agreement, UK State Pension recipients living in the United States receive annual uprating. This means your State Pension increases each year in line with UK uprating rules, including triple lock increases where applicable. This is a meaningful advantage that US-resident UK expats have over those living in many other countries outside the UK.
For 2026/27, the full new State Pension is GBP 241.30 per week, approximately GBP 12,548 per year. As a US resident, you should receive annual increases on top of this rather than being locked to the rate at the date of your claim.
Building Your State Pension Entitlement
You need 35 qualifying years of National Insurance contributions or credits to receive the full new State Pension, with a minimum of 10 years required to receive anything. If you have gaps in your NI record from years spent working in the US, you may be able to fill them through voluntary Class 2 or Class 3 contributions. Voluntary NI contributions are often excellent value, particularly for those close to but below the full entitlement threshold.
Check your State Pension forecast through the UK Government’s Check your State Pension service and take cross-border advice on whether topping up makes sense given your overall retirement income picture.
Coordinating Your UK Pension With Your US Retirement Accounts
Many UK expats in the US are building retirement savings on both sides of the Atlantic simultaneously. Coordinating these two streams in retirement is a significant planning opportunity that most advisers fail to address properly.
Sequencing Withdrawals to Manage US Tax Brackets
The timing and sequencing of withdrawals from your UK pension and US retirement accounts matters significantly for your overall tax position. In the US, 401(k) and traditional IRA withdrawals are taxed as ordinary income at federal and state level. Your UK pension withdrawals are also treated as ordinary income by the IRS. Drawing both simultaneously in a given year can push you into a higher marginal tax bracket. Working with a cross-border financial planner to model your drawdown strategy – considering your UK pension, US accounts, State Pension, and all other income sources – is one of the highest-value planning exercises for a UK expat approaching retirement.
Required Minimum Distributions
US retirement accounts such as traditional 401(k)s and IRAs are subject to Required Minimum Distributions (RMDs) from age 73 under current legislation (SECURE 2.0), rising to age 75 for those born in 1960 or later. UK pensions do not have an equivalent mandatory withdrawal requirement. This asymmetry creates planning opportunities – for example, drawing more heavily from a UK pension in years before RMDs begin in order to reduce the overall RMD burden from US accounts in later years.
Death Benefits: Why Provider Choice Matters for US-Resident Families
When a UK expat dies leaving a UK pension, and their spouse or children are also US residents, most standard UK SIPP providers cannot establish beneficiary drawdown for those beneficiaries. The reason is regulatory: UK providers are not authorised to market their products or service clients in the US on an ongoing basis.
The consequence in practice is that the pension is disinvested and held in cash, with beneficiaries unable to access it properly until a transfer to a suitable provider is arranged – at what is already a very difficult time. An International SIPP structure built for US residents resolves this from the outset. The platform is designed to accept US-resident beneficiaries into drawdown, meaning the pension can be passed on and managed by the next generation without an enforced transfer process.
Who Can Legally Advise a UK Expat in the US on Their UK Pension?
To provide regulated financial advice to a US resident on investments and pension strategy, an adviser must hold appropriate US regulatory authorisation – SEC registration – in addition to UK pension expertise. An FCA-regulated UK adviser without US authorisation cannot legally advise a US resident on these matters. Equally, a US-based financial planner without UK pension expertise will not be equipped to advise on the intricacies of SIPP transfers, beneficiary drawdown, NT tax code applications, or the interaction between UK pension rules and the DTA.
Cameron James: Dual-Regulated for Cross-Border Advice
Cameron James advisers hold individual SEC authorisation via Beacon Global Advisor Network LLC (CRD 288833) and are FCA-regulated for UK pension advice. This dual authorisation is relatively rare and is the foundation of our ability to provide genuine end-to-end cross-border advice to UK expats in the US.
