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Fractional CFO Services

Part-time CFO support for growing businesses including strategic planning, fundraising, board reporting, and financial leadership without full-time cost.

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Written by Asrah Abbas, ACA / ACCA — Principal at Westfin Accountants Ltd
Chartered accountant with 12+ years of UK practice experience. Member of the Institute of Chartered Accountants in England and Wales (ICAEW) and the Association of Chartered Certified Accountants (ACCA).
Last updated:

In plain English

A Fractional CFO is a part-time, senior finance leader who owns financial strategy, fundraising support, and board reporting at a fraction of a full-time CFO cost. Westfin embeds 2–8 days/month: managing the finance function, building the operating model, running monthly board packs, and preparing investor data rooms when you raise.

Key thresholds & rates (2026/27)

Specific numbers matter when planning. These are the figures we work with day-to-day, sourced from current HMRC and Companies House guidance.

  • Typical Westfin CFO engagement: 2–8 days/month, £2k–£8k/month
  • Full-time CFO cost benchmark (UK 2026): £140k–£220k base + 20–40% bonus + equity
  • SEIS limit: £250k per company (raised April 2023); EIS lifetime limit: £12m (or £20m KIC)

Statutory references

We work to the published HMRC, Companies House and FRC guidance. The primary sources we cite when advising clients:

Worked example

Worked example — Series A scaleup post-£3m raise

A London health-tech raises £3m Series A. Westfin (3 days/month) builds the post-money 36-month plan, hires a Senior Finance Manager into the team, sets up monthly board reporting (rule-of-40, ARR / NRR cohorts, net burn vs runway), and runs quarterly investor updates. Monthly fee: £4,500 vs ~£18,000 for an equivalent full-time CFO.

What's Included

Strategic financial planning and analysis

Fundraising support (equity, debt)

Investor and board reporting

Financial modeling and forecasting

Cash management and working capital optimization

M&A advisory and due diligence

Why Choose Our Fractional CFO Services

CFO expertise at fraction of full-time cost

Flexible engagement (days per month)

Strategic financial leadership

Investor confidence and credibility

Improved financial decision-making

Scalable as you grow

Frequently Asked Questions

What is a Fractional CFO?

A Fractional CFO provides part-time, senior financial leadership to businesses that need CFO expertise but cannot justify or afford a full-time hire. You get experienced financial strategy and leadership on a flexible basis.

How many days per month do I need a Fractional CFO?

Most clients engage us for 2-5 days per month, depending on business complexity and stage. We can scale up during key periods (fundraising, year-end) and reduce during quieter times.

Can you help with fundraising?

Yes, we support businesses through equity and debt fundraising, including financial model preparation, investor pack creation, due diligence coordination, and term sheet negotiation. We have helped clients raise £500k to £10m+.

Ready to Get Started?

Speak to our specialists about Fractional CFO Services