Senior Manager - US/UK Cross Border Tax - London
Location: London
Other locations: Primary Location Only
Date: Apr 22, 2026
Requisition ID:
About EY Tax
EY Tax is a market leader, renowned for delivering sustainable growth and empowering our people to shape their own careers. Our diverse and collaborative team advises on high-profile transactions with technical expertise, innovation and continuous development. Join us to work on challenging, multi-country projects in a supportive, dynamic environment where your impact matters.
The Opportunity
We're seeking an experienced Senior Tax Manager to join our Private Client team, managing a diverse portfolio of clients with complex US and/or UK tax affairs. You'll deliver outstanding client service across compliance and advisory matters, develop junior team members, and support business growth through effective portfolio management.
This role offers exposure to challenging advisory work, collaboration with Directors and the wider EY Private network, and excellent progression opportunities to Director and beyond, with potential secondments across EY.
The Team
Our US/UK Cross Border team advises internationally high net worth individuals, family offices, private equity and hedge fund principals, and high profile professional partnerships. We provide a full range of tax services - from compliance and residence/domicile advice to transactions, wealth optimisation and succession planning.
Key Responsibilities
- Manage an allocated portfolio of clients, ensuring a consistently high level of service.
- Plan, delegate and oversee work effectively to meet deadlines and maintain quality standards.
- Lead the billing process and collaborate with the Credit Control team to ensure prompt invoice payment.
- Conduct complex final reviews to ensure accuracy, manage risk and uphold quality.
- Sign off completed tax returns as agreed with senior staff.
- Demonstrate a broad understanding of related tax areas (e.g., estate/gift tax, IHT, corporate tax) and engage internal specialists when required.
- Provide coaching, guidance and performance feedback to junior team members.
- Support the technical, personal and professional development of allocated staff, managing performance issues with HR guidance when needed.
- Ensure all compliance work meets EY's high standards, minimising risk and maintaining excellent client service.
- Act as a role model for EY's values, maintaining confidentiality and professionalism.
- Work collaboratively across teams, ensuring smooth operation of the practice.
Qualifications
- ATT qualified and authorised to practice US tax (EA or CPA).
About You
- Significant tax experience at a similar level within a professional practice.
- Proven ability to deliver high quality client service in person and via phone/email.
- Strong technical experience across a full range of client tax requirements, including signing off US/UK tax returns.
- Proven experience advising non domiciled individuals and high net worth clients.
- Excellent leadership, communication and relationship management skills.
- Ability to manage complex workstreams and deliver outcomes under pressure.
- Experience in billing and managing financial performance.
- Skilled at leading and developing junior team members.
- Highly organised, detail oriented and able to work well under pressure.
- Strong numerical and analytical abilities with sound IT skills.
- Confident in managing client relationships and influencing respectfully when needed.
- A proactive team player who also works effectively independently.
- Supportive, collaborative and committed to maintaining a positive team culture.
What We Offer
- Global Exposure - Work with international clients and teams across EY's global network.
- Career Progression - Develop new skills, lead high impact projects and shape your career path.
- Support & Coaching - Receive mentoring at every stage.
- Flexible Working - We support hybrid working and encourage a healthy work life balance (minimum two days in office).
- Total Rewards Package - Competitive salary, comprehensive benefits and exclusive EY perks.
- Inclusive Culture - Thrive in an environment that values authenticity, diversity and inclusion.
To help create the best experience during the recruitment process, please describe any disability related adjustments or accommodations you may need.