Senior Advisor - Global Mobility Tax

Iris Software; Greater London; Hybrid; GBP 50,000 - 70,000; Full time

Job summary

A global leader in professional services is seeking a Senior Tax Advisor in the United Kingdom to join their UK&I Global Mobility team. This role involves advising clients on international tax and mobility challenges, managing financial performance, and supporting junior team members. The ideal candidate will possess strong expatriate tax advisory experience, excellent communication skills, and relevant qualifications. The position supports hybrid working, allowing for flexibility in achieving work-life balance.

Benefits

Global exposure with international clients

Career progression opportunities

Support and coaching from industry experts

Flexible working arrangements

Competitive salary and benefits

Inclusive culture celebrating diversity

Qualifications

• Strong understanding of expatriate tax regulations.
• Proven ability to manage financial performance and billing.
• Experience with global mobility advisory services.

Responsibilities

• Act as a trusted advisor to clients on tax advisory matters.
• Lead cross-functional teams on complex queries.
• Keep clients updated on key legislative changes.

Skills

Expatriate tax advisory

Tax technical knowledge

Problem-solving skills

Strong communication skills

Ability to work under pressure

Team work

Education

ATT/ACA/CA/ACCA or CTA qualification

Job description

At EY, you’ll have the chance to build a career as unique as you are, with the global scale, support, inclusive culture and technology to become the best version of you. And we’re counting on your unique voice and perspective to help EY become even better, too. Join us and build an exceptional experience for yourself, and a better working world for all.

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:

Are you passionate about working on a global scale? Want to help businesses and individuals navigate international tax and mobility challenges? Join our UK&I Global Mobility team as a Senior Tax Advisor and be part of something big.

You’ll work with a dynamic team, advising clients on international assignments, short‑term business travel, and cross‑border remote work. You’ll gain hands‑on experience with specialists in personal tax, employment tax, immigration, and reward services—building the skills you need to become a future leader in global mobility.

Key Responsibilities

• Managing financial performance and billing.
• Act as a trusted advisor to clients, providing expertise on tax advisory and global mobility matters.
• Leading on briefings.
• Collaborate with cross‑functional teams and global network on complex queries.
• Manage key projects, ensuring tax technical excellence and practical business‑driven solutions.
• Keep clients updated on key legislative changes and their business impact.
• Help win new work by strengthening relationships with existing clients and seeking new opportunities.
• Support and mentor junior team members, and knowledge sharing within the team.
• Drive innovation by leveraging new technologies and staying ahead of regulatory changes.

Skills and Attributes for Succes

• Experience in expatriate tax advisory.
• Excellent tax technical knowledge.
• Strong problem‑solving skills and a commercial mindset.
• Excellent communication—both written and verbal.
• Ability to work under pressure and meet deadlines.
• A team player who thrives in a fast‑paced environment.
• ATT/ACA/CA/ACCA or CTA qualification is required.

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.

Ready to lead, inspire, and make an impact? Apply now!

To help ensure the best possible experience during the recruitment process, please let us know if you require any disability‑related adjustments or accommodations.

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