Accounts Payable Assistant

Company: IONATE
Apply for the Accounts Payable Assistant
Location: London
Job Description:

Requirements

  • Proven experience in a purchase ledger / accounts payable role, with a good understanding of the end-to-end AP process
  • Experience working in a small, fast-paced team
  • Exceptional communication skills
  • Excellent attention to detail and a high level of accuracy when processing transactions
  • Strong organisational skills and ability to prioritise workload and meet deadlines (including payment run cut-offs)
  • Experience processing invoices, expenses, and payments
  • Confident using accounting systems (experience with Xero is required)
  • Intermediate Excel skills (e.g., pivots, lookups) and comfortable working with numerate data
  • Professional, helpful approach to stakeholder and supplier query resolution
  • (Desirable) Experience with ExpenseIn (or another expense/invoice workflow tool)
  • (Desirable) Exposure to multi-currency processing and/or import duties and customs documentation

What the job involves

  • Our London team is looking for an Accounts Payable Assistant to support the Finance function on a full-time basis
  • Requiring solid purchase ledger experience, you will work closely with our AP Supervisor and Financial Controller, supporting our UK and Austrian entities. You will play a key role in keeping the purchase-to-pay cycle running smoothly, ensuring suppliers are paid accurately and on time, and that records are clean and audit-ready
  • This role focuses on delivering the day-to-day accounts payable function while helping us improve and document processes as the business scales. You’ll work with colleagues across the company to streamline approvals, strengthen controls, and maintain high-quality data in ExpenseIn and Xero (multi-currency)
  • Own the end-to-end AP process: invoice capture, coding, approvals, posting, and payment
  • Be the first point of contact for supplier and internal AP queries; resolve discrepancies promptly and professionally
  • Process purchase invoices and credit notes in ExpenseIn and Xero (including multi-currency), ensuring correct VAT/tax treatment where applicable
  • Manage employee expenses and company credit card transactions, ensuring policy compliance and accurate coding
  • Maintain the purchase order process: ensure POs are raised for committed spend, obtain approvals, and match PO to invoices
  • Prepare weekly payment runs and ad-hoc payments, ensuring payments follow approval controls and agreed supplier terms
  • Reconcile supplier accounts and statements; investigate and clear aged items, duplicates, and unmatched transactions
  • Perform bank reconciliations and support month-end close activities related to AP
  • Manage the Finance shared mailbox, prioritising queries and maintaining clear audit trails
  • Support onboarding and maintenance of supplier master data (e.g., bank details) in line with internal controls
  • Manage HMRC customs reporting requirements and payments relating to import taxes on supplies
  • Provide reporting and supporting documentation for financial reporting and audit requests, and contribute to continuous improvement initiatives

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Posted: June 4th, 2026