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Director of Finance & Operations | Pre-Series B Mission-Led B2B SaaS | London, Hybrid. Reporting directly to one of the Co-founders and sitting on the Senior Leadership Team, this is a hands-on strategic operator role with full ownership of the finance and operations function across UK and US entities. A strong Finance Manager is already in place handling day-to-day controller work: monthly close, bookkeeping, payables and receivables, and financial modelling. The Director's time is therefore weighted toward strategic FP&A, business partnering with the founders, and leading the Series B raise end-to-end. Beyond finance, this person operates as a commercial thought partner across the business: challenging GTM leaders on headcount assumptions and pipeline coverage, co-designing sales comp and unit economics with RevOps, co-owning the annual planning cycle, and leading cross-functional strategic projects for the founders. AI automation is not optional. The business expects this person to have genuinely built and deployed AI-driven workflows in prior roles, and to set the standard for AI-native working across the finance and operations team.
Job Responsibility:
Lead the Series B fundraise financial workstream: operating model, data room, KPI narrative, investor diligence and investor relations post-close
Own strategic FP&A: annual budget, rolling reforecast and a granular, bottoms-up operating model the board and founders can use to make real decisions
Partner with RevOps and commercial leadership to design and stress-test sales targets, quota structures, comp plans, pipeline coverage models and unit economics
Oversee the finance function end-to-end across UK and US entities: statutory accounts, audit, treasury, cash forecasting, FX exposure and multi-jurisdiction tax
Challenge the executive team on headcount, capital allocation and GTM strategy with commercial rigour and the willingness to push back when the numbers do not support the story
Build and deploy AI-native automation across close, FP&A, AR and operational workflows, raising the output quality of the finance function without increasing headcount
Lead, coach and develop the existing finance and operations team, raising both capability and AI fluency
Contribute to cross-functional strategic projects for the founders, including AI pricing strategy, new market entry analysis and operational reviews
Requirements:
Proven track record in a senior finance operator role at a high-growth B2B SaaS business, with direct experience of a Series A or B inflection point
Deep commercial fluency in B2B SaaS metrics: ARR, NRR, pipeline coverage, sales capacity, CAC/LTV and unit economics
Demonstrated ability to challenge and partner with GTM and commercial leadership, not just report to them
A concrete track record of having built and deployed AI-driven automation in a finance or operations context (not just tool experimentation)
Experience leading or materially supporting a VC fundraise, including financial modelling, data room preparation and investor diligence
A finance or numerically rigorous background: formal qualification (ACA, ACCA, CIMA, CPA, CFA) or a strong quantitative degree
non-traditional and non-qualified routes actively welcomed
Nice to have:
Background as a VC-turned-operator, or equivalent experience spanning both investment and operating environments
Experience selling into or operating within a sector with complex, high-value enterprise procurement cycles
Exposure to US entity management, US GAAP and multi-jurisdiction tax