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Fractional CFO Services: Hire a Part-Time or Outsourced CFO
Fractional CFO services cost $3,000 to $15,000 a month in 2026, and most small and mid-sized companies pay $5,000 to $7,000. Hourly work is billed at $150 to $450. A part-time CFO and an outsourced CFO are the same product under different names.
Here is the number that decides whether a quote is fair, and the category almost never prints it. Only one widely published figure states a retainer and its hours together: $9,000 to $21,000 a month for 35 to 80 hours. Divide it out and you get $257.14 and $262.50 an hour. The money more than doubles and the rate moves 2.08%.
So the fractional CFO market is close to a single rate sold in different sizes. Apply that $260 to the common small-business retainer and the picture changes: $5,000 to $7,000 a month buys roughly 19 to 27 hours a month. That is 4 to 6 hours a week, not the half-time executive most founders picture when they sign.
Everything below is that arithmetic done properly, including the point where a full-time hire becomes cheaper and the case where you should buy a controller instead and keep the difference.
$3k to $15k per month
~$260/hr market effective rate
11 to 26 hrs is the crossover band
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Last updated September 2026
Every figure here is either a published 2026 US market rate or arithmetic you can redo yourself from the Bureau of Labor Statistics wage and benefit series. Where the numbers argue against hiring a CFO at all, we say so and point you at the cheaper answer.
What it costs
Fractional CFO rates in 2026, by engagement type
Read the hours column before the price column. In this category the tier is set by how many hours the CFO commits, not by how senior they are, and two firms quoting wildly different monthly numbers are usually charging within a few percent of each other per hour.
| Engagement | Monthly retainer | Hours per month | Hours per week | What you actually get |
|---|---|---|---|---|
| Light advisory | $2,500 to $4,000 | 10 to 15 | 2 to 4 | A monthly review call, a forecast someone maintains, an answer when you ask |
| Small business, most common | $5,000 to $7,000 | 19 to 27 | 4 to 6 | Rolling cash forecast, budget versus actual, pricing and margin work |
| Growth or ecommerce, $5M to $20M | $4,000 to $8,000 | 15 to 25 | 3 to 6 | The above plus inventory, channel margin and working-capital planning |
| Venture-backed startup | $9,000 to $21,000 | 35 to 80 | 8 to 18 | Full function ownership, board packages, fundraising and diligence |
| Hourly or project | $150 to $450 per hour | Variable | Variable | A model build, a diligence sprint, a lender package, one decision |
The honest middle
Most US companies reading this land at $5,000 to $7,000 a month. Treat anything under $3,000 as advisory and anything over $12,000 as a different product entirely.
What does not move the price
Your revenue, on its own. A quote that scales with turnover is percentage-of-revenue pricing wearing a professional-services label, and it will keep rising after the workload has stopped rising.
What does
Committed hours, the state of your books on day one, whether a raise or a sale is live, entity and multi-state complexity, and whether the accounting team reports to them.
The check nobody runs
What a fractional CFO retainer implies as an hourly rate
Almost every fractional CFO page publishes a monthly price or an hourly price, never both attached to the same engagement. One does, and it is the most useful number in the category: an engagement of 35 to 80 hours a month costing $9,000 to $21,000. Those two ends divide out to $257.14 and $262.50 an hour. The invoice grows by 133% and the rate grows by 2.08%.
