Portfolio Payroll is partnering with a well‑established plumbing business with a strong reputation across the UK. Due to continued growth and internal projects, they are looking to appoint a Payroll Assistant on a 12‑month fixed‑term contract to support their busy payroll function. The Role As a Payroll Assistant, you will play a key role in ensuring the accurate and timely processing of payroll for a diverse workforce, including engineers, office staff and field‑based teams. You'll support the end‑to‑end payroll cycle and help maintain high standards of compliance and service. Your responsibilities will include: Updating payroll records with new starters, leavers and contractual changes Processing variable pay including overtime, call‑outs and allowances Completing manual statutory calculations (SSP, SMP, SPP etc.) Assisting with monthly payroll checks, reconciliations and reporting Supporting HMRC compliance, including tax, NI and RTI submissions Handling pension administration and auto‑enrolment processes Maintaining accurate data within the HR/payroll system Providing a friendly, professional payroll service to employees and managers Desirable Skills & Experience Previous experience in payroll processing Strong understanding of HMRC legislation, tax, NI and statutory payments Experience with auto‑enrolment and pension administration Confident with man...