International Tax Japan Senior Associate, London

The Opportunity

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 Japan Business Services team works with Japanese and Asia-Pacific headquartered multinational groups investing into, operating in, or restructuring across the UK, Europe and wider EMEIA region. As a Senior Associate, you will support the delivery of a broad range of International Tax & Transaction Services (ITTS) projects, working alongside experienced colleagues across EY's global network. This role offers the opportunity to develop deep international tax and transaction experience while building strong relationships with clients and EY teams in multiple jurisdictions.

Your Key Responsibilities

• Support the delivery of international tax and transaction advisory projects for Japanese and Asia-Pacific headquartered multinational groups.
• Assist with transaction tax work on inbound and outbound acquisitions and disposals, including preparing technical analysis, coordinating information requests and working closely with Tax Due Diligence, Strategy & Transactions and Legal teams.
• Contribute to post-merger integration and post-deal implementation projects, including legal entity simplification, integration planning and post-acquisition restructuring activities.
• Support group and regional restructuring projects across multiple jurisdictions, helping with project management, technical analysis and implementation activities.
• Assist clients with BEPS 2.0 and Pillar Two projects, including impact assessments, data gathering, analysis and coordination with EY Japan and overseas teams.
• Undertake international tax research, prepare client deliverables and assist with managing tax risk, governance and controversy matters.
• Work collaboratively with colleagues across the UK, EMEIA and Japan to deliver high-quality client service and develop practical solutions to complex cross-border tax issues.
• Build and maintain strong internal and external relationships while contributing to business development initiatives and knowledge sharing across the team.

Skills and Attributes for Success

• Fluent Japanese speaker with strong written and verbal English communication skills.
• Experience in International Tax, Corporate Tax, Transaction Tax or a related advisory discipline.
• Strong analytical and problem-solving skills with the ability to interpret complex technical issues and communicate them clearly.
• Ability to manage multiple priorities and deliver high-quality work in a fast-paced environment.
• Strong project management and organisational skills.
• A collaborative approach and an eagerness to learn and develop within a global team environment.

Qualifications

• ATT, ACA, CA or CTA qualified, part-qualified, or working towards qualification.

This version feels much more aligned to an EY L2 Senior Associate: supporting delivery, developing technical expertise, managing discrete workstreams, and building client exposure without the expectation of leading the most complex restructuring and controversy projects.