Take that as the market's effective rate and every other retainer becomes readable. The table below converts the common bands at $260 an hour, using 4.333 weeks in a month rather than a rounded four.
| Monthly retainer | Hours it buys at $260/hr | Hours per week | What that is in practice |
|---|---|---|---|
| $3,000 | 11.5 | 2.7 | One call and one report. Nothing gets built |
| $5,000 | 19.2 | 4.4 | A maintained forecast and a monthly meeting |
| $7,000 | 26.9 | 6.2 | The above plus one real project a month |
| $10,000 | 38.5 | 8.9 | Weekly presence, board reporting starts to be possible |
| $15,000 | 57.7 | 13.3 | Function ownership, a raise can run alongside it |
| $21,000 | 80.8 | 18.6 | Close to half a full-time executive |
The row that should stop a founder is $5,000. That is the number most small businesses budget for a fractional CFO, and it buys about four and a half hours a week. A monthly review call, the preparation for it and the follow-up email consume most of that before anyone opens a model. If you want a forecast rebuilt, a pricing analysis and a lender package in the same month, you are asking for roughly $10,000 of work and should expect to be told so.
Read the corners
When the quoted range and the quoted rate cannot both be true
Ranges hide the deal. The published guidance for ecommerce and DTC companies between $5M and $20M in revenue says $175 to $325 an hour, or $4,000 to $8,000 a month on a 15 to 25 hour retainer. Those are presented as two ways of saying the same thing. They are not.
| Where you land in the range | Monthly fee | Hours | Effective hourly | Against the same source's $175 to $325 |
|---|---|---|---|---|
| Best corner for the buyer | $4,000 | 25 | $160.00 | 8.6% below its own floor. A genuine bargain |
| The middle everyone assumes | $6,000 | 20 | $300.00 | Inside the band, near the top |
| Worst corner for the buyer | $8,000 | 15 | $533.33 | 64% above its own ceiling |
Same paragraph, same firm, and the two corners are a factor of 3.3 apart. Nobody is lying. The range is honest and the hourly band is honest, and a buyer who accepts both without pinning the corner can pay $533 an hour to someone whose published ceiling is $325. This is the single sentence worth taking into a call: get the committed monthly hours written into the agreement, then divide. Two proposals become comparable the moment both have an effective rate on them.
The employment benchmark
Fractional CFO cost against a full-time finance hire
The comparison every vendor makes is against a $400,000 full-time CFO. That figure is real, but it describes a large-company executive, not the person a $5M business would actually have hired. The honest benchmark is the occupation the role sits in. The Bureau of Labor Statistics reported a median annual wage of $166,570 for financial managers in May 2025, with the 10th percentile at $94,310 and the 90th at $323,270. Load each at the 1.43 multiplier implied by the March 2026 employer cost series, where wages are 69.9% of total compensation, and you get the real cost of employing one.
| BLS financial managers, May 2025 | Base wage | Loaded at 1.43 | Per month | Per hour at 2,080 hrs |
|---|---|---|---|---|
| 10th percentile | $94,310 | $134,863.30 | $11,238.61 | $64.84 |
| Median | $166,570 | $238,195.10 | $19,849.59 | $114.52 |
| 90th percentile | $323,270 | $462,276.10 | $38,523.01 | $222.25 |
Where the $400,000 comes from
Working backwards, an all-in cost of $400,000 implies a base salary of $279,720, which sits between the BLS median and the 90th percentile. The number is not invented. It just describes someone in roughly the top sixth of the occupation, which is a fair comparison for a Series B company and a poor one for a $3M service business.
The ceiling test
A fully loaded entry-level financial manager costs $11,238.61 a month. So a $12,000 fractional retainer, the top of the common band, already costs 1.07x a full-time junior finance hire. Above that line the case has to be seniority and flexibility. It is no longer a saving.
The crossover
The hour count where a full-time CFO becomes cheaper
Divide the loaded monthly cost of a median financial manager, $19,849.59, by each published fractional rate. The result is how many hours you could buy fractionally for the price of employing one person full time. Cross that line and the contract is the expensive option.
| Fractional hourly rate | Hours per month it buys for $19,849.59 | Hours per week | Read |
|---|---|---|---|
| $150 | 132.3 | 30.5 | Fractional wins almost until full time |
| $175 | 113.4 | 26.2 | The upper limit of the fractional case |
| $260 | 76.3 | 17.6 | At the market effective rate, this is the real line |
| $325 | 61.1 | 14.1 | Beyond 14 hours a week, employ someone |
| $450 | 44.1 | 10.2 | Only defensible for short, decisive project work |
Below roughly 10 hours a week, fractional is cheaper on every published rate. Above roughly 26 hours a week, it is dearer on every published rate. Between those two lines it depends entirely on the rate you negotiated, which is the strongest possible argument for pinning the effective hourly before you sign.
