Job Description

Job Title: Financial Manager (Part-Time)
Location: Hybrid (London HQ + remote flexibility)
Reporting to: Co-Founders
Type: Part-time (1-2 days/week, flexible schedule)
Why join our client?
Our client is a fast-scaling, founder-led fintech. Their platform is already trusted by multiple global banks and backed by leaders across banking, law, and technology.
With a high-performance culture and precision mindset, they deliver enterprise-grade solutions in a sector still run on legacy infrastructure. This is a unique opportunity to join a mission-driven company with a clear product-market fit, elite client base, and runway for growth.
We believe in high standards and high trust. You'll work alongside ambitious, thoughtful people in a flexible environment where impact is what counts.
How you'll make an impact
They are hiring a part-time Financial Manager to own and elevate the finance function. This is a hands-on, detail-oriented role ideal for someone who thrives in fast-paced, high-integrity environments.
You'll lead the day-to-day financial operations, ensure clean, compliant records, and provide clear reporting to founders and the board. You'll also bring a strong control mindset - proactively managing risk, spotting issues early, and delivering insights that support strategic decisions.
If you're a sharp, experienced finance lead who wants to make a real difference - without the grind of full-time hours - this role offers challenge, autonomy, and influence.
Key Responsibilities
Core Finance & Control

• Oversee all transactional accounting: invoicing, AP/AR, payroll, expenses, reimbursements, and credit control
• Manage monthly bookkeeping and reconciliations (bank, cards, Xero)
• Prepare and maintain the general ledger and journal entries (accruals, prepayments, depreciation)
• Handle cash flow tracking, burn rate, and liquidity management
• Own financial workflows and controls across billing, approvals, and payments

Reporting & Insights

• Lead month-end and year-end close, coordinating with our accountants
• Deliver internal reports on budget vs. actuals, performance by product or function, and key KPIs (CAC, CLTV, margins, runway, ROA/ROE)
• Prepare board and investor materials on financial performance
• Provide ongoing cash forecasting and scenario planning

Tax & Compliance

• Oversee VAT, PAYE, HMRC filings, and ensure MTD compliance
• Support international tax considerations (e.g. FX, transfer pricing if applicable)
• Ensure all compliance requirements are met, accurately and on time
• Liaise with HMRC and external accountants as needed

Payroll & Employee Expenses

• Check the payroll processing (incl. pensions, HMRC returns, and payslips)
• Manage expense reimbursement flows, mobile receipt capture, and approval layers
• Maintain employee finance records (leave, deductions, benefits, etc.)

What We're Looking For
Must-Have Experience

• 5-10+ years in financial management, ideally in high-growth or regulated environments
• Use of Xero would be beneficial, including payroll, reporting, reconciliations, and bank feeds
• Strong understanding of