Junior Financial Controller , London, United Kingdom

We are looking for a hands-on, data-driven Junior Financial Controller who is ready to take the next step in their career and help build a scalable, modern finance function for a global SaaS company. General Index (GX) delivers future-proof commodity prices. Our spot prices and forward curves are calculated algorithmically based on thousands of daily trades collated from 240+ data partners, using transparent and consistent methodologies and a compliant approach.

Producing 5,700+ daily prices in crude oil, refined products, natural gas and energy transition, we democratise access to benchmarks that represent real market activity. We are easy to use, with hassle-free integrations and straightforward licensing - providing more choice to the industry. Trusted by market leaders including Bloomberg, BP, ExxonMobil, TotalEnergies, Two Sigma, BASF, Rio Tinto, Wood Mackenzie, and ADNOC, we are providing the next generation of benchmark data for trading and analysis.

About the role: This is an ideal step-up opportunity for someone currently working in a tech-driven business as a Senior Management Accountant, Finance Manager, or Assistant Financial Controller, who wants to step up into their first true financial controller position - with real ownership, autonomy, and room to grow. You will work closely with the COO/VP Finance and play a key role in strengthening our reporting, improving processes, coordinating with international accountants, and using automation and AI to future-proof how finance operates at General Index.

• Prepare timely, accurate monthly management accounts with clear variance analysis.
• Support consolidation across a small group of international entities.
• Lead the year-end process and act as the lead finance contact for external accountants.
• Maintain compliance with UK GAAP and statutory requirements across our jurisdictions.

Accounting Operations:

• Own accounting operations: GL, AP/AR, payroll journals, expense processes, balance sheet reconciliations, and SaaS revenue deferrals.
• Run and continually improve the month-end close process.
• Serve as the main liaison to local accountants (US, Europe, APAC) for bookkeeping and statutory filings.
• Collaborate closely with our Finance Assistant and provide mentorship.

Insight, Analysis & FP&A Support:

• Support budgeting, forecasting, and scenario modelling with the COO/VP Finance.
• Deliver insight-rich variance reporting to department leads.
• Help build dashboards and improve how finance uses data across the business.

Cash, Tax & Treasury:

• Prepare monthly cash flow reports and insights.
• Manage multi-currency banking operations and payments.
• Coordinate VAT/GST, corporation tax, payroll taxes, and other filings with external advisors.

Systems, Automation & Process Improvement:

• Own and improve finance systems (Xero today; ERP transition in future).
• Adopt AI and automation tools (ScaleXP today) to streamline reconciliations, reporting, and workflows.
• Enhance processes across billing, revenue recognition, purchasing, and financial controls.
• Identify opportunities to make finance more efficient, scalable, and data-driven.

You offer:

• Fully qualified accountant (ACA, ACCA, or CIMA).
• 4–6+ years of progressive accounting/finance experience, ideally in tech, SaaS, or fintech.
• Strong understanding of month-end processes and financial operations.
• Exposure to multi-entity or multi-currency accounting.
• Highly numerate and data-driven, with strong Excel and analytical skills.
• Willingness to embrace AI tools to modernise and future-proof the finance function.
• Clear communication skills and confidence working with internal and external stakeholders.
• A proactive approach to improvement.

We offer:

• High-impact role at the heart of a global scaling company.
• A true step-up opportunity with autonomy and mentorship.
• Tech-first culture embracing automation, AI, and operational excellence.
• Real progression opportunities as the business grows.
• Supportive environment with room to shape your development.
• Private healthcare with Bupa.
• Share options for all employees.

Don’t meet all the requirements? At GX we believe that professional development happens through teaching and learning from your peers and managers. Even if you’re uncertain about whether you have the experience we’re looking for, please apply if this position sparks your curiosity and you have a real interest or passion in what we are doing.