Interim Management Accountant

Location: London Status: 5 month fixed term contract Reports to: Financial Controller About the Role We are looking for an experienced Interim Management Accountant to join the Finance team on a fixed-term basis to provide additional support during a particularly busy period. The successful candidate will play a key role in managing the 31 December 2026 year-end close and the subsequent external audit, which is expected to run through to March 2027, while also supporting business-as-usual activities including month-end reporting, reconciliations, and financial controls. The interim Management Accountant will be instrumental in maintaining continuity, supporting the wider team through a period of change, and ensuring key deadlines are met during this peak period. Job Purpose: The Interim Management Accountant is responsible for ensuring the accuracy, completeness, and integrity of the month-end close and management reporting for the Foundation’s entities. Reporting to the Financial Controller, this role takes hands-on ownership of preparing the management accounts with commentary for assigned regional entities and reporting categories, whilst reviewing the month-end work and reconciliations prepared by the Associate Accountants. Working alongside the FP&A team, this role focuses heavily on balance sheet integrity, robust financial controls, and ensuring the absolute accuracy of the trial balance. Principal accountabilities: Management Reporting & Month-End Close • Preparation: Own the end-to-end month-end close process and prepare comprehensive management accounts with variance commentary to assure accuracy. • Review: Perform a technical review of the month-end close packages and supporting reconciliations prepared by the Associate Accountants for other designated regional entities. • Variance & Data Integrity: Collaborate cross-departmentally (e.g., with HR, IT, Operations) to ensure correct accruals and analyse variances to ensure the numbers are correct prior to handing over to the FP&A team. • Balance Sheet Control: Perform and maintain detailed balance sheet reconciliations to ensure outstanding items are investigated and resolved promptly. • Intercompany: Manage intercompany transactions and reconciliations across the regional entities. Audit, Compliance & Technical Support • Support the Financial controller in the preparation of year-end audit files, trial balances, and supporting schedules, acting as a key point of contact for external auditors. • Support the Financial Controller in reviewing year-end packages, statutory financial statements, and compliance filings. • Ensure all accounting treatments comply with relevant local standards and overall Group accounting policies. Process Optimisation & Systems • Identify opportunities to standardise accounting processes and templates • Support the Financial Controller in optimizing ERP usage (Microsoft Business Central) and workflow tools to automate manual tasks. Qualifications, Knowledge & Experience Qualifications • Fully Qualified Accountant (CIMA, ACCA, ACA or equivalent). Knowledge & Experience • Proven experience in a technical Management Accountant or General Ledger role within a multi-entity, multi-currency environment. • Strong background in balance sheet control, reconciliations, and complex month-end close processes. • Hands-on experience preparing management accounts with commentary, alongside experience reviewing the trial balances and reconciliations of other entities/colleagues. • Experience working across European and/or APAC entities is highly advantageous. • High proficiency with modern ERP systems, preferably Microsoft Dynamics 365 Business Central. • Advanced Excel skills Skills & Attributes • Team player with a strong work ethi