Fractional CFO · the meaning
What is a fractional CFO?
The short answer · updated
A fractional CFO is a senior finance leader who does an ongoing part of a chief financial officer’s job, typically one to three days a week. They own the finance function, report to the CEO and board, and are accountable for the numbers, but for fewer days than a full-time CFO. Many work for several companies at once.
Fractional CFO meaning: what fractional means for a CFO
“Fractional” means a fraction of the week, not a fraction of the job. A fractional CFO holds the chief financial officer role in full: they sit in the leadership team, own the finance function and answer to the board for it. They simply do it for an agreed number of days rather than five.
The job itself is the same one ICAEW describes as the most senior role in finance: leading the team, overseeing budgeting, forecasting and planning, managing financial risk and reporting to the board. Our page on what a CFO does sets out the full role.
The arrangement is usually ongoing. A company keeps its fractional CFO while the work needs a senior finance leader part of the week, and reviews the days as the business changes. For the wider idea, see what fractional work is.
What a fractional CFO does and doesn’t do
Because the days are limited, a fractional CFO spends them where a CFO adds most. ICAEW notes that a CFO cannot do everything and has to focus. In practice that usually means:
- Planning and cash: the budget, the forecast and a clear view of cash and runway.
- Reporting: management accounts the board trusts, and the story behind the numbers.
- Funding and investors: fundraising, lender relationships, investor reporting and due diligence.
- Controls and the team: fixing processes and systems, and building or leading the finance team.
- Strategy: pricing, business cases and the financial side of major decisions.
What a fractional CFO usually leaves to others
A fractional CFO is not a bookkeeper. Day-to-day transactions, payroll processing and month-end reconciliations are normally done by the finance team, an in-house accountant or an outsourced provider. The CFO sets how that work is done and reviews it.
They are also not the company’s auditor or tax adviser, though they manage both relationships. Where a business has no finance team at all, the first job is often to put the basic processes in place so the CFO’s days go on decisions, not data entry.
Fractional vs interim vs part-time vs outsourced vs full-time CFO
The titles overlap. The differences are in the days, the length and the contract.
- Fractional CFO: holds the role part of the week on an ongoing basis, usually on a contract for services, often for more than one company.
- Interim CFO: holds the role full-time for a fixed period, such as covering a vacancy, a transaction or a turnaround. See interim CFO jobs.
- Part-time CFO: usually an employee on reduced hours for one company, with a payslip and employment rights. The seniority can match a fractional role; the employment status is different. See part-time CFO jobs.
- Outsourced CFO: CFO-level work bought as a service from a firm, often alongside bookkeeping and accounts, rather than one named person holding the role.
- Full-time CFO: a permanent employee holding the role five days a week. The right choice once the finance work fills the week.
When a company needs a fractional CFO
Most companies bring in a fractional CFO when the finance work has outgrown a founder, a bookkeeper or a financial controller, but does not yet fill a full-time CFO’s week. Common triggers are a fundraise, a lender or investor asking for better reporting, rapid growth, a cash squeeze, an acquisition or a sale.
It also suits a business that needs a senior view on a specific change, such as new systems or a new pricing model, and wants someone who will stay accountable for the result rather than hand over a report.
When the work grows to fill the week, many companies move to a full-time CFO, sometimes the same person. We recruit that permanent hire too.
How a fractional CFO is engaged and paid
Most fractional CFOs work under a contract for services, as a sole trader or through their own limited company. They invoice the client and pay their own tax and National Insurance, as GOV.UK’s guidance on self-employment describes. Some are employed part-time instead.
Pay is usually a day rate for the days worked, or a monthly retainer for an agreed number of days. Our fractional CFO cost page sets out what companies pay, and fractional CFO salary covers what they earn.
Where the CFO works through their own company, the off-payroll working rules (IR35) may apply. Status depends on how the engagement runs in practice, not on the title, and a medium or large client makes the determination. HMRC’s Check Employment Status for Tax tool gives its view on a specific engagement; our IR35 guide sets out the tests.
How to hire a fractional CFO
Start with what the finance function must deliver over the next year: a fundraise, reliable monthly reporting, a new system, a sale. That sets the days, the scope and the experience you need, whether sector, stage or transaction.
Then decide who the CFO reports to, what they own and how their days fall across the month. Write it down; it becomes the brief.
To hire a fractional CFO through us, send the brief. We send a shortlist of 3–5, each with day rate or pay, availability and IR35 position set out, after our five-stage vetting. We recruit fractional, interim, part-time, temporary and permanent executives, and non-executive directors.
Questions people ask
What is the meaning of fractional CFO?
A chief financial officer who holds the role for part of the week, on an ongoing basis. “Fractional” describes the days, not the seniority: they own the finance function and answer to the board for it.
What does a fractional CFO do?
The work of a CFO, focused on what matters most: planning, cash, board reporting, funding and investors, controls and the finance team. ICAEW’s summary of the CFO role is a good checklist.
How many days a week does a fractional CFO work?
It depends on the company and the work. One to three days a week is common, and some engagements are a few days a month. The days are agreed in the contract and change as the work does.
What is the difference between a fractional CFO and an interim CFO?
A fractional CFO works part of the week on an ongoing basis. An interim CFO works full-time for a fixed period, then leaves. See interim CFO jobs.
Is a fractional CFO the same as an outsourced CFO?
Not quite. A fractional CFO is a named person holding the role. An outsourced CFO is usually a service bought from a firm, often with bookkeeping and accounts, where the person doing the work can change.
Is a fractional CFO inside or outside IR35?
It depends on how each engagement runs in practice; the title decides nothing. Where the CFO works through their own company, a medium or large client makes the determination under the off-payroll working rules. See our IR35 guide.
How much does a fractional CFO cost?
It depends on the days and the experience. Pay is usually a day rate or a monthly retainer. Our fractional CFO cost page sets out what companies pay, and every shortlist we send states each candidate’s day rate or pay.
How do I hire a fractional CFO?
Define what finance must deliver, the days and who the CFO reports to, then send us the brief. Our fractional CFO hire page explains the process; the shortlist of 3–5 sets out day rate or pay, availability and IR35 position.
