Senior Finance Officer

Interim Senior Finance Officer London Hybrid: 2-3 days in office (Wednesday required) £40,000-£43,000 Immediate start We are currently recruiting for an experienced Senior Finance Officer to join a well-established organisation during a period of transition within its finance team. This is a hands-on role offering broad exposure across financial operations, systems, and reporting. Key responsibilities include: • Supporting month-end close and preparation of management accounts • Assisting with VAT returns and maintaining accurate financial records • Managing and reconciling intercompany transactions and balance sheet accounts • Supporting budget maintenance, code creation, and updates within finance systems • Providing payroll cover (c.200 employees across permanent and temporary staff) • Processing overhead allocations and supporting regular reporting requirements • Ensuring timely submission of reporting packs and reconciliations • Liaising with stakeholders across finance, HR, and other departments • Identifying and implementing process improvements Systems & Process Responsibilities • Overseeing and supporting the use of finance and expense systems (e.g. Proactis or similar) • Maintaining system workflows, user access, coding structures, and documentation • Providing guidance and support to internal users • Assisting with updates to finance policies, procedures, and intranet resources Skills & Experience: • Experience in a Senior Finance Officer / Finance Officer role • Strong knowledge of month-end processes, VAT, and double-entry bookkeeping • Experience with intercompany accounting and reconciliations • Exposure to budgeting and financial reporting • Confident stakeholder management skills • Experience with finance systems (SUN desirable) and expense platforms • Strong Excel skills and high attention to detail • Ability to prioritise workload and meet deadlines We are looking for a proactive and detail-oriented finance professional who can quickly integrate into a collaborative team environment. We are happy to provide application and/or accessibility support, please contact your Marks Sattin or Grafton consultant directly to discuss your needs. We're committed to protecting the privacy of all our candidates and clients, please visit and for our privacy policy.