The Seven Most Common Mistakes UK Expats in the US Make With Retirement Planning
- Taking the 25% lump sum without US tax advice. The US tax treatment of the pension commencement lump sum is a genuinely contested area. Taking it without specialist cross-border tax advice first is one of the most avoidable mistakes a UK expat can make.
- Leaving the pension with a provider that does not support US residents. Restricted investment options, no drawdown access, and inadequate death benefit provisions are all consequences.
- Assuming the State Pension position without checking. Many UK expats are unaware of the UK-US Social Security Agreement and either over- or under-estimate their State Pension entitlement. Voluntary NI contribution gaps are a common and costly oversight.
- Not maintaining National Insurance contributions. Years in the US without voluntary NI contributions create gaps that are expensive or impossible to fill later.
- Investing the UK pension in funds that trigger PFIC complexity. A standard UK pension platform default fund range may be full of UK-domiciled funds that create additional IRS complications.
- Not reporting the UK pension to the IRS. FBAR and FATCA reporting obligations apply regardless of whether any UK tax is being paid. Non-compliance carries significant penalties.
- Using a UK-only or US-only adviser. Neither will see the full picture. Advice on one side of the equation that ignores the other can result in decisions that are technically correct in isolation but harmful overall.
A Practical Example: UK Expat in the US With a SIPP and 401(k)
David is 59, a UK national who has lived in California for 18 years. He has a SIPP worth approximately GBP 320,000 held with a standard UK provider, a 401(k) worth approximately USD 280,000, and 24 qualifying years of National Insurance contributions. When David comes to Cameron James, the first steps are:
- Reviewing his existing SIPP provider, which has restricted drawdown for non-UK residents and cannot support his US-resident family as beneficiaries
- Arranging a transfer to an International SIPP structured for US-resident clients, with an investment strategy that avoids PFIC complexity
- Applying for an NT code from HMRC so future withdrawals can be paid gross from the UK
- Checking his State Pension forecast and assessing whether voluntary NI contributions to reach 35 qualifying years represent good value, and understanding the uprating position under the UK-US Social Security Agreement
- Building a retirement income model that sequences withdrawals from his UK pension, 401(k), and eventual State Pension in a way that manages his US federal marginal tax rate across each year of retirement
- Coordinating with his US CPA on FBAR, Form 8938, and any Form 3520 considerations
Frequently Asked Questions
Will my UK pension be taxed in the US?
Generally yes, if you are a US tax resident. Under Article 17 of the UK-US DTA, most UK private pension income received by a US resident is taxable only in the US – HMRC does not also tax it. The income is reported on your US federal return and taxed as ordinary income. Government pensions such as NHS and civil service pensions may be treated differently under Article 19 of the treaty.
Is the 25% tax-free lump sum actually tax-free in the US?
This is a genuinely contested area and not one where a simple yes or no is appropriate. There are arguments under the US-UK DTA that the lump sum should be treated as exempt; there are also IRS positions and Private Letter Rulings pointing toward taxability. The correct answer depends on the specific facts, the treaty position taken, and the advice of a qualified US tax professional. This is precisely why specialist cross-border tax advice before drawing any pension benefits is essential – the stakes are too high to proceed on assumption.
Does the UK State Pension increase each year if I retire in the US?
Yes, in most cases. The United States has a social security agreement with the UK – the 1984 UK-US Social Security Agreement – which means UK State Pension recipients in the US receive annual uprating. This is different from the position in countries such as Canada, Australia, New Zealand, and South Africa, where the State Pension is frozen at the rate applicable when first claimed. The full new State Pension for 2026/27 is GBP 241.30 per week. You should check your individual position and confirm entitlement with a qualified adviser as part of your retirement income planning.
Can I transfer my UK pension to a 401(k) or IRA?
No. It is not possible to transfer a UK pension into a US retirement plan. Any attempt to do so would be treated as an unauthorised payment under UK pension legislation, triggering a tax charge of up to 55%. The correct structure for US-resident clients is an International SIPP within the UK pension framework.
