Interim Financial Controller

Citadel Source is delighted to partner with a growing, investor backed organisation to support the recruitment of their new Interim Financial Controller on an initial 6-month FTC. Reporting to senior leadership, this role offers broad exposure across the business and will suit a hands‑on finance leader capable of driving both day‑to‑day performance and wider finance transformation projects.

This is a broad, operationally focused finance leadership role within a growing and fast-evolving organisation. A key focus will be enhancing the quality and efficiency of month‑end reporting, budgeting and forecasting processes, whilst embedding stronger controls and greater financial discipline across the organisation.

The position will also play a critical role in the integration and consolidation of acquired entities, working alongside external advisors and senior stakeholders to simplify structures and support ongoing business growth. Alongside day‑to‑day financial leadership, the successful candidate will help drive a programme of finance transformation, identifying opportunities to automate processes, improve reporting capability and optimise systems to better support a fast‑paced, operationally driven environment.

We're seeking a fully qualified accountant (ACA, ACCA, or CIMA) with experience operating as a Financial Controller, Head of Finance or Senior Finance Manager within a growing SME or mid‑market environment. You will bring strong technical accounting knowledge alongside the commercial acumen required to influence senior stakeholders and support strategic decision‑making.

• Taking ownership of financial reporting, controls and performance management for a significant business division.
• Leading month‑end, forecasting and budgeting processes whilst improving reporting quality, controls and finance function effectiveness.
• Providing commercial insight across revenue, margin, cash flow and working capital to support operational and strategic decision‑making.
• Supporting the integration and consolidation of acquired entities, working with external advisors and key stakeholders to strengthen governance and simplify structures.
• Driving finance transformation initiatives, including process automation, systems enhancement and reporting improvements.
• Acting as a trusted business partner to senior leadership, delivering robust analysis, challenge and recommendations.
• Leading, mentoring and supporting members of the finance team whilst contributing to wider business change and growth initiatives.

• £350-450 per day (umbrella) or £75,000-£85,000 salary equivalent + completion bonus
• Hybrid working arrangements (3 days in office)
• Exposure to finance transformation and modernisation
• Opportunity to influence business performance and strategic decision‑making
• Supportive, collaborative leadership team and culture