Tax Manager, Global Mobility Services

KPMG UK | London | Tax & Law

• Location: London

• Capability: Tax & Law

• Experience Level: Manager

• Working Pattern: Full Time or Part Time

• Business Area: Tax Managed Services

• Contract Type: Permanent

KPMG is looking for a talented and commercially minded Tax Manager to join its Global Mobility Services (GMS) team in London. This is an exciting opportunity to work in a fast-evolving area of tax, supporting major international clients with complex cross-border workforce matters.

If you are looking for a role that combines technical tax expertise, client leadership, project management, and people development, this position offers the chance to build an impactful and rewarding career within one of the world’s leading professional services firms.

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Why Join KPMG?

At KPMG, people are at the heart of everything we do. Our values shape our culture, our decisions, and the way we work with clients and each other. We believe our strength comes from the diversity of perspectives, experiences, and backgrounds across our teams.

KPMG’s Global Mobility Services practice is a growing and high-profile part of the Tax business. Our teams support some of the world’s most recognised organisations, helping them manage global workforces in a way that is efficient, compliant, and future-ready.

Joining this team means becoming part of a global network of more than 4,000 professionals across 140+ countries. You will work on major international engagements and advise on some of the most important workforce issues facing businesses today, including:

• Cross-border working

• Remote working

• Virtual assignments

• International mobility compliance

• Global workforce strategy

You will also collaborate with specialists across tax, immigration, technology, reward, and mobility administration, using leading tools and solutions to deliver exceptional outcomes for clients.

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The Opportunity

As a Global Mobility Services Manager, you will play a central role in the delivery and coordination of client engagements. You will be trusted to lead day-to-day service delivery, provide high-quality technical advice, manage projects, and strengthen client relationships.

This role would suit someone who is confident, proactive, outward-facing, and motivated by working in a dynamic international environment. You should be comfortable balancing technical excellence with commercial awareness and relationship management.

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What You’ll Be Doing

In this role, you will take ownership of a broad and varied portfolio of responsibilities, including:

Client Engagement & Service Delivery

• Manage the day-to-day global coordination and/or UK service delivery of client engagements, depending on the portfolio.

• Work closely with junior team members to ensure high standards of delivery and client service.

• Oversee the delivery of UK tax compliance matters in collaboration with the KPMG Centre of Excellence.

Advisory & Technical Support

• Advise clients on a range of cross-border mobility issues, including:

• Tax

• Social security

• Policies and processes

• Programme efficiencies

• Provide clear and practical UK tax technical analysis and advice.

• Support clients with current developments in global mobility and UK tax.

Project Management & Collaboration

• Lead and coordinate advisory projects for clients from start to finish.

• Work closely with internal specialists across:

• International Social Security

• Employment Tax

• GMS Technology

• Reward

• Immigration

• KPMG Member Firms globally

• Deliver multidisciplinary solutions on complex international assignments and workforce matters.

VIP Assignee Support

• Assist Engagement Leaders with VIP assignee services.

• Conduct arrival and departure briefings for senior assignees.

Client Relationship Management

• Build, develop, and maintain strong long-term client relationships.

• Act as a trusted adviser and a visible point of contact for clients.

Team & Financial Management

• Manage engagement finances with support from junior colleagues.

• Coach, mentor, and support junior staff to help them grow and succeed.

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What You’ll Bring

To succeed in this role, you will need strong technical grounding, excellent judgement, and the confidence to work directly with clients and internal stakeholders in a fast-paced environment.

Experience

• Extensive experience in expatriate tax or global mobility tax services within a Big 4 firm or a comparable environment.

• Previous in-house experience within a Global Mobility or HR team, or experience working overseas, would be advantageous but is not essential.

Qualifications

• ACA / ATT / CTA qualified, or equivalent.

Technical & Systems Skills

• Strong skills in:

• Microsoft Excel

• Microsoft PowerPoint

• Microsoft Word

• Experience with Microsoft Power BI for reporting would be beneficial, though it is not required.

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Who Will Thrive in This Role?

KPMG is seeking someone who brings energy, curiosity, and a strong sense of accountability. The ideal candidate will be someone who enjoys solving complex problems, building strong relationships, and contributing to a collaborative team environment.

You’re likely to be a great fit if you:

• Are energetic, ambitious, and committed

• Take personal ownership and demonstrate strong accountability

• Can analyse complex information and identify the key issues quickly

• Provide practical, commercially focused advice

• Communicate clearly and confidently, both verbally and in writing

• Are passionate about the international dimension of tax and mobility work

• Have strong organisational skills and can work proactively using your own initiative

• Are comfortable managing multiple deadlines and working effectively under pressure

• Show resilience, adaptability, and creative thinking when handling challenges

• Bring strong tax technical expertise

• Exercise sound professional judgement and know when to escalate issues appropriately

• Work collaboratively and invest in the growth and development of others

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Why Tax & Law at KPMG?

The world of tax and legal services is constantly changing, both in the UK and internationally. That makes a career in KPMG’s Tax & Law practice both intellectually stimulating and professionally rewarding.

You’ll have the opportunity to work across a broad and diverse range of specialisms, including:

• Corporate Tax

• Indirect Tax

• Expatriate Tax

• Private Client Personal Tax

• Tax Compliance and Advisory

• KPMG Law

This breadth gives you the chance to deepen your expertise, work on varied and meaningful client challenges, and build a long-term career in a supportive and forward-looking environment.

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Flexibility & Location

Although this role is based in London, KPMG is open to speaking with talented professionals from across the UK.

With 20 offices nationwide, KPMG may be able to support a range of flexible working arrangements, including:

• Office-based working

• Working from home

• Flexible hours

• Part-time options

If flexibility is important to you, KPMG encourages you to discuss this during the application process.

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Apply Now

If you are ready to take the next step in your career and make your mark in a leading global mobility tax team, KPMG would love to hear from you.

To explore this opportunity, simply apply, create your profile, and upload your CV to begin the process.

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Learn More

• Tax at KPMG

• Applying to KPMG

Join KPMG and help shape the future of global mobility while building a career with real scale, challenge, and opportunity.