Interim Finance Business Partner

Finance Business Partner | 3–6 months | £400–450/day inside IR35 | Hertfordshire | Hybrid working

Role Purpose

We are seeking a commercially focused and strategically minded Finance Business Partner to support a key client. This role will drive ownership of budgeting, forecasting, and performance management across a centralised cost base, while delivering high-quality financial insight to influence decision-making at a senior level. You will play a pivotal role in transforming financial reporting, bringing greater clarity, forward-looking analysis, and actionable insight to stakeholders.

Key Responsibilities

• Lead month-end, budgeting, and reforecasting cycles, ensuring timely, accurate, and insight-driven financial outputs
• Act as a strategic partner to stakeholders, translating financial data into clear recommendations that drive commercial outcomes
• Maintain strong financial governance, including robust assumptions, balance sheet oversight, and proactive management of risks and opportunities
• Deliver high-impact performance reporting, combining detailed analysis with clear, concise, and commercially focused commentary
• Own and present investment cases at governance forums, ensuring rigorous challenge, validation, and alignment to strategic priorities
• Partner closely with FP&A and global cost centre leads to align financial plans and improve visibility of spend drivers
• Provide advanced financial modelling and scenario analysis to support strategic initiatives and business decisions
• Identify and implement process improvements to streamline, standardise, and accelerate reporting and planning cycles
• Enhance reporting frameworks to better track performance against budget/forecast, future spend outlook, and key business risks
• Act as a trusted advisor, providing financial insight and challenge on key projects, investments, and ongoing business activity