Cross-Border Advisory
Cross-border tax planning
Cross-border tax planning coordinates how your income and gains are taxed across the US and UK before the year closes — sequencing the Foreign Tax Credit, FEIE and treaty positions, and timing income, gains and pension draws so the two systems work together rather than against each other. Done early, it prevents double taxation and wasted reliefs; done late, the options have usually already gone.
When two tax systems apply to the same person, the difference between a good outcome and an expensive one is rarely the return itself — it is the planning behind it. The same income can be taxed efficiently or twice depending on which relief is claimed, in what order, and when the income was recognised.
Cross-border planning is about making those choices deliberately. We model how the Foreign Tax Credit, the Foreign Earned Income Exclusion and the treaty interact for your specific income mix, and we plan the timing of gains, bonuses and pension decisions around the two tax years. The result is a coordinated position that holds up when both returns are filed.
Planning at a glance
- Core tools
- FTC, FEIE & treaty
- Key variable
- Order & timing
- UK reality
- FTC often primary
- Tax years
- US and UK differ
- Best done
- Before year-end
- Outcome
- Taxed once, not twice
Who this is for
- Americans in the UK with mixed income sources
- Anyone facing a large gain, bonus or pension decision
- Clients moving between the US and UK mid-year
- People who have been claiming reliefs without modelling them
- Dual filers wanting their two returns to agree
- Higher earners where relief order materially changes tax
How it works
A clear path, start to finish
Book a consultation
We review your income mix and the decisions ahead.
Model the options
We test relief combinations and timing against your numbers.
Written plan
A clear position with the reasoning, risks and reporting set out.
Carry it through
We align the plan with your actual US and UK filings.
Investment
Bespoke, complexity-based pricing
Fees reflect the complexity of your situation — never a one-size template.
- £550 30-minute consultation
- Paid strategy session for detailed modelling, credited to later work
- Relief sequencing and timing modelled to your figures
- A written, defensible position you can act on
Frequently asked questions
It means deciding, before the tax year closes, how your income and gains should be reported across the US and UK so the two systems work together. In practice that covers which relief to use and in what order — the Foreign Tax Credit, the Foreign Earned Income Exclusion, treaty positions — plus the timing of income, bonuses, gains and pension draws, and how foreign accounts and investments are handled. The aim is a coordinated position rather than two returns prepared in isolation.
Because using one relief can reduce or waste another. Claiming the Foreign Earned Income Exclusion, for example, can leave less income for the Foreign Tax Credit to work against and can affect credit carryovers. In a high-tax country like the UK the Foreign Tax Credit is often the better primary tool, but the right combination depends on your income mix and future plans — which is why it is a planning decision, not a default.
Often, yes. The US and UK tax years run on different dates, treat some income differently, and recognise gains at different points. Decisions like when to realise a gain, take a bonus, or draw a pension can change which country taxes it first and whether relief is available — so the timing of an event, not just the event itself, affects the final bill.
No — planning comes first, filing follows. We can prepare the returns too, but the value of planning is in the decisions made before the year closes. Tax planning sets the position; the return simply records it.
Plan your position before the year closes
Book a consultation to coordinate your US and UK tax before the decisions are locked in.