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Payroll Administrator; Part time

Job in London, Greater London, W1B, England, UK
Listing for: H W Martin
Part Time position
Listed on 2026-09-06
Job specializations:
  • Accounting
    Bookkeeper/ Accounting Clerk, Accounts Receivable/ Collections, Accounting Assistant, Finance Assistant
Job Description & How to Apply Below
Position: Payroll Administrator (Part time)

Job title: Payroll Administrator (Part time)

Hours: Tuesday, Wednesday and Friday – 22.5hrs per week

Salary:Competitive and based on experience.

Additional benefits:25 Days Holiday + Bank Holidays, Company Pension, Free parking, Employee Assistance Programme, Life Assurance.

Contract Type:Permanent

The Martin Group of Companies:

The Martin Group of Companies (est. 1976) provide specialist services to the construction and waste recycling industries.

We have a dedicated, trained and certificated workforce of over 1,600 delivering works and support services from design, through to build and onward maintenance.

With a turnover of more than £300m and a fleet of over 500 vehicles, we are a major contributor in our fields of expertise with over 40 years experience of successfully delivering to our client's needs.

The Opportunity

The Payroll Administrator will be responsible for the accurate and timely processing of payroll, ensuring that employees are paid correctly and in accordance with relevant legislation, company policies and payroll procedures.

The role will also provide support with subcontractor invoice processing and payments, ensuring invoices are processed accurately, approved appropriately and paid in line with agreed payment terms and internal procedures.

Key Responsibilities Payroll Processing
  • Process weekly and/or monthly payrolls accurately and within agreed deadlines.
  • Input and maintain payroll information, including new starters, leavers, changes to salaries, bank details, working hours and contractual changes.
  • Process payments relating to overtime, bonuses, commissions, expenses, allowances, statutory payments and other payroll adjustments.
  • Calculate and process holiday pay, sickness absence and other relevant payments and deductions.
  • Process salary increases, back pay and other retrospective adjustments where required.
  • Ensure payroll deductions are processed accurately, including pension contributions, student loans, attachment of earnings orders and other statutory or voluntary deductions.
  • Process leavers, including final salary payments, holiday pay adjustments and P45 documentation.
Subcontractor Invoice Processing and Payments
  • Assist with the processing of subcontractor invoices, ensuring they are accurately recorded and processed in a timely manner.
  • Check invoices against relevant supporting documentation and ensure the appropriate approvals have been obtained.
  • Assist with resolving invoice queries and discrepancies with subcontractors and internal stakeholders.
  • Maintain accurate records of subcontractor invoices and payment information.
  • Assist with preparing and processing subcontractor payment runs in accordance with agreed payment terms and company procedures.
  • Ensure payments are made accurately and within agreed timescales.
  • Support with the reconciliation of subcontractor accounts and investigation of any discrepancies.
  • Respond to subcontractor payment and remittance queries in a timely and professional manner.
Requirements
  • Previous experience working in a payroll administration, accounts payable or similar administrative role.
  • Good understanding of payroll processes and statutory deductions.
  • Experience of processing invoices and/or payments.
  • Strong attention to detail and a high level of accuracy.
  • Excellent organisational and time management skills, with the ability to manage multiple deadlines.
  • Good numerical and analytical skills.
  • Strong Microsoft Excel skills and confidence using payroll, accounting or finance systems.
  • Ability to handle confidential and sensitive information appropriately.
  • Strong communication skills and the ability to deal professionally with employees, subcontractors and managers.
  • Ability to work independently while also contributing effectively as part of a team.
  • Experience processing both weekly and monthly payrolls.
  • Knowledge of PAYE, National Insurance, pensions and statutory payments.
  • Experience of subcontractor invoice processing and payment runs.
  • Payroll or finance qualification, or a willingness to work towards a relevant qualification.
  • Accuracy and attention to detail
  • Organisation and prioritisation
  • Confidentiality and discretion
  • Problem-solving
  • Communication and customer service
  • Numerical ability
  • Ability to work to deadlines
  • Teamwork and collaboration

We are an equal opportunities employer and welcome applications from any suitably qualified persons.

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