Management Accountant — Own Month-End & Insight at a Scaling Fintech (Quantum, London)

The Company

Quantum is a fast-growing analytics and technology business helping ambitious brands grow faster, smarter, and globally — with in-house tech, full-stack analytics, and a compliance-first mindset across regulated and high-growth sectors.

The Role

Their Finance team is growing, and they're looking for a Management Accountant to join in London, reporting to the Financial Controller. The business is entering a more complex chapter — a recent acquisition, growth across three legal entities, and a stretched team. This role brings the management accounting and analytical capacity to meet it.

What You'll Do

• Prepare management accounts and month-end reporting across all Quantum entities
• Own balance sheet reconciliations and assigned recurring reporting end to end
• Investigate variances, find root causes, and resolve discrepancies — producing analysis the business can act on
• Build and improve reporting, reconciliation, and control processes, including automation that reduces manual effort
• Turn month-end numbers into insight the business actually uses
• Within a year: run core month-end independently and be the person the business trusts for a straight answer on the numbers

Who You Are

• Solid management accounting experience (CIMA/ACCA/ACA part-qualified or qualified a plus)
• Strong technical accounting and Excel skills
• Analytical curiosity — you dig into variances and find the story
• A process-improvement mindset with an eye for automation
• Clear communicator who partners across the business

Why Join

Real ownership from day one, a business in an exciting growth phase, and a clear path to running month-end independently — plus hybrid working in London.

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