Senior FP&A Manager

About Threecolts

About Threecolts
Threecolts is a global software powerhouse for marketplace sellers and e-commerce brands. We help Amazon, Walmart, and multichannel operators scale through our suite of 24+ best-in-class SaaS tools — all available through our bundled solution, Seller 365. Our mission is to empower e-commerce operators to thrive in an increasingly complex marketplace ecosystem.

Location: UK/ EU (remote)

Budget: £80,000 / €80,000

About The Role

We’re hiring our first dedicated FP&A Manager to establish and scale our financial planning function during a transformative growth phase. This hands-on role requires both technical accounting expertise and strategic FP&A capabilities. You’ll build FP&A processes, manage complex financial structures, and provide crucial insights as we execute our enterprise-focused strategy. This position reports directly to the CFO and is instrumental in board communications, stakeholder management, and strategic decision-making.

Key Responsibilities

Financial Planning & Analysis

• Build and own end-to-end budgeting, forecasting, and scenario planning processes from the ground up.
• Create dynamic financial models incorporating platform dependency risks, customer concentration, and market volatility.
• Develop and track SaaS/marketplace KPIs: ARR growth, net revenue retention, CAC payback, unit economics, cohort analysis.
• Lead monthly variance analysis and quarterly board reporting, providing clear narratives around performance drivers.
• Bridge management reporting to GAAP financials, explaining key adjustments to stakeholders.

Strategic Finance & Stakeholder Management

• Model working capital impacts of customer segment transitions and evolving payment terms.
• Maintain debt service coverage models and covenant compliance tracking for complex debt structures.
• Support M&A integration and earnout calculations for recent acquisitions.
• Partner with Sales, Product, and Operations on pricing strategy, investment cases, and resource allocation.
• Prepare investor materials and support fundraising/refinancing initiatives.
• Support audit processes and strengthen internal controls framework.

Systems & Process Development

• Lead an implementation of a scalable FP&A solution.
• Lead budget and forecasting processes and a financial controls framework.
• Drive process improvements to reduce reporting cycle time and improve accuracy.

What You Bring

• 5+ years in FP&A, combined with corporate finance or consulting.
• Proven experience running forecasting and budgeting cycles in a scaling or fast-paced environment.
• Strong financial modeling skills in Excel/Google Sheets; comfortable building models from scratch.
• Analytical and detail-driven, with the ability to turn data into insights that influence stakeholders.
• Excellent communication skills — you can present numbers as a story and influence senior leaders.
• Commercial mindset with a balance of strategic thinking and hands-on execution.
• Knowledge of US GAAP (revenue recognition, deferred revenue, ARR) and familiarity with SaaS metrics.
• Experience operating and implementing an FP&A system.

Bonus Points For

• ACA/ACCA/CIMA qualified or equivalent.
• Experience in e-commerce marketplace businesses or other tech industry.
• Tools-savvy: BI/reporting platforms (Looker, Tableau, PowerBI), CRM, and finance systems.
• Exposure to M&A analysis, due diligence, or post-acquisition integration.
• Background in both large corporate and startup environments.

Why This Role Matters

This isn’t just a reporting role — you’ll be employee #1 in our FP&A function, with the opportunity to build something foundational during a pivotal moment in our company’s evolution. This isn’t just about reporting numbers — it’s about establishing the financial intelligence layer that enables smarter, faster decision-making across the organization.