Processing Assistant

Processing Assistant (Expenses)

Finsbury Park, London | WPS

Are you highly organised, detail-focused, and looking for an opportunity to grow within a busy finance environment? WPS is seeking a Processing Assistant (Expenses) to join our team in Finsbury Park and play a key role in supporting our supplier payment and employee expense processes.

Reporting to the Processing Manager, you'll be responsible for processing employee expenses and supplier invoices, ensuring payments are made accurately and on time, and maintaining compliance with company procedures and HMRC regulations.

Working closely with colleagues, suppliers, and stakeholders, you'll help ensure financial information is accurate, queries are resolved efficiently, and key business systems remain up to date.

• Process employee expense claims accurately and within agreed timescales
• Review claims to ensure compliance with company policy and HMRC guidelines
• Verify costs are correctly coded and allocated
• Identify and elevate duplicate, fraudulent, or non‑compliant claims
• Process supplier invoices and support payment runs
• Resolve invoice and expense queries professionally and promptly
• Reconcile supplier statements and maintain accurate records
• Assist with month‑end activities, reporting, audits, and continuous improvement initiatives

• Experience in Accounts Payable, Finance Administration, Expense Administration, or a similar role
• Excellent attention to detail and accuracy
• Strong organisational skills and ability to meet deadlines
• Good communication and customer service skills
• Proficient in Microsoft Office, particularly Excel
• Comfortable working in a fast-paced, high-volume environment

• COINS system experience
• Construction industry experience
• Experience processing high volumes of transactions

At WPS, you'll join a supportive team where collaboration, accuracy, and continuous improvement are valued. This is a fantastic opportunity for someone looking to develop their finance and processing career within a growing business.

Given the nature of this position, you will need to undergo a Standard Disclosure and Barring Service Check (DBS) at offer stage. Applicants with criminal convictions will be assessed individually, and we assure you that we do not discriminate based on an applicant's criminal record or the details of any disclosed offenses. Additionally, certain roles may be subject to additional pre‑employment checks.

To learn more about the checks included in this process:
National Security Vetting

WPS is proud to be an employer where anyone can thrive, and we welcome applications from candidates of all backgrounds.

We don't discriminate based on a criminal record; all applications are reviewed on an individual basis against the requirements of the role. Some roles may require additional checks, due to the nature of the work. As a Disability Confident Leader, we offer an interview to applicants with a disability who meet the minimum criteria for the role and opt in to the Disability Confident scheme.

Reasonable adjustments are available, please contact us at