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Financial Controller

Flagstone · London Office · posted 2026-11-02
<p style="min-height:1.5em"><strong>What is Flagstone?</strong></p><p style="min-height:1.5em">Flagstone is many things. An online savings platform, reinventing how individuals, businesses, and charities manage, protect, and grow their cash. A diverse group of people, bound by a collaborative spirit, and shared purpose. And lastly, a thriving, profitable business – where smart people do their best work.</p><p style="min-height:1.5em">Each definition shares a common thread: our unique culture. It’s our pride and joy. And our competitive advantage.</p><div style="min-height:1.2em;margin-top:0px;margin-bottom:0px"> </div><p style="min-height:1.5em"><strong>A feel for our culture:</strong></p><p style="min-height:1.5em">To revolutionise the savings market, we need to be at our best. But high performance takes more than talent – it takes a culture of kindness, respect, and growth.</p><p style="min-height:1.5em">That’s why we’re building a diverse, inclusive community, where your voice is heard and valued. Where, with close support and room to develop, you can surpass even your own expectations. And be rewarded for it.</p><p style="min-height:1.5em">We may not change the world, but we <em>can </em>change the world of financial technology. And all it takes is a winning mix of drive, talent, and empathy. Our culture celebrates all three.<br /><br />But enough about us. Let’s talk about you.</p><div style="min-height:1.2em;margin-top:0px;margin-bottom:0px"> </div><p style="min-height:1.5em"><strong>Does this sound like you?</strong></p><p style="min-height:1.5em">You’re a qualified accountant who enjoys being close to the numbers and close to the business. You’ve run month-end, the balance sheet, and financial controls end to end, and you know what good controls look like in both complex and fast-growing environments. You stay calm under pressure, explain finance simply to people outside it, and you’re always looking for smarter, more automated ways of working.</p><div style="min-height:1.2em;margin-top:0px;margin-bottom:0px"> </div><p style="min-height:1.5em"><strong>What you'll do</strong></p><p style="min-height:1.5em">You’ll run Flagstone’s day-to-day core finance operations, making sure our numbers are accurate, controlled, and on time. Reporting to the Finance Director, you’ll own the month-end close, the balance sheet, and day-to-day financial control, while our FP&amp;A team owns planning and forecasting. As the Finance Director’s right hand, you’ll run the detail so they can focus on supporting the CFO, the Board, and commercial decisions. It’s a hands-on role that will grow in scope and complexity as Flagstone scales.</p><p style="min-height:1.5em">This will include:</p><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Running the month-end close end to end and delivering accurate, timely management accounts</p></li><li><p style="min-height:1.5em">Keeping a clean, fully supported balance sheet, with reconciliations, accruals, prepayments, and journals in order</p></li><li><p style="min-height:1.5em">Making sure direct-to-consumer and business revenue is recorded accurately, with commercial terms in contracts correctly reflected in revenue and cash</p></li><li><p style="min-height:1.5em">Managing daily cash and liquidity monitoring, so the Finance Director always has a clear view of our position</p></li><li><p style="min-height:1.5em">Owning finan

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