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Complete Guide

Individual Tax Obligations for Non-Residents:
US & UK Complete Guide

Who This Is For

Non-Resident Pakistanis (NRPs), overseas property owners, and individuals earning US or UK-sourced income - dividends, rentals, director fees - while living outside those countries.

What You'll Learn

How personal tax obligations work separately from business taxes, what triggers a filing requirement in the US and UK, why the SA109 form is HMRC's most commonly missed trap, and how Pakistan's global income rules interact with US and UK systems.

Why It Matters

A single missing form or unregistered scheme can cost you more than the tax itself - in penalties, rejected claims, and FBR compliance gaps that are expensive to untangle later.

20 min read
|
Intermediate
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2025 Edition

Who This Guide Is For - and Who Should Stop Here

This guide applies to you if:
Check if your situation matches
  • You're a Pakistani national or NRP receiving rental income, dividends, or investment returns from US or UK sources
  • You hold a director role in a UK or US company and receive fees or dividends personally
  • You own UK property and your permanent address is outside the UK
  • You send money back to Pakistan from US or UK earnings and want to understand what the FBR sees
  • You've sold - or are planning to sell - US real estate as a non-resident
This guide is not for you if:
These situations fall outside this guide's scope
  • You're a UK or US tax resident filing a standard resident return
  • You need step-by-step filing instructions or current annual tax rates
  • You only need guidance on corporation tax or business-level reporting

Key Takeaways

1
Non-residents are taxed on income sourced within the US or UK - not on worldwide income from those countries' perspective
2
Your company doesn't absorb personal tax liability. Director fees, dividends, and guaranteed payments are assessed at the individual level - separately from whatever the entity pays
3
The SA109 form is required for UK non-resident filings. Without it, HMRC defaults to treating you as a resident on worldwide income - a significant and silent tax hike
4
US stock gains are generally exempt for non-residents. US real estate disposals are not - FIRPTA withholding applies to the gross sale price, not the profit
5
The UK Non-Resident Landlord Scheme (NRLS) imposes 20% withholding on rental income by default, unless you register for gross receipt
6
Pakistan taxes its residents on global income. US and UK taxes paid can be credited against FBR liability - but only with proper documentation
7
The UK and US increasingly share financial data with the FBR through the Automatic Exchange of Information (AEOI/CRS). "They won't find out" is no longer a viable strategy
8
UK filing deadline: 31 January. US filing deadline for non-residents: 15 June (with extensions possible)
Filing errors in one jurisdiction create problems in the others. A missing SA109, an unregistered NRLS position, or undocumented foreign tax credits can compound across Pakistan, the UK, and the US simultaneously.

Your Company Is Not Your Shield

This is a common assumption, and an expensive one. A lot of NRPs set up UK limited companies or US LLCs thinking the entity will absorb their tax exposure entirely. It doesn't work that way.

The entity pays its own taxes - corporation tax in the UK, or applicable federal and state taxes in the US. But the moment money moves from that entity to you personally - as a director's fee, a dividend, or a guaranteed partnership payment - it becomes personal income. Assessed at the individual level. In the country where it originates. Your residency doesn't change that.

The company pays Corporation Tax on its profits. You pay Income Tax on what you take out. Two separate calculations. One does not cancel the other.
How the two layers work side by side
What the Entity Pays What You Pay Personally
Corporation Tax on company profits Income Tax on director fees
Employer NIC contributions (UK) Tax on dividends received
Business rates, VAT Tax on guaranteed payments from partnerships

US Personal Tax Triggers for Non-Residents

Non-residents get taxed on two categories of US-sourced income. First, income that's effectively connected to a US trade or business. Second, what the IRS calls Fixed, Determinable, Annual, or Periodical income - FDAP - which covers dividends, interest, rents, and royalties from US sources.

