Fractional CFO vs Full-Time CFO

A full-time CFO is an employee who works only for your company. A fractional CFO is an outside professional who gives your business a set share of their time for a monthly fee. The fractional route costs less in the published figures, while the full-time route gives more hours, presence and control.

By Jake McKenna, FounderPublished Last reviewed

What is the difference between a fractional CFO and a full-time CFO?

Both do the same kind of work: plan, forecast, budget, report and advise on money decisions. The difference is how you buy it. One is a role on your payroll. The other is a service with a fixed scope and a fixed rhythm. For a fuller definition, see what a fractional CFO is.

How do they compare side by side?

Question Fractional CFO Full-time CFO
Who they work for Several clients, or a firm with several clients Only your company
Time on your business A defined share, on a schedule Full working week
Published cost (vendor figures) Pilot: $3,000 to $12,000 a month. SDO CPA: $3,500 to $15,000 a month Pilot: more than $250,000 a year. SDO CPA: $250,000 to $500,000 or more a year, and up to $600,000 or more in its itemized total
Employment costs Included in the fee Salary, benefits and recruiting, as SDO CPA itemizes
Speed to start No hiring process, but you still need to choose a provider Search, interviews and notice periods
Presence in the business Remote or scheduled In the building, in every meeting
Depth of knowledge of your business Builds over time but limited by hours Deep and constant
Fit for sudden problems Depends on the agreement Strong, because they are there
Ending the arrangement Terms of the agreement Notice and any severance terms in the employment arrangement

The cost row comes from two companies that sell fractional CFO services. They are vendor-published and not independent surveys. Each shows a salaried CFO at $250,000 or more a year. SDO CPA's figure includes benefits and recruiting, so ask for the all-in number for any role you compare.

Where does a fractional CFO win?

  • Cost and flexibility. A monthly fee is a smaller commitment than a salary, and it can change as your needs change.
  • Breadth. You are buying the judgment of someone used to working across different businesses, without paying for a full-time executive.
  • Speed. There is no recruiting process.
  • Scope on demand. A business that needs forecasting this quarter and funding preparation next can adjust the work.
  • No management overhead. There is no performance review cycle, office space or equipment.

Where does a fractional CFO lose?

  • Hours. You get a defined amount of time, not a full week. Urgent matters wait for the next slot unless the agreement says otherwise.
  • Presence. They are not at your leadership table every day.
  • Depth over time. A person who lives in your business all week will learn it faster.
  • Shared attention. A fractional CFO serves other clients. Ask how that is managed.
  • Fit for fundraising at scale. If you are preparing for a large, complex transaction, an investor or lender may prefer an employee who owns the numbers.

Where does a full-time CFO win and lose?

A full-time hire wins on presence, depth and ownership. They manage the finance team, join every leadership discussion, and sit with the board. They lose on cost and on the risk of a bad hire, which is slow and expensive to reverse. A full-time CFO also needs enough work to fill the week. If your finance function has only a few meaningful decisions a month, you may be paying for idle capacity.

When should you choose a full-time CFO?

Choose the salaried route when most of these are true:

  1. Finance work fills a full week with real decisions, not routine.
  2. Investors, lenders or the board expect an employee in the role.
  3. You manage a finance team that needs a leader on site.
  4. The business can pay the full cost of the hire comfortably.
  5. You have time to hire carefully.

If few of those apply, a fractional arrangement is worth a look first. Read when to hire a fractional CFO for the signs that point your way. Some businesses use fractional help first and move to a hire later, but that is a choice, not a rule.

Which should you pick?

A plain way to decide: if you cannot name enough work to fill a full-time role, start with the fractional option. If you can, and you can afford the hire, a full-time CFO gives you more. In both cases the quality of the person matters more than the label, so use the questions in how to hire a fractional CFO for either choice. Also check that the books are reliable before you pay anyone for planning. If they are not, bookkeeping comes first.

What English Oak Financial charges

English Oak Financial starts its fractional CFO service from $2,500 a month. Pricing is custom to your business and charged as one fixed monthly fee that includes all the work required. See the pricing page.

What about a hybrid, with an in-house bookkeeper and an outside CFO?

This is a common shape, and it is worth considering before you assume the choice is binary. An in-house bookkeeper or office manager records the day-to-day transactions. An outside CFO sets the plan, reviews the results and advises the owner. A controller sits between the two when the books need oversight or the month-end close needs discipline. You pay for planning only where you need it, and routine work stays with whoever is closest to it.

The risk with any hybrid is unclear ownership. Decide in writing who closes the month, who reconciles the accounts, who builds the forecast and who answers questions from your tax professional. Our what we do page shows how we divide Record it, Control it and Drive it.

What stays the same with either choice?

Neither prepares your tax return, and neither is an auditor. At English Oak Financial we do not prepare tax returns, audit or give investment advice, and we work alongside your CPA or tax professional. A CFO of either kind needs good records from a bookkeeper or controller, so look at our fractional CFO service and controller service together. For the line between a controller and a CFO, see controller vs CFO. This is general information, not tax or investment advice.

Need this done for you? See our Fractional CFO & Advisory service, or pricing. English Oak Financial does not prepare tax returns, perform audits or give investment advice. This guide is general information, not tax, legal or investment advice.

Sources

Common questions

Is a fractional CFO the same as a part-time CFO?

In everyday use, yes. Both mean an outside finance leader who gives your business part of their time. Ask each provider what hours, reports and meetings are included.

How much does a full-time CFO cost compared with a fractional CFO?

According to Pilot, a full-time CFO can cost more than $250,000 per year. SDO CPA gives $250,000 to $500,000 or more annually, and up to $600,000 or more in its itemized total. The same companies publish fractional ranges of $3,000 to $12,000 and $3,500 to $15,000 a month. These are vendor figures.

Can a fractional CFO become a full-time CFO?

Some arrangements allow it, but that depends on the contract and the person. If this matters to you, raise it before you sign and ask how any transition would work.

Is a fractional CFO right for a small business?

Often, when the business has real decisions to plan but not enough work for a full-time executive. If your finances are simple and stable, bookkeeping may be enough.

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