Senior Manager, Global Tax

The world of work is constantly changing, and Global Mobility is no longer simply about international assignments and secondments. Businesses increasingly operate across borders, bringing both opportunity and complexity. Our Global Mobility team helps clients navigate that complexity, supporting international expansion, global remote working and mobility programmes. Working with our global partner network, we provide support across immigration, permanent establishment, income tax, social security, payroll tax and Global HR Services, complementing activpayroll ’s global payroll offering. As Senior Manager, you will play a key role in delivering and growing our mobility tax services. You’ll manage a portfolio of international clients, provide technical expertise, develop trusted client relationships and support the continued development of our team and services. On a typical day... You will manage a portfolio of international clients, delivering mobility tax compliance and advisory services. You will act as a trusted point of contact for clients, providing practical advice on UK income tax, payroll tax and social security matters. You will oversee tax compliance activity, including UK tax returns, shadow payrolls and year-end reconciliations, working with our global partners to coordinate requirements in other jurisdictions. You will review and sign off UK tax returns and provide technical guidance on complex mobility tax matters. You will build strong relationships with our gl