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Practice Areas
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Practice Areas

Every service we offer is built for people and businesses with a foot in both countries. One team handles the US and UK sides together.

Complete Service Directory

Every service we offer to optimize your tax position.

US & UK Filing

US Tax Returns

Form 1040 and 1040-NR with every expat mechanism applied.

UK Self Assessment

SA100 returns prepared in step with the US side.

US State Tax Returns

State filings and clean residency exits.

US & UK Business Tax

Corporate and partnership returns in both countries.

Reporting & Catch-Up

FBAR & FATCA Reporting

FinCEN 114, Form 8938, and the full information stack.

PFIC & Form 8621

PFIC analysis, elections, and portfolio fixes.

Streamlined Filing

Penalty-free catch-up for non-willful filers.

IRS & HMRC Representation

Audit defense in both jurisdictions.

Treaty & Planning

US/UK Treaty Relief

Tie-breakers, resourcing, and Form 8833 positions.

US/UK Pension Planning

SIPPs, 401(k)s, lump sums, and Roth treatment.

Cross-Border Tax Planning

Pre-move, annual, and exit planning across both systems.

Tax Planning & Prep

Proactive multi-year planning and preparation.

Wealth & Property

US/UK Trusts & Estates

Estate tax and IHT planned under the treaty.

Cross-Border Property Tax

Rentals, FIRPTA, and property sales on both sides.

Expatriation & Exit Tax

Section 877A planning and Form 8854.

Private Client

Advisory for significant cross-border wealth.

Specialist

International Tax

Global structuring beyond the US/UK corridor.

Crypto Tax

Digital asset reporting in both systems.

Gift Tax Returns

Form 709 compliance and cross-border gifts.

Tax Controversy

Dispute resolution with the IRS and HMRC.

Business & Accounting

Bookkeeping & Accounting

Monthly accounting for cross-border businesses.

Payroll Services

Payroll on both sides, including secondments.

Business Incorporation

Entity formation for US and UK expansion.

CFO Advisory

Finance leadership for growing companies.

Sales Tax & Nexus

US sales tax for businesses entering the market.

M&A

Deal structuring across borders.

Financial Statements

Compilation and review services.

Finance Outsourcing

An outsourced finance function.

Need help choosing the right service?

Our specialists are ready to assess your situation and recommend the optimal tax strategy for your unique circumstances.

Schedule Your Consultation
How We Work

One Team Covering Both Sides of the Atlantic

Your US and UK returns prepared together, by one team, so every credit and treaty claim lands where it should, in the year it should:

US Federal & State Returns

Form 1040 and 1040-NR preparation with FEIE, Foreign Tax Credit, and treaty positions modeled and applied every year.

UK Self Assessment

Residence status, split-year treatment, and remittance analysis coordinated directly with your US filing.

Foreign Information Reporting

FBAR, Form 8938, Form 8621, and the full reporting stack for your accounts, pensions, and investments abroad.

Annual Dual Filing
Background

We help people and businesses operating across two countries pay tax once, not twice.

2
Tax Systems, One Team
100%
Treaty-Reviewed Returns
40+
Years Combined Experience
4
Offices Across the US & UK
Client Success

What Our Partners Say
About US/UK Cross Border Tax

Michael R.

"I had a UK accountant and a US preparer who had never spoken to each other, and I was paying tax twice on the same income. One team took over both returns, claimed the credits in the right country, and amended two prior years. The difference was immediate."

Michael R.
AMERICAN IN LONDON, TECH EXECUTIVE
Contact US/UK Cross Border Tax

Two Tax Systems, One Team

London Headquarters

4 Crown Place
London EC2A 4BT
United Kingdom

Manchester

CORE
Brown St, Manchester M2 1DH
United Kingdom

San Francisco

600 California St
San Francisco, CA 94108
United States

New York

33 Irving Pl
New York, NY 10003
United States

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