Finance lead - fast track to fractional cfo

Posted 2 Days Ago
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London, Greater London, England, GBR
In-Office
500-600 Hourly
Senior level
Fintech • Software • Financial Services
The Role
Lead finance across a portfolio of fast-growth businesses, providing reporting, forecasting, commercial insight, financial modeling, fundraising and M&A support. Manage AP, AR, payroll, VAT, Xero standards, and finance teams of up to three managers. Partner directly with founders and boards, challenge strategic decisions, assess risk, and build toward fractional CFO responsibilities.
Summary Generated by Built In
About fin-house

We build human-first finance teams for ambitious, fast-growth businesses. Embedded fractional teams that feel like our clients' own - from day-to-day operations to board-level strategy.

We believe finance should be a growth engine, not a back-office function. And we believe great fractional CFOs are made, not born. We bring contractors into fin-leadership work, then back them to step up into fractional CFO seats with us when they're ready.

The role

You'll head up finance across a portfolio of fin-house clients. The trusted finance voice in the room - for founders, leadership teams and boards.

Forecasting, planning, commercial insight, modelling, team leadership. Challenging founders' thinking, assessing risk, shaping decisions. Connecting day-to-day performance with long-term strategy. The full fin-lead remit, on a contractor basis.

The route to fractional CFO

This is for experienced finance operators who want the portfolio exposure that turns a senior finance leader into a credible fractional CFO - without waiting years for the right in-house opportunity.

You'll lead finance across multiple ambitious businesses in parallel. You'll work directly with founders on fundraising, scaling and the hard calls. You'll build the breadth of context, the founder-room confidence and the commercial track record that fractional CFO work demands.

And when you're ready, we'll back you to step up into a fractional CFO seat with us - with the brand, the introductions and the support behind you.

What you'll lead

Reporting and commercial storytelling across P&L, balance sheet and cashflow; budgets, forecasts and sophisticated modelling for fundraising, M&A and strategic planning; AP, AR, payroll and VAT across your portfolio; Xero standards and best practice; line management and coaching of up to three fin-managers.


RequirementsWhat you'll bring
  • An established independent contractor mindset — used to managing your own time, your own admin, and operating outside IR35
  • Track record as the most senior finance person in fast-growth SME or scaleup environments
  • Real founder-facing experience — you've been the trusted voice in leadership rooms
  • Comfort holding multiple business contexts simultaneously and switching between them fluently
  • Drive to grow toward fractional CFO work, and the self-awareness to know what you still need to learn to get there
What you'll need
  • Minimum 7 years' experience in an accountancy or finance role
  • Accountancy qualification (ACA / ACCA / CIMA) is desirable; we'll consider strong alternative paths
  • Existing limited company set up, with appropriate insurance and IR35 governance
  • Strong Xero / Excel / Google Sheets/ AI tools

BenefitsWhat you'll get
  • £500–£600 per day, paid monthly against approved invoices
  • A clear development pathway toward fractional CFO with fin-house, with coaching and senior support along the way
  • Embedded into a tight-knit, ambitious team — included in offsites, socials and the wider fin-house community
  • Real portfolio variety — multiple businesses, multiple sectors, multiple growth stages

Skills Required

  • Established independent contractor mindset, including managing personal time and administration
  • Experience as the most senior finance professional in fast-growth SME or scaleup environments
  • Founder-facing experience as a trusted finance voice in leadership meetings
  • Ability to manage multiple business contexts simultaneously
  • Minimum 7 years of experience in accountancy or finance
  • Accountancy qualification such as ACA, ACCA, or CIMA
  • Existing limited company with appropriate insurance and IR35 governance
  • Strong Xero, Excel, Google Sheets, and AI tools experience
Am I A Good Fit?
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The Company
HQ: London
38 Employees

What We Do

At fin-house we provide flexible in-house finance teams that evolve as you grow. Think of us like a finance team as a service, you'll get the finance team you need, when you need it, seamlessly integrated into your business.

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