Wages for work physically done inside the US are taxable regardless of where you live. Same with rental income from US property. US company dividends fall under FDAP and carry a default 30% withholding rate, though that can come down under an applicable tax treaty.

Category 1

Effectively Connected Income (ECI)

Income that's effectively connected to a US trade or business - including wages for work physically performed inside the US, regardless of where you live.

Category 2

FDAP Income

Fixed, Determinable, Annual, or Periodical income - covering dividends, interest, rents, and royalties from US sources. Default 30% withholding rate applies, reducible by treaty.

Capital Gains: The Important Split

Generally Exempt

US-listed shares - Gains from selling US-listed shares are generally exempt for non-residents

FIRPTA Applies

US real property - Gains from selling US real property are not exempt. FIRPTA withholding applies to the gross sale price, not the profit

Pro-Tip: FIRPTA

FIRPTA withholding isn't calculated on your profit - it's calculated on the gross sale price. Sell a US property for $500,000 and the IRS withholds a significant portion of that figure at closing, regardless of what you originally paid. The buyer is legally responsible for making that remittance. If you haven't planned for it, you could be short on funds to close your next transaction.

If the withheld amount exceeds your actual tax liability, you can recover the overpayment by filing Form 1040-NR. That refund process takes months - plan accordingly before committing to your next purchase.

US vs. UK Non-Resident Cheat Sheet

Comparison United States United Kingdom
Filing Form 1040-NR Self Assessment + SA109
Default Withholding 30% (FDAP income) 20% (NRLS - rental income)
Real Estate Rule FIRPTA - gross sale price No equivalent withholding on disposal
Stock/Share Gains Generally exempt Depends on residency status
Treaty Relief Claimed on 1040-NR Claimed via SA109
Key Deadline 15 June (non-residents) 31 January

UK Personal Tax Triggers and Filing Requirements

The UK taxes non-residents on income that arises within its borders. That includes employment income for work physically performed in the UK, UK pension payments, interest from UK bank accounts, and rental income from UK property.

A Self Assessment return is generally required once UK-sourced income crosses applicable thresholds, or when HMRC issues a notice to file. The online submission deadline is 31 January following the end of the relevant tax year - which runs from 6 April to 5 April.

Employment Income

Income for work physically performed in the UK, regardless of where you are tax resident

UK Rental Income

Rental income from UK property owned by non-residents, subject to NRLS rules

UK Pension Payments

Pensions arising from UK sources and paid to non-residents are subject to UK tax

UK Bank Interest

Interest from UK bank accounts and financial institutions with UK-sourced origin

Income Above Threshold

Self Assessment is generally required once UK-sourced income crosses applicable thresholds

HMRC Notice to File

If HMRC issues a formal notice to file, a Self Assessment return is required regardless of income level

31 Jan
UK Deadline

Online Self Assessment submission following the relevant tax year (6 April to 5 April)

15 Jun
US Deadline (Non-Residents)

Form 1040-NR filing deadline for non-resident aliens with US-sourced income

Miss that deadline and penalties start the next day. They accumulate. There's no grace period.

The Software Problem Most Guides Ignore

Standard filing platforms don't handle non-resident returns correctly

Standard DIY tax platforms and basic HMRC portal filings aren't built to handle non-resident supplementary pages. They'll let you submit a return without flagging the SA109 requirement. The return goes through. HMRC processes it as a resident filing. You find out later - usually when a penalty or revised tax notice arrives.

The SA109: HMRC's Silent Trap

Pro-Tip

Filing a UK Self Assessment without the SA109 doesn't cause HMRC to reject your return. It causes HMRC to assess you as a UK resident on your worldwide income - without notifying you. That means a much larger tax bill than you intended to file, and correcting it after the deadline is far harder than including the form in the first place.

What It Is

The SA109: Non-Resident Supplementary Page

The SA109 is the supplementary non-resident page of the UK Self Assessment return. It declares your residency status, supports treaty relief claims, and is the only mechanism for applying for split-year treatment if you moved to or from the UK during the tax year.

