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Interim Finance Officer (Income)

Location: London, Greater London
Sector: Charity
Date Posted: 10/11/2026
Salary: £22.00 - £23.00 per hour
Specialism: Finance
Ref: BH45867
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Interim Finance Assistant – Income & Reconciliations

Location: Paddington, London
Contract: 4 weeks – Interim
Working pattern: Full-time, 35 hours per week
Office attendance: 2 days per week, including Wednesday
Start date: ASAP

The Opportunity

We are currently recruiting for an experienced Interim Finance Assistant to join a well-established charity on an initial four-week assignment.

The successful candidate will provide additional support to the finance team, helping to clear an income-processing backlog and ensure donations and other income are accurately recorded, reconciled and allocated.

Key Responsibilities

  • Process and reconcile incoming donations, using spreadsheet information to identify and match transactions against records held within the CRM system.
  • Review and update donation records, ensuring payments are correctly recorded and outstanding information is completed.
  • Complete income and bank reconciliations, matching CRM records against bank statement transactions.
  • Reconcile income received through online donation platforms, including JustGiving and Stripe.
  • Investigate discrepancies and resolve queries, working closely with the fundraising team where necessary.
  • Check and maintain the accuracy of records within the donation database.
  • Ensure restricted and unrestricted income is correctly identified, allocated and coded to the appropriate nominal accounts.
  • Support the finance team in clearing the existing income-processing backlog.
  • Identify and investigate underlying issues rather than simply processing transactions, ensuring accurate financial reporting.

About You

To be considered for this assignment, you will ideally have:

  • Previous experience in a finance or accounts-based role, with strong bank and balance sheet reconciliation skills.
  • Experience processing high volumes of financial transactions accurately and efficiently.
  • Charity sector finance experience, with a good understanding of fund accounting.
  • Knowledge of restricted and unrestricted income and the correct allocation of funds to nominal accounts.
  • The ability to investigate discrepancies, identify errors and resolve queries independently.
  • Strong Excel and spreadsheet skills, with excellent attention to detail.
  • The confidence and ability to pick up new systems and processes quickly, requiring minimal training.

If you have strong reconciliation experience, ideally within a charity environment, and are available to start at short notice, we would love to hear from you.

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