Global Mobility Tax Manager

Work with some of the world's largest multinational organisations.

A Global Consulting Powerhouse is seeking an experienced Global Mobility Tax Manager to support a portfolio of major UK and international corporate groups across a wide range of sectors, including technology, pharmaceuticals, manufacturing, consumer products, energy, telecommunications and professional services.

These organisations operate across multiple jurisdictions and employ globally mobile workforces ranging from senior executives and key talent to large-scale international assignee populations. As a trusted adviser, you'll help clients navigate increasingly complex cross-border employment, tax and mobility challenges in an ever-changing global workforce environment.

With organisations continuing to embrace international expansion, hybrid working, remote working and cross-border talent strategies, this is an opportunity to join a market-leading team delivering solutions to some of the most sophisticated global mobility programmes in the market.

The Opportunity

You will manage a portfolio of multinational clients, acting as a key adviser on global mobility strategy, expatriate tax, international assignments, remote working, social security and workforce compliance matters.

Working alongside specialists in tax, immigration, reward, employment tax and mobility technology, you will help clients manage international workforces efficiently while mitigating risk and ensuring compliance across multiple jurisdictions.

This role combines technical expertise, client leadership, project management and people development, offering excellent exposure to senior stakeholders and complex cross-border challenges.

Key Responsibilities

• Manage day-to-day delivery and international coordination of global mobility engagements.
• Oversee UK expatriate tax compliance programmes and coordinate with specialist delivery teams.
• Advise multinational businesses on cross-border tax, social security, remote working and international assignment matters.
• Lead complex global mobility advisory projects involving multiple jurisdictions.
• Collaborate with specialists across employment tax, immigration, reward and mobility technology.
• Provide practical and commercially focused mobility tax advice to clients and employees.
• Advise on emerging mobility trends, workforce transformation and international employment developments.
• Support senior executives and VIP assignees throughout assignment lifecycles.
• Build and maintain strong relationships with HR, Global Mobility and Tax stakeholders.
• Manage engagement budgets, project delivery and commercial performance.
• Coach and develop junior team members.

About You

You'll be an experienced Global Mobility professional with a strong technical foundation and a passion for advising multinational organisations.

You will ideally have:

• ACA, ATT, CTA or equivalent professional qualification.
• Extensive experience within expatriate tax or global mobility services gained within Big 4, professional services or an equivalent environment.
• Strong UK employment and expatriate tax knowledge.
• Experience supporting large multinational corporate groups and complex international assignment programmes.
• Excellent client relationship and stakeholder management skills.
• Strong organisational and project management capabilities.
• Experience managing and developing junior team members.
• Advanced Microsoft Excel, PowerPoint and Word skills; Power BI experience is advantageous.

Why Join?

This role provides the opportunity to work directly with some of the world's most recognisable multinational organisations, advising on the people implications of international growth, mobility and workforce transformation.

You'll gain exposure to complex, high-profile assignments, collaborate with specialists across multiple disciplines and build relationships with senior HR, Mobility and Tax leaders, all while enjoying genuine career progression and flexible working arrangements.