Interim FP&A Manager

Goodman Masson; Greater London; On-site; GBP 92,000 - 111,000; Full time

Job summary

Goodman Masson is partnering with a high-growth, private equity-backed SaaS business to appoint an Interim FP&A Manager on a 6‑month contract. This hands‑on role will partner with senior leadership to strengthen planning, deliver actionable insights and support strategic decision‑making during a pivotal scale phase.

The successful candidate will drive budgeting, forecasting, SaaS KPI reporting, and board/investor packs while helping enhance FP&A processes and controls.

Qualifications

• Qualified accountant (ACA/ACCA/CIMA or equivalent).
• At least 5 years post‑qualified experience.
• Proven FP&A experience within a SaaS or recurring revenue business.
• Previous exposure to private equity‑backed environments strongly preferred.
• Strong understanding of SaaS metrics and commercial drivers.
• Advanced Excel and financial modelling capability.
• Confident communicator with the ability to influence senior stakeholders.
• Experience working in high‑growth or change‑oriented businesses.
• Ability to operate both strategically and hands‑on.

Responsibilities

• Leading the budgeting, forecasting and long‑range planning processes.
• Building and enhancing SaaS KPI reporting, including ARR, MRR, churn, CAC, LTV and revenue retention analysis.
• Delivering high‑quality board and investor reporting packs for PE stakeholders.
• Providing commercial analysis to support growth initiatives and strategic decision‑making.
• Partnering with department heads across Sales, Customer Success, Product and Operations.
• Supporting cash flow forecasting and scenario modelling.
• Improving FP&A processes, reporting automation and financial controls.
• Assisting with strategic projects, including pricing analysis, operational efficiency and potential M&A activity.

Skills

Advanced Excel

Financial modelling

Stakeholder influencing

Communication

Education

ACA/ACCA/CIMA or equivalent

Job description

We’re partnering with a high-growth, private equity-backed SaaS company seeking an experienced Interim FP&A Manager on a 6-month contract basis to join the business during an exciting phase of scale and transformation.

This is a hands‐on, commercially focused role with significant exposure to senior leadership and investors. The successful candidate will help strengthen financial planning processes, deliver actionable insight, and support strategic decision‑making across the business.

There is potential for the role to convert into a permanent opportunity for the right individual.

Role responsibilities:

• Leading the budgeting, forecasting and long‑range planning processes
• Building and enhancing SaaS KPI reporting, including ARR, MRR, churn, CAC, LTV and revenue retention analysis
• Delivering high‑quality board and investor reporting packs for PE stakeholders
• Providing commercial analysis to support growth initiatives and strategic decision‑making
• Partnering with department heads across Sales, Customer Success, Product and Operations
• Supporting cash flow forecasting and scenario modelling
• Improving FP&A processes, reporting automation and financial controls
• Assisting with strategic projects, including pricing analysis, operational efficiency and potential M&A activity

Key requirements:

• Qualified accountant (ACA/ACCA/CIMA or equivalent)
• At least 5 years post‑qualified experience
• Proven FP&A experience within a SaaS or recurring revenue business
• Previous exposure to private equity‑backed environments strongly preferred
• Strong understanding of SaaS metrics and commercial drivers
• Advanced Excel and financial modelling capability
• Confident communicator with the ability to influence senior stakeholders
• Experience working in high‑growth or change‑oriented businesses
• Ability to operate both strategically and hands‑on

The Opportunity

• High visibility role with exposure to executive leadership and investors
• £500-£600 per day depending on experience inside IR35
• 6 month role with potential for the role to become permanent
• 3 days in the office based in Central London