Payroll Specialist – UK & Expat Payroll

In this role you will manage UK and expatriate payroll end-to-end, ensuring accurate, timely processing and strict compliance with HMRC and company policies. You will work with Global Mobility, HR and Finance to deliver shadow payrolls, year-end tasks, and expatriate inputs for inbound and outbound assignments. You will act as a payroll SME, guiding employees on payslips, deductions, and benefits while supporting system enhancements and audits. This is a chance to support a growing international business and shape compliant payroll delivery across the UK and a global expatriate population.

• Deliver accurate UK monthly payroll including statutory payments, PAYE, National Insurance, student loans and auto-enrolment pensions per HMRC rules
• Manage payroll lifecycle: new starters, leavers, changes, adjustments, year-end processes (P60, P11D)
• Administer UK and expatriate payrolls (inbound/outbound shadow payrolls)
• Collaborate with Global Mobility, HR, Finance and payroll provider to ensure compliant delivery
• Process expatriate inputs: allowances, benefits, retention bonuses, leave, pensions, deductions, final settlements
• Ensure correct processing of allowances, benefits-in-kind, pensions, salary sacrifice and taxable/non-taxable payments
• Review and validate calculations, reconciliations, reports and outputs for accuracy and compliance
• Maintain UK tax, social security, payroll legislation, auto-enrolment and GDPR compliance
• Prepare payroll reports and support audits with controls and query resolution
• Act as payroll expert, advising on payslips, deductions, benefits and queries
• Support onboarding/offboarding, maintain payroll/HR records, assist with system enhancements and implementations
• Coordinate with HR, Finance and international stakeholders to support multi-country payroll operations

• Proven UK payroll administration experience
• Experience managing expatriate, international, or shadow payrolls
• Strong knowledge of UK payroll legislation, PAYE, National Insurance, pensions, and year-end reporting
• Experience with outsourced payroll providers
• Strong validation, reconciliation, and analytical skills
• Advanced Excel and HRIS/payroll systems experience
• Attention to detail and ability to meet tight deadlines
• Strong communication and stakeholder management skills

• Attention to detail
• Stakeholder management
• Teamwork and collaboration
• Advanced Excel
• HRIS/payroll systems
• Payroll reconciliation and reporting