The Role
Manage day-to-day US tax compliance for a portfolio of US-connected clients, prepare and review US tax returns, provide proactive tax advice, support Managers and Directors on complex matters, and mentor junior team members while building trusted client relationships.
Summary Generated by Built In
We are seeking an experienced US Tax Senior to join our growing US Tax team, which forms part of our wider Private Client Tax practice. The ideal candidate will have a strong background in US tax laws and regulations, tax planning, compliance and client management.
As a Tax Senior, you will work on a portfolio of US tax clients, delivering high-quality compliance services, supporting advisory and planning projects, providing strategic tax advice, and building strong client relationships. You will work closely with colleagues across the broader Private Client Tax team, contributing specialist US tax expertise to deliver an integrated service to clients with US tax requirements.
As a Tax Senior, you will work on a portfolio of US tax clients, delivering high-quality compliance services, supporting advisory and planning projects, providing strategic tax advice, and building strong client relationships. You will work closely with colleagues across the broader Private Client Tax team, contributing specialist US tax expertise to deliver an integrated service to clients with US tax requirements.
Key Responsibilities
- Work on a portfolio of US clients: be involved all aspects of the tax compliance and wider relationship management.
- Prepare and review US tax returns for individuals, corporations, partnerships, trusts and estates.
- Build and maintain strong relationships with clients, providing proactive tax advice and addressing their needs in a timely and professional manner.
- Support Manager and Director in providing market-leading advice to US connected clients in the UK.
- Ability to manage workload to ensure timely completion of deliverables.
- Provide technical guidance and training to more junior staff.
- Work collaboratively with the wider tax team.
- Focus on continuing to develop your technical knowledge with the support of the team, including studies toward tax qualifications such as Enrolled Agent.
Skills, Knowledge and Expertise
- In-depth knowledge of US tax laws, regulations, and compliance requirements.
- Previous experience in US tax compliance and advisory services in personal and owner managed businesses, including preparing Streamlined filings, Forms 1040, 1040NR, 3520, 5471 and 8858 – experience across all areas is not required but is preferred.
- Previous experience in US tax compliance services in corporation and partnership tax, including form 1120, 1120-F, and 1065 – experience across all areas is not required but is preferred.
- US Enrolled Agent (EA) is not essential but preferred.
- UK tax technical knowledge is preferred but not required.
- Strong analytical and problem-solving skills, with the ability to identify and resolve tax issues.
- Excellent communication and interpersonal skills, with the ability to effectively interact with clients and team members at all levels.
Benefits
About
At Moore Kingston Smith, we believe in the potential of people to make a positive impact, fuelled by the power of genuine understanding. Working with small, medium and large clients, we are a multi-disciplinary advisory, tax and audit firm with expertise across multiple sectors, uniquely positioned to help people realise their ambitions. Our London and regional teams deliver quality results locally and nationally, and worldwide alongside the Moore Global network. Through respect, collaboration and active listening, understanding is at the heart of everything we do with our clients, colleagues and communities. We value people and projects that promote positive change for the future. Come and join us to make a difference.
Skills Required
- Strong experience in US tax compliance and advisory work
- In-depth knowledge of US tax laws, regulations and compliance requirements
- Exposure to US personal tax, owner-managed businesses, partnerships and/or corporate tax
- US Enrolled Agent (EA) qualification
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The Company
What We Do
Moore Kingston Smith is a multi-disciplinary advisory, tax, and audit firm with expertise across multiple sectors, uniquely positioned to help people realize their ambitions.