You must include the SA109 if any of the following apply:

  • You're claiming non-resident status to limit your UK tax liability
  • You moved to or from the UK mid-year and are applying for split-year treatment
  • You're declaring foreign income or gains and claiming relief under a tax treaty
What Happens Without It

Silent worldwide income assessment

HMRC defaults to worldwide income assessment. The treaty claim you intended to make doesn't exist on record. Your tax position gets calculated as if you were a resident - which you never agreed to. Standard filing software won't warn you this has happened.

Specialized Schemes for Non-Residents

UK Non-Resident Landlord Scheme (NRLS)

Own UK property and live outside the UK? You're automatically enrolled in the Non-Resident Landlord Scheme. That's HMRC's default position - nothing you need to trigger it.

Default HMRC Position

Under the NRLS, your tenant or letting agent deducts 20% from your gross rental income and sends it directly to HMRC before the money reaches your account. You get the net. That 20% has already left your hands before you ever see the payment.

How the two NRLS paths compare
NRLS Default Path (Unregistered)
1
Gross rent paid by tenant
2
20% withheld by agent/tenant HMRC receives 20%
3
Landlord receives 80% net only Money already gone
NRLS Registered Path (Approved)
1
Full gross rent paid directly to landlord
2
No upfront deduction by agent or tenant
3
Landlord self-reports via Self Assessment Full control retained
The Gross Rent Path

Applying to receive gross rent without deductions

You can apply to HMRC to receive gross rent - the full amount, no upfront deduction. Approval depends on a satisfactory compliance record and a commitment to self-report through Self Assessment. It's not automatic. Not every applicant is approved.

Landlords who skip registration and don't account for the withheld 20% usually catch the problem when reconciling their annual return. By then, the letting agent has already filed and remitted the amount, and the landlord has no documentation trail to match against it.

Navigating Multi-Jurisdictional Tax as an NRP

Pakistan runs a global income tax system. If you're a Pakistani tax resident - even while living abroad - you're required to report your worldwide income to the FBR, including anything sourced from the US or UK.

For many NRPs, that creates a three-layer reporting obligation. You report to the IRS or HMRC based on source-country rules, then report the same income to the FBR as part of your global declaration.

1
United States / United Kingdom

Source-Country Reporting

IRS (Form 1040-NR) or HMRC (Self Assessment + SA109) based on where income originates

2
Pakistan / FBR

Global Income Declaration

Same income reported again to FBR as part of worldwide income requirement for Pakistani tax residents

3
FBR Credit System

Foreign Tax Credit

US and UK taxes already paid can be credited against FBR liability - but only with documented proof

Pro-Tip: The FBR Credit System
Why Documentation Matters

Pakistan's foreign tax credit system can offset your FBR liability by the amount already paid to the IRS or HMRC on the same income. But this only works if you have the documentation - filed returns, payment confirmations, and records that match across jurisdictions. Missing that paper trail means paying twice. The credit doesn't apply automatically.

On Remittances

Sending money to Pakistan is not the same as declaring it

Sending money from a UK or US account to Pakistan isn't typically taxable as a remittance in itself. But the FBR is interested in the source of that money - the income that generated it. "I sent money home" and "I declared the income that money came from" are two different things. Make sure you're doing both.

The AEOI Reality Check

The FBR already knows about your foreign accounts

The UK and US participate in the Automatic Exchange of Information framework and the Common Reporting Standard. Financial institutions in both countries report account data - balances, income, transactions - to the FBR. The idea that foreign income stays invisible to Pakistani tax authorities doesn't hold up anymore. Undisclosed US or UK income is a traceable liability, not a private arrangement.

Common Mistakes and Compliance Risks

1
Most Frequent & Expensive

Filing without the SA109

Standard filing software doesn't flag this omission. The return submits. HMRC processes it as a resident filing. You get assessed on worldwide income without realising it. This is the most frequent and most expensive error NRP filers make.

