Complex tax.
Clear solutions.
Federal returns, foreign asset reporting, treaty planning, expatriation, and business tax — grouped by the situation that triggers them. We read the footnotes, parse the exceptions, and make the rules work for you.
Built for Americans in the UK. From annual returns to complex cross-border planning, we handle every layer of your US tax obligations so you stay compliant, pay only what you owe, and never lose sleep over the IRS.
- Form 1040 — US resident return for citizens & Green Card holders abroad
- Form 1040NR — non-resident return for US-source income
- Form 1040X — amended returns to fix errors or claim missed credits
- Foreign Earned Income Exclusion (Form 2555) — exclude up to ~$126k
- Foreign Tax Credits (Form 1116) — offset UK tax against US liability
- Treaty positions (Form 8833) under the US-UK double tax treaty
- FBAR / FinCEN 114 — required when foreign accounts exceed $10k in aggregate
- FATCA reporting (Form 8938) for specified foreign financial assets
- PFIC reporting (Form 8621) for ISAs, unit trusts and OEICs
- Form 3520 / 3520A — foreign gifts, distributions and trust reporting
- Form 8858 — disregarded entities including UK LLPs and sole traders
- Form 5471 / 8865 — foreign corporations and partnerships
- US-UK treaty planning — residence, pensions, gains and double-tax relief
- UK pension tax planning (SIPPs, workplace pensions) under US rules
- US 401(k) / IRA — UK tax treatment for UK residents
- ISAs & UK funds — PFIC analysis and election strategy (MTM vs QEF)
- Federal & state residence reviews when relocating between jurisdictions
- Expatriation planning (Form 8854) and exit-tax modelling for covered expats
- Streamlined Filing Compliance Procedures — 3 years of returns + 6 years of FBARs
- Form 14653 non-wilfulness certification preparation
- Extension of time to file (Form 4868) — automatic six-month extension
- IRS representation by Enrolled Agents under Power of Attorney (Form 2848)
- Penalty abatement and late-filing remediation cases
- HMRC liaison where the same case spans both authorities
Ten categories. One filing relationship.
Pick the situation that triggered the work — we’ll fork into the specific forms from there. Most engagements span at least two categories; the fee quote covers all of them.
CategoryFederal Tax Returns
US federal returns for citizens, Green Card holders, and non-residents — prepared with cross-border context baked in. Includes amended returns and additional-tax schedules.
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CategoryForeign Income & Credits
The mechanics for avoiding double tax on foreign earnings — FEIE vs. foreign tax credits — and how the US-UK treaty layers on top.
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CategoryForeign Asset Reporting
Disclosure regimes for US persons with non-US accounts and investments: FBAR, FATCA, and PFIC reporting for UK ISAs, OEICs, and unit trusts.
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CategoryForeign Trusts & Gifts
Reporting regimes under Form 3520 and 3520A for US persons receiving foreign gifts or holding interests in foreign trusts.
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CategoryEntity & Partnership
Information returns for US persons owning or operating through foreign entities — UK LLPs, partnerships, and Ltd companies.
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CategoryLate Filing & Compliance
Catching up on missed filings, buying more time, and dealing with the IRS directly through Enrolled Agent representation.
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CategoryPensions & Investments
How UK SIPPs, workplace pensions, ISAs, and US retirement accounts are treated across both tax systems — and how the treaty helps.
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CategoryExpatriation & Renouncing
Final-year filings for those renouncing US citizenship or giving up long-term Green Card status, including covered-expatriate / exit-tax analysis.
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CategoryResidency & Treaty
Where you're tax-resident when your life spans two countries — substantial presence, closer connection, and treaty tie-breaker analysis.
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CategoryBusiness Tax
US business returns for LLCs, partnerships, S-Corps, and C-Corps — including cross-border founders and inbound structures with foreign shareholders.
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- 60+US tax forms covered end-to-end
- 10service categories — one stop for cross-border filings
- Fixedfees, agreed before any work begins
- EA + ACCAdual-qualified to act in the US and UK
The non-negotiables, regardless of category.
Pricing, scope, and how a return reads when it lands at the IRS — these are the things we hold steady across every engagement, whether you’re filing a single 1040 or unpicking a decade of missed disclosures.
- A fee quote before any work starts — no open-ended hourly billing
- Plain-English commentary on every position taken on your return
- IRS Enrolled Agent representation on any notice or audit that follows
- Carry-forwards and elections tracked year on year, not re-discovered each season
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