Worth noticing if you are pricing more than one fractional executive: run the same method on the marketing side and the answer is different. The crossover for a fractional CMO lands at 30 to 40 hours a week, because CMO retainers imply an hourly rate around $115 to $154 while CFO retainers imply about $260. Fractional finance stops being the cheap option at roughly half the workload at which fractional marketing does. Budget accordingly, and do not assume that because one fractional executive was good value the next one will be.
By company size
What the retainer costs as a share of revenue
Published bands for US service businesses scale with revenue, but not proportionally, and the gap between those two facts is where most bad decisions get made. The dollar figure roughly triples from $1M to $10M in revenue. The percentage falls by about four times.
| Annual revenue | Published monthly retainer | Annual cost | Share of revenue |
|---|---|---|---|
| $1M | $2,500 to $4,000 | $30,000 to $48,000 | 3.00% to 4.80% |
| $3M | $3,500 to $6,000 | $42,000 to $72,000 | 1.40% to 2.40% |
| $5M | $5,000 to $8,000 | $60,000 to $96,000 | 1.20% to 1.92% |
| $10M | $7,000 to $10,000 | $84,000 to $120,000 | 0.84% to 1.20% |
At $1M in revenue a fractional CFO costs 3% to 4.8% of everything the company takes in, before a single dollar of it has been earned back. On a service business running a 15% net margin, that is a fifth to a third of the profit. This is the argument against buying one too early, and it is our argument even though we would rather place the more expensive hire: under roughly $2M in revenue, a freelance bookkeeper plus a part-time controller usually produces more decision-grade information per dollar than a CFO retainer does. Come back to the CFO when a specific decision, not general anxiety, is the reason.
The cheaper answer
Fractional CFO or fractional controller, and the 1.6x that separates them
A large share of companies shopping for a fractional CFO have a controller problem. The symptom tells you which. If the monthly close is late, the numbers move after you have already looked at them, or nobody can explain a variance, that is bookkeeping and accounting rigor. If the numbers are fine and you cannot decide what to do about them, that is a CFO.
| Fractional controller | Fractional CFO | |
|---|---|---|
| Monthly retainer | $2,500 to $5,000 | $5,000 to $7,000 |
| Hourly rate | $100 to $250 | $150 to $400 |
| Owns | The close, reconciliations, accruals, accuracy | Forecast, capital, pricing, the board conversation |
| Answers | What happened, correctly and on time | What to do next, and what it will cost |
| Right trigger | Books you do not trust | A decision nobody senior owns |
Here is the part worth keeping. On monthly midpoints the CFO costs $6,000 against the controller's $3,750, a premium of 1.60x. On hourly midpoints it is $275 against $175, a premium of 1.57x. Two independent ways of billing, and the seniority premium lands within 2% of itself either way. That consistency is what makes the substitution safe to reason about: buying the wrong title costs a stable $2,250 a month, or $27,000 a year, and buys you nothing you needed. If the diagnosis is accuracy rather than direction, hire a freelance accountant and keep the difference for the year you actually need a CFO.
