US/UK Personal Tax Assistant Manager

I4; London; On-site; GBP 50,000 - 70,000; Full time

Job summary

A prestigious firm in Mayfair seeks a US/UK Personal Tax Assistant Manager to provide bespoke tax advisory services to clients. The role involves managing a portfolio, supervising juniors, and engaging in client meetings. The firm promotes growth and offers a competitive salary in a supportive environment.

Benefits

Competitive salary and benefits package

Ongoing training and development

Opportunity for progression

Qualifications

• At least 5 years' experience in US and UK personal tax compliance.
• Proven experience reviewing and signing US and UK tax returns.
• Strong knowledge of US and UK tax regimes.

Responsibilities

• Deliver tax advisory and compliance services to high-net-worth individuals.
• Manage portfolio financials, including WIP and billing.
• Supervise junior staff and provide training.

Skills

Communication

Attention to Detail

Time Management

Client Service

Technical Guidance

Education

EA and/or ATT qualified

Tools

CCH ProSystem

UK tax software

Virtual Cabinet

Job description

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US/UK Personal Tax Assistant Manager, London

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Client:

I4

Location:

London, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Reference:

afd586bde13b

Job Views:

14

Posted:

22.06.2025

Expiry Date:

06.08.2025

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Job Description:

US / UK Personal Tax Assistant Manager
Job Type: Full Time, Permanent
Location: Mayfair, London
Salary: £Competitive

About Sopher + Co
Established in 1975, Sopher + Co is a leading firm of business advisers and accountants, trusted by entrepreneurs, high net worth individuals, expats, and professional partnerships. With roots in Elstree and a prestigious Mayfair presence, we have developed strong specialisms across over 20 industries, particularly in media and entertainment. Our success is built on our people — and we offer an environment that supports ambition, personal growth, and a commitment to delivering excellent client service.

The Opportunity
We are currently seeking an experienced US / UK Personal Tax Assistant Manager to join our growing team in Mayfair. This is an exciting opportunity to work across a high-profile client base, providing bespoke tax advisory and compliance services to US-connected individuals. You'll work closely with the Tax Director and wider team, taking ownership of a portfolio and supporting both clients and junior staff.

Key Responsibilities

• Deliver US and UK personal tax advisory and compliance services to high-net-worth individuals and expatriates
• Manage your portfolio’s financials, including WIP, billing and cash collection
• Attend new business meetings, assist in proposals, and prepare follow-up communications
• Monitor job progress and workflow, ensuring jobs are delivered within budget and deadlines
• Draft bills and manage productivity targets
• Coach and support junior team members, providing technical guidance and contributing to their development
• Supervise junior staff on information gathering and return preparation
• Stay current on relevant legislation, technology and industry developments
• Participate in internal and external training

What We’re Looking For

• At least 5 seasons’ experience in US and UK personal tax compliance
• Proven experience in reviewing and signing US and UK tax returns
• Strong knowledge of both tax regimes and how they interact
• Previous experience supervising or coaching junior staff
• Entrepreneurial and self-motivated approach to client service
• Excellent communication and interpersonal skills
• Advanced IT skills; experience using CCH ProSystem, UK tax software and Virtual Cabinet
• High level of accuracy, attention to detail, and time management
• EA and/or ATT qualified
• Experience with corporates and trusts advantageous but not essential
• Discreet and professional when handling sensitive client information

What We Offer

• Competitive salary and benefits package
• A supportive, inclusive, and professional work environment
• Exposure to prestigious clients and complex cross-border tax work
• Ongoing training and development
• Real opportunity for progression in a growing team

Join Us
If you’re looking for a firm that values its people, fosters career growth and offers exposure to truly interesting work, we’d love to hear from you.