US/UK Tax Director - Partner

Sunrise Cooperative; London; On-site; GBP 80,000 - 120,000; Full time

Job summary

A prominent London firm is seeking a US / UK Tax Director – Partner to steer its tax team strategically. The role demands extensive cross-border tax expertise, superb leadership abilities, and a dedication to fostering client relations. Offering a competitive salary and extensive professional development, this position promises a significant impact in a client-focused environment.

Benefits

Competitive remuneration and extensive executive benefits

Ongoing professional development and training

A diverse and exciting client portfolio

Qualifications

• Minimum 15 years' experience in professional tax practice.
• Deep knowledge of US and UK tax legislation.
• Proven leadership and people management skills.

Responsibilities

• Provide inspirational leadership to a growing team.
• Own financial performance, including WIP management.
• Deliver high-quality outputs on complex technical tax matters.

Skills

Leadership

Tax Legislation

Client Management

Communication

Organizational Skills

Education

Bachelor’s degree in Commerce or equivalent

Postgraduate tax qualifications (CPA, EA, JD or equivalent)

Tools

Microsoft Excel

CCH

Virtual Cabinet

Job description

US / UK Tax Director – Partner
Job Type: Full Time, Permanent
Location: Mayfair, London
Salary: £Competitive

About Us
Established in 1975, Sopher + Co is a trusted adviser to high net worth individuals, entrepreneurs, expats, and owner-managed businesses. Known for our expertise in media, entertainment, and over 20 other industries, we pride ourselves on a people-first culture and a commitment to delivering exceptional client experiences. With offices in Elstree and Mayfair, we continue to grow and invest in top talent that shares our values and ambition.

The Opportunity
We are looking for a senior-level US / UK Tax Director – Partner to join and lead our specialist dual-handling tax team in Mayfair. This is a high-impact leadership role, reporting directly to the CEO, and ideal for an accomplished tax professional with deep cross-border experience and a passion for developing teams and client relationships. You’ll be responsible for strategic direction, technical delivery, and continued growth of the practice.

Key Responsibilities

• Provide inspirational leadership to a growing team of US / UK tax professionals
• Own the financial performance of the group — including WIP management, billing, annual quoting and cash collection
• Play a key role in marketing, business development, and brand visibility — both internally and externally
• Deliver high-quality, timely outputs on complex technical tax matters, including treaty claims, CGT, and non-dom issues
• Oversee the full cycle of US and UK annual tax return processes
• Manage high-level IRS and HMRC enquiries and lead resolution of complex client cases
• Guide, train and support junior staff, creating a high-performance culture through coaching and structured development
• Ensure all deliverables are accurate, compliant, and meet the high standards expected of our clients
• Drive team learning and ensure continuous professional development across all levels

What We’re Looking For

• A minimum of 15 years' experience in professional tax practice
• Deep knowledge of US and UK tax legislation, with specialist expertise in cross-border personal taxation
• Proven leadership and people management skills — including delegation, performance monitoring, and deadline management
• Bachelor’s degree in Commerce or equivalent
• Postgraduate tax qualifications (CPA, EA, JD or equivalent)
• Advanced technical proficiency in Microsoft Excel and tax software including CCH and Virtual Cabinet
• Highly organised, proactive, and confident working with HNW and confidential clientele
• Strong written and verbal communication skills with stakeholders at all levels
• A positive role model who supports a collaborative and high-integrity culture

What We Offer

• A senior leadership role in a prestigious, client-focused firm
• Competitive remuneration and extensive executive benefits
• The opportunity to shape the future of a thriving tax division
• A warm, collaborative and high-achieving team culture
• Ongoing professional development and training
• A diverse and exciting client portfolio that few firms can match

Join Us
If you're ready to make a significant impact at a leading firm that values expertise, innovation, and integrity, we want to hear from you.