Do I need to report my UK pension to the IRS?
Yes. UK pension plans are reportable on the FBAR (FinCEN Form 114) if the aggregate value of your foreign accounts exceeds $10,000 at any point in the year. They are also reportable on FATCA Form 8938 above applicable thresholds. Depending on how your pension is structured, Form 3520 may also apply. Failure to report carries significant penalties. Specialist US expat tax advice is essential.
What happens to my UK pension when I die if my family is in the US?
For most standard UK SIPP providers, your US-resident family will not be able to receive the pension in drawdown. The provider will typically not establish beneficiary drawdown for non-UK residents. The pension is disinvested and held in cash, forcing a transfer before it can be properly accessed. An International SIPP structured for US residents resolves this from the outset.
Do Cameron James advisers need to be SEC-authorised to advise me in the US?
Yes. To give regulated financial advice to a US resident on investments and pension strategy, an adviser must hold appropriate US authorisation. Cameron James advisers hold individual SEC authorisation via Beacon Global Advisor Network LLC (CRD 288833), in addition to their UK FCA authorisation. This dual regulatory standing is essential for genuine cross-border advice and is not common across the industry.
What is PFIC risk and does it affect my UK pension?
PFIC stands for Passive Foreign Investment Company. Many UK-domiciled mutual funds commonly held within UK pensions meet the PFIC definition under US tax law. The default PFIC tax regime is punitive, applying high rates plus an interest charge. Whether and how PFIC rules apply to investments held inside a UK SIPP depends on how the pension is characterised for US tax purposes and the specific DTA election made. An International SIPP for US residents is typically invested in UCITS ETFs structured to minimise PFIC complexity.
How Cameron James Helps UK Expats in the US
Cameron James is a cross-border financial planning firm with advisers who hold individual SEC authorisation via Beacon Global Advisor Network LLC (CRD 288833) and FCA regulation. Our services for UK expats in the US include:
- International SIPP setup and UK pension transfer, consolidating existing UK pensions into a structure built for US residents
- Investment strategy designed to minimise PFIC complexity under US tax rules
- NT tax code applications to HMRC for gross payment of UK pension withdrawals
- Retirement income modelling that sequences UK pension, 401(k)/IRA, and State Pension withdrawals to manage US marginal tax rates
- Death benefit planning ensuring US-resident beneficiaries can access the pension without the forced-transfer problem
- State Pension assessment and voluntary NI contribution analysis
- Coordination with your US CPA on FBAR, Form 8938, and other IRS reporting requirements
- Ongoing financial planning covering investment strategy, currency management, and estate planning
We work on a transparent fee basis with no commissions and do not provide US tax advice directly, but work alongside your US tax adviser or can introduce you to a specialist US expat CPA.
Build a retirement plan that works on both sides of the Atlantic
Whether you have just arrived with a UK pension to review or you are approaching retirement and need a coherent drawdown plan, a dual-regulated Cameron James adviser can help.
Related Reading From Cameron James
UK Pension and SIPP Transfer for US Residents: Your Complete Guide
US Resident SIPP: Complete Guide to SIPP Transfers and Consolidation
UK Pension Transfer to USA: What You Can and Cannot Do
Interactive Investor SIPP Closing for US Residents
Vanguard UK Closed Your Account Because You Live in the US?
Understanding the Beacon Global Advisor Network (BGAN) Model
Disclaimer
This article is intended for informational purposes only and does not constitute investment, legal, or tax advice. Cameron James does not offer tax advice. Please consult a qualified tax professional regarding your specific situation.
Advisory services in the United States are offered through Beacon Global Advisor Network, LLC, a registered investment adviser with the Securities & Exchange Commission. Beacon Global Advisor Network, LLC and Cameron James USA are not affiliated. Cameron James USA is a marketing name; advisory services are provided through Beacon Global Advisor Network, LLC.
