Senior Advisor - Global Mobility Tax - Japanese Speaking - London

Iris Software; Greater London; Hybrid; GBP 60,000 - 80,000; Full time

Job summary

A global professional services firm is seeking a Senior Tax Advisor to join its UK&I Global Mobility team. The successful candidate will be responsible for advising clients on expatriate tax advisory and ensuring project excellence. This hybrid role offers global exposure, career progression, and competitive rewards within a diverse and inclusive culture. Ideal applicants will have relevant qualifications and strong communication skills, thriving in a fast-paced environment.

Benefits

Global Exposure

Career Progression

Support & Coaching

Flexible Working

Total Rewards Package

Inclusive Culture

Qualifications

• Experience in expatriate tax advisory.
• Excellent communication—both written and verbal.
• A team player who thrives in a fast‑paced environment.

Responsibilities

• Managing financial performance and billing.
• Act as a trusted advisor to clients on tax advisory matters.
• Manage key projects ensuring tax technical excellence.

Skills

Expatriate tax advisory

Tax technical knowledge

Strong problem solving

Communication skills

Ability to work under pressure

Team player

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 in the Japanese team 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.

EY | Building a better working world

EY exists to build a better working world, helping to create long‑term value for clients, people and society and build trust in the capital markets.