Accounts Payable Assistant

Are you experienced in Accounts Payable and looking for a role where you can make a real impact in a supportive, global organisation? We are looking for an Accounts Payable Assistant to join our Finance team in Long Hanborough, Oxfordshire. This is a hands-on role where you’ll play a key part in ensuring supplier invoices, expenses and payments are processed accurately and on time, while working closely with colleagues across the business.

What We Offer:

• Hybrid working: A mix of working from home and from our Long Hanborough office
• Comprehensive benefits package: Including health cover, income protection, company sick pay and death‑in‑service benefit
• Wellbeing support: Access to our Employee Assistance Programme and an annual paid Mental Wellness Day
• Volunteering time: Paid time off to support causes that are important to you
• Global exposure: Opportunities to collaborate with colleagues across Europe and Africa

Responsibilities

• Process supplier invoices, including accurate coding and matching to purchase orders
• Manage the accounts payable shared inbox and respond to supplier and internal queries
• Reconcile supplier statements and investigate outstanding balances or discrepancies
• Support the preparation and processing of regular payment runs
• Review and process employee expense claims in line with company policy
• Liaise with internal departments to resolve invoice, PO and payment‑related queries
• Maintain accurate and up‑to‑date accounts payable records and supporting documentation
• Support month‑end accounts payable activities, including reconciliations and reporting
• Ensure compliance with internal controls, policies and procedures
• Carry out general finance administration and ad hoc tasks as required

Qualifications

• Previous experience in an Accounts Payable or transactional finance role
• Experience processing invoices and managing supplier queries
• Good attention to detail and a strong focus on accuracy
• Strong organisational and time‑management skills
• Ability to manage multiple tasks and meet deadlines
• Clear and professional communication skills
• Confident user of Microsoft Excel and other Microsoft Office applications
• Experience using finance or ERP systems (e.g. Oracle) is advantageous
• Experience working with multiple entities or international suppliers is beneficial

At NSF, our mission is to improve human and planet health. Our culture is rooted in four central values: Do the Right Thing, Treat People Well, Relentlessly Pursue Excellence, We are one NSF. These principles drive everything we do - from client service to internal collaboration. Apply now and send us your CV and cover letter. Come join our team, we look forward to hearing from you!