2

Not registering with the NRLS

Overseas landlords who skip registration find the 20% has already been withheld and remitted by their agent before they even file. Reconstructing that paper trail is time-consuming and, in some cases, results in penalties for the agent too.

3

Assuming Pakistani exemptions override UK or US source rules

Source-country rules apply first - always. Pakistan's credit system operates after the fact. If you owe tax to HMRC or the IRS, you owe it regardless of your FBR position. Pakistan can reduce duplication after the fact, not before.

4

Misreading disregarded income as unconditionally good

The UK classifies certain interest and dividends received by non-residents as "disregarded income" - not subject to UK tax. Sounds like a benefit. The complication is that claiming disregarded income can forfeit your UK Personal Allowance. If you have other UK income - rental income from a property, say - losing the allowance can push your overall liability higher than if the income had simply been taxed. It's a calculation, not an automatic win.

5

Treating the 1040-NR and standard 1040 as interchangeable

Non-residents file Form 1040-NR - not the standard Form 1040. The forms handle income categories, exemptions, and treaty claims differently. Using the wrong one creates filing errors that can take a full tax cycle to correct.

6
Data Sharing Active Now

Relying on financial privacy

AEOI and CRS data sharing between the US, UK, and Pakistan means undisclosed foreign income is increasingly visible to the FBR. Non-disclosure isn't a strategy - it's a deferred liability with interest.

All six of these errors share one root cause: treating a multi-jurisdiction non-resident filing as a standard domestic return. The forms are different, the mechanisms are different, and standard software isn't designed for this corridor.

Compliance Overview

High-level obligations only. This is not a step-by-step filing guide.
🇺🇸
Jurisdiction
United States

Non-residents with US-sourced income file Form 1040-NR

FDAP income is subject to 30% withholding, reducible by treaty

FIRPTA withholding on real estate disposals applies at transaction level - calculated on gross sale price

Treaty relief claims go on Form 1040-NR with the applicable treaty article cited

Overpaid FIRPTA tax is recoverable via 1040-NR, but the refund process takes months

Filing deadline: 15 June (non-residents) - extensions available
🇬🇧
Jurisdiction
United Kingdom

Self Assessment return due 31 January (online) following the relevant tax year

SA109 supplementary pages required for non-residents claiming treaty relief, non-resident status, or split-year treatment

NRLS registration available for overseas landlords who want to receive gross rent

P85 form used to notify HMRC when leaving the UK - relevant for split-year cases

Standard filing software often can't process SA109 - check compatibility before filing

Filing deadline: 31 January (online)
🇵🇰
Jurisdiction
Pakistan

Global income reporting required for Pakistani tax residents regardless of where income is sourced

Foreign tax credits available for US and UK taxes paid on the same income - documentation required

FBR filing deadlines operate on a separate calendar from US and UK deadlines

AEOI and CRS data sharing means UK and US account information is increasingly available to the FBR

FBR deadlines operate separately from US and UK

Is This the Right Time to Act?

Use these markers to assess your current position:

Action Required

You likely need a specialist review if:

  • You own UK property and have never registered with the NRLS
  • You've filed UK Self Assessment returns as a non-resident without including SA109
  • You receive US dividends and haven't checked treaty relief eligibility
  • You've sold or are planning to sell US real estate without accounting for FIRPTA
  • You declare income to the FBR but haven't cross-referenced it against your US or UK filings
  • You use standard consumer tax software for a non-resident return

If any of the above apply, a specialist review before your next deadline is the right next step.

Stable Position

You may be in a stable position if:

  • You've confirmed your SA109 is included in every UK filing where it applies
  • Your NRLS registration is active and gross rent arrives without deductions
  • You've filed 1040-NR (not 1040) for US-sourced income
  • Your FBR filing includes foreign tax credit documentation matching your IRS and HMRC payments
Deadline Reminder
UK - 31 January
|
US (non-residents) - 15 June

Need Help Getting This Right?

