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VIRTUAL CFO

Outsourced, fractional or part-time CFO: what's the difference?

Three names, one idea — senior finance leadership without a full-time hire. Here's what each term really means, what it costs, and how to choose.

If you’ve started researching senior finance help, you’ve probably hit three terms that seem to mean different things: outsourced CFO, fractional CFO and part-time CFO. The honest answer is that they describe the same idea — experienced CFO-level leadership engaged by the month rather than employed full-time. But the nuances are worth understanding before you choose.

The one thing they have in common

All three give a growing business access to a senior finance leader without the cost and commitment of a full-time hire. In Sydney, a full-time CFO costs well above $250,000 a year once superannuation, bonuses and on-costs are included. A virtual arrangement delivers the same strategic capability — forecasting, board reporting, financial modelling, capital and funding advice — for a fraction of that, scaled to the days your business actually needs.

Outsourced CFO

“Outsourced” emphasises that the function sits outside your payroll. You engage a firm or practitioner who takes responsibility for the CFO-level work — the monthly board pack, the rolling cash flow forecast, the budget and the strategic input — and delivers it on an ongoing retainer. The advantage is depth: you’re buying into a team and its systems, not betting on one individual.

Fractional CFO

“Fractional” emphasises the time commitment — a fraction of a full-time role. A fractional CFO might give your business two days a month or two days a week depending on its size and stage. The term is common in the startup and scale-up world, where founders want genuine CFO strategy through a funding round or rapid growth without a permanent salary line.

Part-time CFO

“Part-time” is the plain-English version of the same arrangement. It tends to be used by established SMEs who simply want a senior finance person in the business regularly, but not five days a week. The work is identical; only the label is more familiar.

So which do you need?

Don’t get stuck on the label — get clear on the outcome. Ask three questions:

  • What decisions am I making without good numbers? Pricing, hiring, borrowing, an acquisition, an exit — these are CFO decisions.
  • Who will actually do the work? Make sure it’s someone who has genuinely operated at CFO level, not a junior under a senior badge.
  • How will it be priced? A fixed monthly retainer scoped to the work is far easier to manage than open-ended hourly billing.

Our virtual CFO engagements are led by Chartered Accountants and registered tax agents, priced as fixed monthly retainers, and built around the decisions you’re trying to make. Read more about how we work.

Frequently asked questions

Is a fractional CFO the same as an outsourced CFO?

In practice, yes. Both describe senior finance leadership engaged part-time rather than employed full-time. The difference is emphasis — “fractional” on time, “outsourced” on sitting outside payroll.

How many days a month do I need?

Most SMEs start with one to three days a month, increasing around events like a funding round, acquisition or major budget cycle. We scope this in a short diagnostic before quoting.

Will it replace my accountant or bookkeeper?

No. A virtual CFO sits above day-to-day compliance, adding strategy and reporting. Many engagements run alongside your existing team.

Book a free 30-minute consultation and we’ll help you work out exactly what level of finance support your business needs.