Interim Finance Business Partner

Job Description: Interim Finance Business Partner Location: Winnersh (Hybrid)Type: 6-Month Fixed-Term Contract Salary: £75,000-£90,000

Overview A high-growth SaaS organisation is seeking a commercially minded, data-driven Finance Business Partner to play a pivotal role during a period of transformation. This role blends hands-on management reporting with strategic business partnering, requiring strong technical accounting knowledge alongside advanced analytical capability. The ideal candidate will be highly proficient in Excel, data manipulation, and AI-driven insight, with the ability to translate complex datasets into meaningful recommendations. You will lead the month-end process, create board-level reporting, and collaborate across the organisation to support decision making and drive value.

Key Responsibilities

• Prepare, analyse, and deliver executive-level board packs, turning data into clear business insights

• Manage, interpret, and validate large and complex datasets, identifying trends and opportunities

• Partner with functional leaders to support forecasting, planning, and strategic decision making

• Build and refine financial models and scenario analysis, focusing on SaaS metrics (MRR, ARR, retention)

• Champion the use of automation and AI-enhanced reporting tools

• Support the organisation as it navigates potential private equity-related processes

• Operate as a self-starter, managing competing priorities and delivering under tight deadlines

• Drive continuous improvement across finance through best-practice recommendations

Requirements

• Fully qualified accountant (ACA/ACCA/CIMA or equivalent)

• Strong management accounting and month-end experience, ideally within a SaaS or technology-led environment

• Advanced Excel capability and experience with BI tools such as Power BI

• Demonstrable experience with AI-driven analytics and large-scale finance data platforms

• Proven ability to produce board-ready materials and present insights to senior stakeholders

• Proactive, self-sufficient, and comfortable working in a fast-paced, evolving environment

• Excellent attention to detail, communication, and business partnering skills

• Experience with, or understanding of, private-equity exit processes is advantageous

• Strong systems experience, including involvement in system improvements or implementations

Why Join Us?

• Act as a key business partner at a transformative stage

• Work with modern AI and analytics tools in finance

• Hybrid working and significant autonomy

• Make a meaningful impact in a high-growth tech environment

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