Filing errors in one jurisdiction create problems in the others. A missing SA109 results in a resident-level UK tax assessment. An unregistered NRLS position creates a 20% gap in your rental income records. Undocumented foreign tax credits mean paying the FBR for income you already paid tax on elsewhere.

Standard accountants and general-purpose tax software aren't built for the Pakistan-US-UK corridor. The forms are different, the deadlines are different, and the credit system only works when all three sides are coordinated.

If you're not certain your current filing position across these jurisdictions is accurate and complete, a specialist review is the right next step - before the next deadline, not after it.

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Frequently Asked Questions

The SA109 is the non-resident supplementary page of the UK Self Assessment return. You need it if you're claiming non-resident status, applying for split-year treatment, or declaring foreign income and claiming treaty relief. Without it, HMRC treats your filing as a resident return and assesses you on worldwide income - often without sending a separate notice to tell you that's happened.
Most consumer-facing platforms and basic HMRC portal tools are built for straightforward resident filings. They don't prompt for the SA109 or handle the 1040-NR correctly. Your return gets submitted without anything flagging what's missing. By the time the error surfaces, the deadline has usually passed.
Your tenant or letting agent deducts 20% from your gross rental income and sends it to HMRC before you receive anything. You can apply to receive the full gross amount without that deduction, but HMRC has to approve it first and they base that decision on your compliance record. It's not a given.
Gross rental income is the full amount your tenant pays. Net is what lands in your account after the 20% NRLS deduction. If you're not registered for gross receipt, you're getting the net. The 20% has already been sent to HMRC on your behalf - but it still needs to show up in your Self Assessment return.
US dividends paid to non-residents carry a 30% default withholding rate. Applicable tax treaties can reduce that. Whatever was paid to the IRS can then be claimed as a foreign tax credit against your FBR liability on the same income. You'll need documentation of what was withheld, when, and against which income - the credit doesn't apply without it.
FIRPTA kicks in when a non-resident sells US real property. Withholding gets calculated on the gross sale price, not the gain. The buyer is legally responsible for withholding and remitting to the IRS. If the withheld amount is more than your actual tax liability, you can file Form 1040-NR to recover the difference - but that process takes months, so factor it into your transaction timeline before you commit.
Disregarded income covers certain UK-sourced interest and dividends that aren't subject to UK tax for non-residents. It sounds straightforwardly good. The catch is that claiming it can cost you your UK Personal Allowance. If you also have UK rental income or other taxable UK sources, losing the allowance might leave you with a higher overall bill than if the income had just been taxed normally. It depends on your full picture - run the numbers before assuming it's a win.
More and more, yes. The UK and US are part of the Automatic Exchange of Information framework and the Common Reporting Standard. Banks and financial institutions in both countries report account balances and income data to the FBR. Undisclosed foreign income is traceable.
Yes, if you're a Pakistani tax resident. Pakistan's global income tax system requires FBR reporting of all worldwide income - including amounts already taxed by HMRC or the IRS. Foreign tax credits can reduce what you owe to the FBR on that income, but the reporting obligation exists regardless.
The 1040-NR is the right form for non-resident aliens with US-sourced income. The standard Form 1040 is for US citizens and residents. They handle income categories, exemptions, and treaty claims differently. File the wrong one and you're looking at an amended return to fix it - a process that takes a full tax cycle.
Specialist Tax Advice

Get Your Filing Position Right Across All Three Jurisdictions

Standard accountants and general-purpose tax software aren't built for the Pakistan-US-UK corridor. The forms are different, the deadlines are different, and the credit system only works when all three sides are coordinated.

UK 31 January
US (non-residents) 15 June
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Pakistan-US-UK specialist corridor
Multi-jurisdiction coordinated filing
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