Infinity
FP&A Manager
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Location: Surrey (Hybrid -- 2 days in office)
Contract: Permanent, full-time
Department: Finance
Reports to: Head of Finance
Direct reports: None
Salary: £65,000 – £70,000 + benefits
Working Pattern: 2 days per week onsite | 4.5 day working week (Half day Fridays)
About Us
Infinity is a market-leading advanced analytics and call-tracking service working with some of the world’s most well-known brands. As a company, we’re ever evolving, using cutting-edge tech and a drive for success to see us through. Our growth is exponential, with annual revenue of (£)18m+. Our mission is clear, to become the best call-tracking provider in the world. There’s never been a better time to join Infinity.
The Role
The FP&A Manager is the financial insight engine of the Finance function -- turning financial and operational data into clear, forward-looking insight that drives better decision-making across the business.
This is not a reporting-only role. You will interpret performance, challenge assumptions, and translate ARR, MRR, KPIs and forecasts into actionable insight that influences revenue growth, profitability and strategic direction.
You will take a hands-on approach to analysis and modelling, building and owning outputs end-to-end.
Working across Finance, RevOps and commercial teams, you will bring revenue, cost and cash together into a single, coherent and trusted view of business performance. You will work closely with business leaders, RevOps, the Management Accountant, Credit & Ops Manager and Head of Finance to identify risks early, unlock opportunities, and enable better, faster decisions.
Revenue & ARR / MRR Insight
- Own the integrity of ARR/MRR, ensuring accuracy and alignment across systems alongside RevOps.
- Deliver clear monthly reporting with actionable insight on movements, risks and opportunities.
- Carry out detailed analysis of revenue movements, drivers and variances to inform decisions.
- Partner with RevOps, Sales and CX to improve billing accuracy and revenue visibility.
- Track leading indicators (churn, expansion, pipeline trends) and proactively flag risks and opportunities.
- Ensure new business goes live and ramps as expected, removing blockers early.
- Prepare and present insight-led outputs for leadership discussions.
Performance & KPI Visibility
- Own and evolve business KPIs (NRR, LTV, CAC, ARPU, growth, gross profit), ensuring they are clearly defined, consistent and aligned across the business.
- Deliver weekly and monthly KPI reporting, with clear trend analysis and forward-looking commentary.
- Perform hands-on analysis of KPI performance and drivers, translating movements into clear actions.
- Ensure KPIs are visible, understood and actively used across the business.
- Provide insight to support commercial decisions and margin improvement.
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Forecasting, Budgeting & Planning
- Own billing and revenue forecasts (monthly and rolling), integrating inputs from RevOps, Sales and CX.
- Analyse performance vs forecast and budget, driving actions with stakeholders to close gaps.
- Support delivery of the 3-year plan, annual budget and reforecasts with the Head of Finance.
- Build and own forecasting and scenario models, taking a hands-on role in model development.
- Deliver scenario and sensitivity analysis to support decision-making.
- Provide monthly run-rate and variance analysis alongside the Management Accountant.
Cash Flow & Treasury
- Own weekly and monthly cash flow reporting, ensuring accuracy and clear commentary on position and outlook.
- Prepare scenario-based cash flow forecasts incorporating historical trends, projected inflows/outflows and business initiatives.
- Optimise cash balances and short-term deposits, providing forward-looking recommendations on liquidity.
Process Improvement & Insight
- Continuously improve forecasting, reporting and planning processes.
- Enhance dashboards and data visibility across Finance
- Identify and implement automation opportunities to reduce manual processes and improve efficiency and scalability across reporting and forecasting.
- Champion insight-led finance -- ensuring outputs drive action, not just reporting.
Ad Hoc & Business Support
- Provide limited cover for key Finance and RevOps activities during periods of absence, ensuring continuity of reporting and forecasting.
- Support business cases, strategic initiatives and cross-functional projects.
- Contribute to a collaborative, high-performing finance function.
About you
Essential
- Proven experience in an FP&A or commercial finance role, ideally within a SaaS or subscription-based business.
- Comfortable being both the analyst and the owner -- you build the model and present it, you pull the data and own the narrative.
- Strong hands-on experience with ARR/MRR and revenue performance analysis.
- Experience building or improving forecasting models, revenue models or reporting processes.
- Advanced Excel skills; experience with BI tools (Power BI, Tableau, Sisense or similar).
- Strong commercial mindset -- able to translate data into decisions and actions.
- Clear communicator, able to influence non-finance stakeholders.
- Comfortable working with imperfect data and improving it over time.
- Automation mindset -- keen to reduce manual work and improve efficiency.
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Desirable
- Experience working with data tools to manipulate data and automate reporting.
- Familiarity with CRM/ERP systems (e.g. Salesforce, Sage).
- Qualified or part-qualified accountant (ACA, ACCA or CIMA), or Qualified by Experience (QBE) with a strong commercial finance background.
- Experience in a scale-up or high-growth environment.
Why Join Us
This is a high-impact role where you will play a key part in how performance is understood and improved across the business.
You won’t just report on numbers -- you’ll build, challenge and shape them. Your insight, forecasts and analysis will directly influence revenue growth, decision-making and business performance, working closely with Finance, RevOps and commercial teams.
Benefits you can enjoy
- 4.5 day working week (Half day every Friday- 1pm finish)
- 25 days holiday (with the option to buy up to an additional 5 days per year)
- Private single medical insurance
- Employee Assistance Programme
- Life Assurance (4x Salary)
- Enhanced Maternity and Paternity Pay
- Tech Scheme Loan (of up to £2,000 per year)
- Ride to Work Scheme
- Season Ticket Loan
- Dedicated annual company and team social budget
At Infinity, our aim is to be the best call tracking provider in the world and to do that we welcome our employees with open arms and create an environment where you can bring your best self, every day! We're an equal opportunities employer. That means we'll never discriminate based on race, religion, origin, gender expression, sexual orientation, age, marital status, social economics status or disability status. In fact, our recruitment process is completely anonymised, and we don't see any of your personal details when we review your application.
At Infinity, we don't treat our hiring process as a box ticking exercise and we're just as interested in team fit as we are technical fit. So, even if you don't meet all the requirements listed in one of our vacancies, get in touch with us anyway because we'd love to hear from you.
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