Liaise with internal teams and external payroll providers to support timely preparation and submission of payroll-related filings and remittances, including PAYE/RTI, US federal and state payroll taxes, social security, pensions, and other statutory contributions across jurisdictions. Provide day-to-day operational payroll support, including reviewing payroll inputs, resolving employee and vendor queries, and ensuring timely and accurate payments to employees, tax authorities, and benefits providers in accordance with statutory deadlines and company policies.