Senior FP&A Manager

Threecolts; City Of London; Remote; GBP 80,000; Full time

Job summary

A global software powerhouse in London is seeking a Senior FP&A Manager to establish and scale their financial planning function. This role involves building FP&A processes and managing complex financial structures, requiring technical accounting expertise and strategic capabilities. The ideal candidate has over 5 years of FP&A experience and strong financial modeling skills. This position reports to the CFO and offers a competitive budget for remote work.

Qualifications

• 5+ years in FP&A, combined with corporate finance or consulting.
• Proven experience running forecasting and budgeting cycles in a scaling environment.
• Experience operating and implementing an FP&A system.

Responsibilities

• Build and own end-to-end budgeting, forecasting, and scenario planning.
• Create dynamic financial models incorporating various risks.
• Lead monthly variance analysis and quarterly board reporting.

Skills

Financial modeling skills in Excel / Google Sheets

Analytical and detail-driven

Excellent communication skills

Commercial mindset

Education

ACA / ACCA / CIMA qualified or equivalent

Tools

BI / reporting platforms (Looker, Tableau, PowerBI)

Job description

Senior FP&A Manager

Location: UK / EU (remote)

Budget: £80,000 / € 80,000

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.

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.