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Business & Payroll Administrator

Posted 30 January 2026
Salary £13.00 - £15.00 per hour
LocationNewton Aycliffe
Job type Temporary-Permanent
Industry Sector Commercial
ReferenceJ140145
Job FunctionAdministration

Job description

The Rewards and Benefits on Offer;

  • Flexible working hours.

  • Workplace pension.

  • Training and development opportunities.

  • Supportive team environment.

  • Immediate start date

The Company you’ll 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.