Scope
What fractional CFO services include, and what they do not
In the retainer
- A rolling 13-week cash forecast and a runway number you can quote from memory
- A three-statement operating model, maintained rather than built once and abandoned
- Budget versus actual with a written explanation of every material variance
- Unit economics, gross margin by product or channel, and pricing recommendations
- The monthly or quarterly board and investor package, and the meeting itself
- Bank, lender and line-of-credit relationships, including covenant tracking
- Supervision of the bookkeeper or controller, and sign-off on the close
Priced separately or out of scope
- Bookkeeping, transaction coding, reconciliations and the mechanics of the close
- Payroll processing, accounts payable runs and collections
- Tax preparation and filing, which is a licensed CPA engagement, not a CFO one
- Audit fieldwork, though audit preparation is usually a named add-on
- A full fundraise, commonly billed as a project or a success fee on top
- Sell-side diligence and data-room construction during an exit
- Selecting and implementing a new ERP, which is its own project
The line that causes the most friction is the first one on the right. A fractional CFO who inherits messy books will spend the first two months on cleanup at CFO rates, which is the most expensive bookkeeping in the country. Get the ledger current before the engagement starts, or agree in writing that a cheaper pair of hands does the cleanup while the CFO supervises it.
Who buys this
The five situations that actually justify the retainer
Raising
A priced round or a venture debt facility needs a model an investor will not pick apart, and a founder who can defend every assumption in it. This is the most common trigger and the one where the retainer pays for itself fastest.
Runway is unclear
Nobody can tell you what month the cash runs out, so every hiring and spending decision is being made blind. A 13-week cash forecast is usually the first deliverable and often the only one that matters for a quarter.
Margin is moving the wrong way
Revenue is growing and profit is not. This needs gross margin cut by product, channel and customer, and then a pricing decision someone is willing to own in front of the sales team.
A lender or a covenant
A bank line, an SBA loan or a covenant test that needs to be modelled, monitored and explained. Getting this wrong is expensive in a way that dwarfs the retainer.
Buying or selling
An acquisition, a sale, or a partner buyout. Quality-of-earnings work, working-capital pegs and a clean data room are the difference between a headline price and the money that reaches your account.
Between CFOs
A finance leader left and the search will take four months. An interim CFO holds the function, keeps the board reporting on schedule and hands over cleanly, without you rushing a permanent hire.
Before you sign
How to price a specific fractional CFO quote in four steps
01
Get the hours in writing
A committed monthly hour figure, not "as needed". Without it no rate can be calculated and every comparison you make is guesswork.
02
Divide and compare
Retainer divided by committed hours. Under $175 an hour is a genuine discount, around $260 is market, and over $325 means you are paying project rates on a retainer.
03
Check the crossover
If the honest workload is over about 26 hours a week, stop and price a full-time hire instead. Past that line the contract costs more and gives you less.
04
Name the first deliverable
One dated artifact in month one: the cash forecast, the model, the lender package. An engagement with no first deliverable becomes a standing call nobody cancels.
One more thing that costs nothing and saves arguments: agree what happens to unused hours. Most retainers do not roll over, so a quiet month is money you have already spent. Ask for a quarterly true-up instead, or accept the loss knowingly rather than discovering it in month four. The same trap shows up in bookkeeping retainers and catches the same people twice.
How hiring works here
Hire a fractional CFO in four steps
01
Describe the decision
Revenue, stage, the state of your books, and the specific financial question that is blocking you. That last part is what makes the shortlist accurate.
02
Get a hand-picked shortlist
Vetted finance operators within 48 hours, each with their rate and their committed hours on the card before you speak to anyone.
03
Scope month one
Agree the first deliverable and the committed hours in writing, then run the arithmetic on this page against the actual quote.
04
Pay through escrow
Milestone escrow holds the money until the work is delivered and you have approved it, so a first month that goes nowhere is not a first month you have paid for.
Every finance professional on the platform clears the same four-stage vetting as the rest of the top 1%, and the same protections apply whether you are hiring a CFO for a quarter or a freelance consultant for a week. If you are still deciding between hiring one person and hiring a firm, the full list of roles we place is a reasonable place to start.
Questions
Fractional CFO services, answered
How much does a fractional CFO cost per month?
