Sales Ledger Administrator in London

London based, near Liverpool St tube. Part-time role. Ideally Mon, Tue and Thu. Ideally standard 0900-1730 working hours on these days (there may be flex on the start and end times). You will be in the office on these days. If the role incorporates additional hours, then these can be worked from home.

3-6 month fixed term contract initially - the role may be extended or even made permanent. We are open to that being employed on a pro-rata salary (so you can take advantage of our employee benefits package), or a day/hourly rate if you are self-employed/contractor.

This role is required to support the Sales Ledger function due to ongoing integration between the CRM and accounting software - particularly around invoice accuracy, payment allocation, and reconciliation timelines. To ensure timely and accurate month-end close, key reporting, and maintaining high levels of member/client experience, this role is essential in ensuring the Finance team can deliver against these deadlines and priorities.

• The Sales Ledger Administrator is responsible for maintaining an accurate and well-controlled sales ledger across multiple payment platforms and systems.
• Sales Ledger Management — Maintain and update the sales ledger, ensuring all customer accounts are accurate and reconciled.
• Variance Investigation — Investigate and resolve discrepancies between payment platforms, CRM, and accounting records.
• Credit Control Support — Support the credit control process by monitoring overdue balances and escalating persistent debt.
• Bank Receipt Allocation — Allocate all customer receipts from the bank to the correct accounts daily.
• Liaising with Debt Collector — Work closely with the external debt collector, providing account information, documentation, and updates as required.
• Liaising with Internal Stakeholders – Work closely with General Managers to resolve queries and disputes related to invoices and payments to ensure timely resolution of billing issues raised by customers.
• Supporting the Finance function with month-end activities and ad-hoc tasks as required.
• Stripe Reconciliation — Reconcile Stripe activity to the accounting system, ensuring payouts, fees, and timing differences are correctly recorded.
• GoCardless Reconciliation — Reconcile GoCardless collections and settlement files, ensuring all receipts are matched and variances resolved promptly.
• BACS Receipt Integration — Ensure BACS receipts are correctly imported and mapped between the accounting system and CRM.
• Cross-System Account Accuracy — Keep customer accounts up to date in both systems, cross-checking balances and investigating any mismatches.
• Integration Issue Reporting — Monitor and report any integration issues between the accounting system and CRM, ensuring they are escalated and resolved promptly.
• Day 10 Report Oversight — Oversee preparation of the monthly Day 10 report, ensuring completeness, accuracy, and timely submission.
• Aged Debtors Reporting — Produce aged debtor reports with commentary highlighting risks, overdue accounts, and recommended actions.
• Audit Support — Provide reconciliations, schedules, and explanations for external audits.
• Process Improvement — Identify opportunities to streamline reconciliation, reporting, and credit control processes.

• Sales Ledger or AR Experience — 2–3 years in a similar finance role.
• Payment Platform Experience — Experience with Stripe, GoCardless, or similar processors.
• IT Proficiency — Strong Excel skills and experience with accounting/CRM systems.
• System Integration Knowledge — Understanding of CRM–accounting system data flows; preferable but not essential.
• Attention to Detail — High accuracy in reconciliations and data validation.
• Analytical Skills — Ability to interpret variances, trends, and exceptions.
• Communication — Clear communication with internal teams, customers, and external debt collectors.
• Organisation — Ability to manage multiple deadlines and reporting cycles.