EY
Manager - US/UK Cross Border Tax - London
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At EY, we’re all in to shape your future with confidence.
We’ll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go.
Join EY and help to build a better working world.
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, collaborative team advises on high-profile transactions, combining technical expertise, innovation and a genuine focus on continuous development. Join us to work on challenging, multi-country projects in a supportive, dynamic environment where your impact truly matters.
The Opportunity
This is an exciting opportunity for a Tax Manager to join EY’s market-leading US/UK Cross-Border Tax team. You’ll manage a diverse and complex portfolio of clients, ensuring outstanding client service across compliance and advisory engagements. You’ll also play a key leadership role — reviewing returns, managing staff, supporting their development, and upholding EY’s commitment to quality and integrity.
This role offers the opportunity to work with international clients, build deep relationships, and expand your technical expertise within a dynamic, high-performing team.
Our US/UK Cross-Border Tax team combines the best of both practices to deliver exceptional client service and global reach. With over 45 years of experience advising US and UK private clients, we guide individuals through the complex tax regulations and planning considerations that apply across jurisdictions.
Key Responsibilties
Manage a portfolio of clients with complex US and/or UK tax affairs, ensuring exceptional service and timely delivery. Plan and delegate work effectively, overseeing the end-to-end compliance process. Lead billing processes, ensuring deadlines and financial targets are met. Work with the Credit Control team to support timely payment of invoices. Review complex returns with accuracy and rigour, signing off completed work as agreed with senior management. Identify cross-disciplinary tax issues (including estate, gift, IHT, or corporate tax) and coordinate with relevant specialists. Coach and mentor junior team members, supporting their professional growth and performance. Oversee the technical, personal, and administrative development of assigned staff, escalating personnel matters as needed. Maintain EY’s high standards of risk management, quality, and client service. Act as a role model for EY’s values, maintaining confidentiality and professionalism in all interactions. Collaborate flexibly across teams, providing support to colleagues to ensure smooth and efficient operations.
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Skills And Attributes For Success
We’re looking for an experienced and motivated professional who demonstrates:
ATT qualification and US tax certification (Enrolled Agent or CPA) — CTA qualification desirable but not essential. At least five years’ experience in professional practice, operating at a similar level. Strong technical knowledge of both US and UK tax compliance and advisory work. Proven ability to deliver high-quality client service in person, by phone, and via email. Experience managing billing, reviewing and signing out returns, and overseeing junior staff. Excellent communication skills, both written and verbal. Strong organisational skills and the ability to work effectively under pressure. Great attention to detail and a high level of accuracy. Proven people management skills and the ability to build trusted relationships with colleagues and clients alike. Confidence to influence, persuade, and manage challenging client situations with professionalism and tact. The ability to work both independently and collaboratively as part of a team. Proficiency with relevant IT systems and tax software.
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What We Offer
At EY, we’ll help you develop future-focused skills and gain world-class experiences. You’ll be empowered in a flexible environment and supported by a diverse, inclusive culture of globally connected teams that fuel your extraordinary talents.
Global Exposure: Work with international clients and teams across EY’s global network. Career Progression: Develop new skills, take on leadership roles, and grow your career. Support & Coaching: Learn from industry experts and be mentored by senior leaders. Flexible Working: We support hybrid working and work-life balance. Two days in the office. Total Rewards Package: Competitive salary, benefits, and exclusive EY perks. Inclusive Culture: Work in an environment that celebrates diversity and authenticity.
EY | Building a better working world
EY is building a better working world by creating new value for clients, people, society and the planet, while building trust in capital markets.
Enabled by data, AI and advanced technology, EY teams help clients shape the future with confidence and develop answers for the most pressing issues of today and tomorrow.
EY teams work across a full spectrum of services in assurance, consulting, tax, strategy and transactions. Fueled by sector insights, a globally connected, multi-disciplinary network and diverse ecosystem partners, EY teams can provide services in more than 150 countries and territories.
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