Role OverviewThe Accounts Payable Assistant is a core member of the finance team, responsible for ensuring the accurate, efficient, and timely processing of high-volume supplier invoices and employee expenses. Based in our Milton Keynes office, this permanent role focuses on maintaining a precise purchase ledger, resolving financial queries, and facilitating weekly payment runs while ensuring strict adherence to internal financial controls.Key ResponsibilitiesInvoice Processing and Ledger ManagementAccurately log, match, batch, and code high volumes of purchase invoices against corresponding purchase orders (POs) and delivery notes.Ensure all invoices are authorized by the appropriate department heads prior to payment.Maintain a clean, up-to-date, and accurate purchase ledger.Identify and investigate discrepancies between POs, delivery receipts, and supplier invoices.Payment Runs and ReconciliationsPrepare and process weekly and mid-month payment runs (BACS, CHAPS, and international transfers) accurately and on time.Perform regular supplier statement reconciliations, actively chasing missing invoices or credit notes to ensure account balances align.Process and reconcile employee out-of-pocket expenses and corporate credit card statements in line with company policy.Assist with month-end and year-end closing procedures, ensuring all AP timelines are met.Query Resolution and Supplier RelationsServe as the primary point of contact for external supplier inquiries via phone and ..... full job details .....