The Rewards and Benefits on Offer; Flexible working hours. Workplace pension. Training and development opportunities. Supportive team environment. Immediate start date The Company youll be working for; MTrec Commercial are proudly representing our industry leading client on their search for a reliable, organised and detail-oriented Business Administrator & Payroll Assistant to support the smooth running of the day-to-day operations. This role is ideal for someone with strong administrative skills and experience processing payroll in the UK. Working part-time, you will provide essential support across office administration, payroll, record-keeping, and general business operations. The Role you will be doing; Payroll Process weekly/monthly payroll for 10 members of staff in line with UK legislation and company procedures. Maintain accurate employee records, including starters, leavers, absences, and timesheets. Submit Real Time Information (RTI) to HMRC. Ensure pension contributions are processed and liaise with pension providers (auto-enrolment). Handle payroll queries from staff in a timely and professional manner. Business Administration; Provide general administrative support to the management team e.g timesheet data input. Manage incoming calls, emails, and correspondence. Maintain organised digital and paper filing systems. Support onboarding processes for new employees. Monitor and order office supplies and equipment as required. Assist with basic bookkeeping tasks e.g., invoice processing We are flexible with working hours and days, however working a Monday is essential. About You; Essential Previous experience in payroll administration within the UK. Strong understanding of UK payroll legislation including tax, NICs, and pensions. Proficiency with payroll software (e.g., Sage, Xero, BrightPay, or similar). Excellent administrative and organisational skills. Good IT skills (Microsoft Office / Google Workspace). High level of accuracy and attention to detail. Ability to handle confidential information with discretion. Desirable Experience in a small business or multi-tasking role. Basic bookkeeping or finance experience. Knowledge of HR processes. Personal Attributes Reliable and self-motivated. Strong communication skills, both written and verbal. Ability to work independently and manage workload effectively. Positive and professional attitude.