AJ Chambers ®
US/UK Tax Assistant Manager
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Assistant Tax Manager – US & UK Expatriate Tax
Location: UK
Level: Assistant Tax Manager / Tax Manager
Specialism: US Tax, UK Tax, Expatriate Tax, International Tax, Private Client Tax
Working Pattern: Hybrid
The Opportunity
An established specialist tax practice is looking for an Assistant Tax Manager to join its growing international tax team. This is a specialist role focused on US and UK taxation for American expatriates and internationally mobile individuals, combining tax compliance, cross-border tax advisory, client management and team supervision. The role would suit someone currently working in US Tax, Expatriate Tax, International Individual Tax, Private Client Tax or Cross-Border Tax who wants to develop their technical knowledge and take greater ownership of client relationships and junior team members. You will work across both US and UK tax matters, giving you exposure to a broad range of international individual tax issues.
Key Responsibilities
US & UK Tax Compliance
- Prepare and review US and UK individual tax returns for expatriates and internationally mobile individuals.
- Work across US Forms 1040, Form 8938, FBARs, UK Self-Assessment and other international tax filings.
- Manage tax return deadlines, estimates, extensions and other compliance requirements across multiple jurisdictions.
- Assist with delinquent and voluntary disclosure filings, including Streamlined Filing Compliance Procedures (SFOP), Streamlined Domestic Offshore Procedures (SDOP), Delinquent FBAR procedures and related submissions.
- Prepare responses and supporting documentation for IRS, HMRC and other tax authority enquiries.
- Review work completed by more junior members of the team.
International & Cross-Border Tax Advisory
- Research and advise on US/UK cross-border tax issues affecting individuals and families.
- Support senior team members with technical research, client consultations and prospective client work.
- Advise on tax-efficient structures, investments and the interaction between US and UK tax systems.
- Prepare technical tax memos and written advice on a range of international tax matters.
- Advise on UK residence and the Statutory Residence Test (SRT).
- Develop knowledge of the interaction between US tax rules, UK taxation and the US/UK tax treaty.
- Where relevant, gain exposure to US taxation of foreign companies, including Form 5471, GILTI and Form 8832 elections.
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Client Management
- Take responsibility for a portfolio of US expatriate and internationally mobile individual clients.
- Act as a key point of contact for day-to-day tax queries and ongoing compliance requirements.
- Build trusted relationships with clients and explain complex US and UK tax matters clearly.
- Take increasing ownership of client work and contribute to client retention and business development.
Team Development
- Supervise and support junior members of the tax team.
- Review work for accuracy, quality and technical compliance.
- Provide guidance on US and UK tax compliance and expatriate tax matters.
- Assist with training and development across the wider tax team.
- Support the Tax Team Lead and develop towards becoming a capable deputy when required.
About You
We are open to candidates from a range of relevant tax backgrounds. You may currently be working as an:
- Assistant Tax Manager
- US Tax Assistant Manager
- US Tax Senior
- US Tax Manager
- Expatriate Tax Senior
- Expatriate Tax Manager
- International Tax Senior
- International Tax Manager
- US/UK Tax Advisor
- Private Client Tax Manager
- Cross-Border Tax Advisor
You are likely to have several years' experience in US and/or UK individual taxation, ideally with exposure to expatriate tax, international tax or cross-border compliance. Relevant experience could include:
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- US individual tax / US expatriate tax
- UK individual tax / Self-Assessment
- US/UK cross-border taxation
- International individual tax
- Expatriate tax compliance
- Tax treaties and international tax
- US citizenship taxation
- US foreign reporting
- UK residence and the Statutory Residence Test
- IRS and HMRC correspondence
- Delinquent or voluntary disclosure procedures
A professional tax qualification such as EA, ATT or CTA is desirable, or you may be working towards one. Experience with CCH Axcess, ProSystem fx or other tax compliance software would be useful, although equivalent systems experience will also be considered.
What We're Looking For
- Strong technical interest in US and UK taxation.
- Good attention to detail and accuracy.
- Ability to manage multiple clients and deadlines.
- Clear and confident communication skills.
- Comfortable explaining complex tax matters to clients.
- Experience reviewing or supervising junior colleagues, or the potential to step into this responsibility.
- A collaborative approach and willingness to develop within a specialist international tax environment.
About the Firm
The firm is an established specialist tax practice with more than 40 years' experience advising American expatriates living in the UK. The team works across both US and UK taxation, allowing clients to receive coordinated advice across the two jurisdictions rather than treating their US and UK tax affairs separately. The business is entering a period of continued growth and investment, making this an opportunity to join an established specialist team while taking on greater responsibility across US tax, UK tax, expatriate tax and international individual tax.
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