Interim Finance Manager

Reed Finance is delighted to be partnering with a growing and well-established organisation to recruit an experienced Interim Finance Manager to support a critical finance transformation on a temporary basis.

This is a high-impact role, effectively operating at Interim Financial Controller / Head of Finance level, where you will play a key role in stabilising the finance function, improving systems and processes, and ensuring accurate and timely financial reporting. You will work closely with the CFO and wider Finance team to drive improvements within Microsoft Dynamics Business Central and support a broader 90-day turnaround plan.

This is a fast-paced, hands-on position suited to a technically strong and commercially aware finance professional who is comfortable working in environments requiring structure, clarity, and rapid improvement.

Duties Include:

• Partner with the current Financial Controller to identify and resolve ERP issues within Microsoft Dynamics Business Central.
• Map processes, diagnose system and reporting weaknesses, and implement practical solutions.
• Train and support finance and operational staff to ensure consistent and accurate use of Business Central.
• Take ownership of reconciling the Balance Sheet and improving financial control.
• Lead the production of monthly Management Accounts, ensuring completion by working day 7.
• Support the development of robust financial reporting, systems, and infrastructure.
• Assist in stabilising and developing the finance team during a period of change.
• Support the Fractional CFO with project work aligned to a 90-day turnaround plan.
• Contribute to the preparation of integrated three-way forecasts (P&L, Balance Sheet, and Cash Flow).
• Produce and review cash flow reporting, providing insight and challenge where needed.
• Ensure continuity and operational effectiveness within the finance function.
• Support handover to a permanent Financial Controller or Head of Finance where applicable.

Requirements:

• Fully qualified accountant (ACA, ACCA, or CIMA) with ideally 5+ years PQE or more.
• Proven experience operating at Financial Controller or Head of Finance level in an interim or contract capacity.
• Strong working knowledge of Microsoft Dynamics Business Central (essential).
• Demonstrable experience improving ERP systems, processes, and financial reporting accuracy.
• Ability to produce Management Accounts from incomplete or developing financial data.
• Strong background in balance sheet control and reconciliation.
• Experience working in fast-paced, high-pressure environments requiring delivery and transformation.
• Confident communicator with the ability to train and influence stakeholders across the business.

The Business:

The organisation operates within the construction and manufacturing sector and is currently undergoing a period of transformation and process improvement. This role offers a unique opportunity to make a tangible impact in a business requiring strong financial leadership, systems expertise, and operational rigour.

Salary & Benefits:

• Day rate of c. £350 per day PAYE or c. £450 per day via umbrella.
• Site-based role in Milton Keynes (circa 40 hours per week)
• Immediate start required - candidates must be immediately available or on a short notice period (1-2 weeks maximum).

If the above sounds like your next opportunity, please send your up-to-date CV or contact Nathan at the Reed Milton Keynes office for more information.