A fractional CFO costs $3,000 to $15,000 a month in 2026, and most small and mid-sized companies pay $5,000 to $7,000. Venture-backed startups with heavier reporting and fundraising demands run $9,000 to $21,000. The band you land in is set almost entirely by committed monthly hours rather than by seniority.
How much does a fractional CFO charge per hour?
Published 2026 hourly rates run $150 to $450, with $175 to $325 covering most engagements. The useful number is the effective rate: the one published retainer-and-hours pair that states both, $9,000 to $21,000 a month for 35 to 80 hours, works out at $257.14 and $262.50 an hour, a spread of just 2.08%.
What does a fractional CFO do?
A fractional CFO owns forecasting and cash runway, builds the operating model and budget, prices the business, runs board and investor reporting, and leads fundraising or lender conversations. They supervise the controller or bookkeeper rather than doing the monthly close themselves. Bookkeeping and transaction processing are normally out of scope.
Is a fractional CFO worth it?
Below roughly 11 hours a week the arithmetic says yes on every published rate. Above roughly 26 hours a week it says no on every published rate, because the loaded cost of a median full-time financial manager is $19,849.59 a month and a fractional engagement passes that figure sooner than most buyers expect.
When should you hire a fractional CFO?
Hire one when a financial decision is blocking the business and nobody senior owns the answer: a raise, a lender covenant, a pricing reset, an acquisition, or a runway that nobody can forecast. If instead the monthly close is late and the numbers are unreliable, the correct hire is a controller at roughly 60% of the price.
How much does a part time CFO cost?
A part time CFO and a fractional CFO are the same product with two names, and both cost $3,000 to $15,000 a month in 2026. The most common small-business engagement is $5,000 to $7,000. At the market effective rate of about $260 an hour, that retainer buys roughly 19 to 27 hours a month, or 4 to 6 hours a week.
What services does a fractional CFO provide?
The standard scope is a rolling cash forecast, a three-statement operating model, budget versus actual reporting, unit economics and pricing analysis, board and investor packages, lender and bank relationships, and oversight of the accounting team. Fundraising support, diligence and audit preparation are common add-ons priced on top of the retainer.
Is a fractional CFO an employee?
No. A fractional CFO is an independent contractor engaged on a monthly retainer, paid on an invoice and issued a 1099, with no benefits load, no payroll taxes on your side and no severance. That is a large part of why the comparison against a salary is misleading until you load the salary with benefits.
What is the difference between a fractional CFO and a controller?
A controller makes the numbers correct and on time. A CFO decides what to do about them. On price the gap is stable: controllers run $2,500 to $5,000 a month against $5,000 to $7,000 for a CFO, a 1.60x premium, and the hourly midpoints of $175 and $275 give 1.57x, agreeing within 2%.
How many hours does a fractional CFO work?
Published engagements run 35 to 80 hours a month for venture-backed companies, which is 8 to 18 hours a week. Small-business retainers of $5,000 to $7,000 imply about 19 to 27 hours a month at the market effective rate, or 4 to 6 hours a week. Very few fractional CFOs commit more than 20 hours a week.
What is a fractional CFO salary?
There is no salary, because the role is a contract retainer. Annualized, $6,000 a month is $72,000 and $15,000 a month is $180,000. The employment benchmark is the BLS median for financial managers, $166,570 in May 2025, which is $238,195.10 a year once loaded at the 1.43 benefits multiplier.
How much should a fractional CFO charge?
Price the engagement off committed hours at $175 to $325 an hour, then sanity-check the total against the loaded employment cost of $19,849.59 a month for a median full-time financial manager. Any retainer above about $11,239 a month exceeds the full loaded cost of a full-time entry-level finance hire and has to be justified on seniority.
Hire a fractional CFO with the hours agreed up front
Tell us your revenue, the state of your books and the financial decision that is actually blocking you, and we hand-pick a shortlist of vetted finance operators within 48 hours, each with their rate and committed hours on the card. Milestone escrow holds the money until the work is delivered and you have approved it.