Make a Payment 801-833-0991

Startups

Fractional CFO services for startups

Runway, burn, and the model an investor will actually read.

Quick answer

A fractional CFO helps a startup build the financial model, runway forecast and investor reporting it needs to raise and survive, without spending early capital on a full-time finance executive. Ascension CFO works with startups from South Jordan, Utah.

On this page 9 sections
  1. Runway is the number that ends companies
  2. Burn, and knowing which burn is buying someth…
  3. The model investors will actually interrogate
  4. Reporting that keeps investors calm
  5. What to fix before diligence opens
  6. When a startup is genuinely too early
  7. How Ascension CFO works with startups
  8. Founder questions
  9. Get the runway number right first

Startups fail from a shorter list of financial causes than founders expect. Running out of money before the next milestone. Raising against a model nobody stress-tested. Growing revenue that costs more to acquire than it returns. Losing investor confidence through reporting that arrives late and inconsistent. Each of those is a finance problem with a finance answer, and none of them requires a full-time CFO on your cap table's payroll to solve.

Runway is the number that ends companies

Runway is how many months the business can continue at its current net burn before the cash is gone. Every other startup metric is a means to changing that number. Most founders can quote it to within a month; far fewer can say what it becomes if the next two hires start in March, the enterprise deal slips a quarter, and collections stay where they actually are rather than where the plan assumed.

That second version is the useful one, and building it takes a model that connects decisions to cash. A fractional CFO's first job at a startup is usually to construct exactly that: hiring plan, revenue build, collection timing and fixed costs in one place, so runway responds to inputs instead of being recalculated by hand every few weeks.

It also changes how a cut gets made. Reductions decided three months before a cliff are strategic and survivable. The same reductions made at the cliff are indiscriminate, and they cost the team's confidence as well as the payroll line.

Burn, and knowing which burn is buying something

Burn is not automatically a problem. Spending ahead of revenue is the whole premise of venture-backed growth. The problem is spending without knowing which part of it is purchasing future revenue and which part is simply cost.

Splitting the two is unglamorous work. It means putting spend into categories that reflect what it is meant to produce, then testing whether it produced anything: acquisition cost by channel and how long it takes to pay back, what a customer is worth net of the cost of serving them, gross margin calculated with hosting, support and delivery included rather than excluded because they were awkward to allocate.

Startups regularly discover here that one channel is subsidising the reported blended numbers of three others, or that gross margin is fifteen points below the figure in the deck because the cost of delivery was never fully counted. Better to find that in your own model than to have a partner at a fund find it in diligence.

The model investors will actually interrogate

Investor-grade financial models share a few traits, and they are easy to check for.

  • Built bottom-up. Revenue comes from a countable engine — leads, conversion, price, retention — not from a market size multiplied by a hopeful share.
  • Driver-based. Changing one assumption changes the outputs everywhere, because the sheet is wired rather than typed.
  • Reconciled to history. The first forecast month continues smoothly from the last actual month. A hockey stick that begins the day the model does is the fastest way to lose a room.
  • Honest about scenarios. A base case, a slower case and a bad case, each with the decision that would be triggered by it. Founders often think showing a downside case reads as weak; experienced investors read it as the opposite.

Preparing this well before you begin meetings is worth more than any amount of deck polish, and the timing matters. Two to three months of lead time lets the model be tested and corrected. Two weeks means it gets rebuilt in front of the people you were hoping would fund it. Our guide on when to bring in a fractional CFO covers the same timing question for companies outside the venture path.

Reporting that keeps investors calm

After a round closes, the relationship becomes a reporting relationship, and consistency counts for more than polish. A monthly update within two to three weeks of month-end, in the same format every time, does more for investor confidence than a beautiful quarterly deck that arrives late.

The core of it is short: cash in the bank, net burn, runway in months, revenue against plan, headcount, and a paragraph on what changed and what you need. Companies with a board add the full pack — profit and loss statement, balance sheet, cash flow, and commentary explaining the variances rather than restating them.

The discipline has a second benefit that founders notice within a couple of cycles. A monthly number you have to explain to someone else is a number you start managing before it needs explaining.

What to fix before diligence opens

Diligence does not usually kill a deal outright. It grinds it — the terms drift, the timeline stretches, and the founder spends six weeks answering questions instead of running the company. Most of that friction comes from a predictable set of gaps.

Revenue recognized on a basis nobody can explain. Contracts and invoices that disagree. A cap table maintained in a spreadsheet with three versions in circulation. Expenses run through personal accounts. Contractors doing work that looks like employment. Books closed months late, or closed on a basis that changed halfway through the year.

None of these is hard to fix with notice. All of them are expensive to fix while a term sheet is live. A fractional CFO's value at this stage is knowing which questions are coming and answering them before they are asked.

When a startup is genuinely too early

Pre-product, pre-revenue, two founders and a small friends-and-family check does not need fractional CFO services. It needs clean records, a separate business bank account, and a simple spreadsheet the founders update themselves. Paying for financial leadership at that stage buys precision you cannot yet use.

The point at which it changes is usually one of these: outside money arrives and someone else now has a claim on the reporting; revenue reaches the level where the mix starts to matter; headcount passes the point where payroll is the dominant cost and a hiring decision moves the runway meaningfully; or a raise is coming within the next six months. Ascension CFO typically works with companies generating over $1 million in revenue, and with founders preparing for funding or expansion.

How Ascension CFO works with startups

Engagements begin with a Business Financial Assessment — a structured review of profitability, cash, working capital and financial controls that produces a written picture of what is working and what is at risk. For a startup the Quick version, one to two weeks, is usually enough to set direction, though companies heading into a transaction take the Pre-Transaction depth instead.

From there the shape follows the need. Fundraise preparation is normally a project with an end date. Ongoing runway management, monthly reporting and investor updates run as a retainer. Founders who just want a model reviewed or a specific decision pressure-tested can use hourly consulting at $250 per hour. Monthly advisory plans are priced to the needs of the business, and what drives fractional CFO pricing is explained separately.

Ascension CFO is based in South Jordan, Utah, holds the Certified CFO designation through The CFO Project, and is a QuickBooks Online Certified ProAdvisor. For founders whose plan is a sale rather than a series of rounds, the same financial groundwork feeds directly into exit planning, which is a longer runway than most people expect.

Founder questions

Does a startup need a CFO before raising a seed round?

Not a full-time one. What a seed-stage company needs is a defensible model, a clear runway number and clean records — work that takes a fractional CFO weeks, not a salaried hire. Bring someone in two to three months before you start meeting investors, so the model is stress-tested before it is presented rather than rebuilt mid-process.

What financial reporting do investors expect after a round?

Most investors expect a monthly update within two to three weeks of month-end: cash in the bank, net burn, runway in months, revenue against plan, headcount, and a short note on what changed and what you need. Board-stage companies add a full pack with the profit and loss statement, balance sheet, cash flow and variance commentary.

How does a fractional CFO help extend runway?

By making runway a managed number rather than an observed one. That means a driver-based forecast showing what each hire, campaign and contract does to the burn, a rolling cash view so surprises show up early, and honest scenario work — base, slow and bad — so a cut can be planned three months ahead of the cliff instead of made in a panic at it.

Get the runway number right first

If you cannot say what your runway becomes under your own hiring plan, that is the place to start, and it is a short conversation. Set up a free strategy call and bring whatever model you have — however rough. We will tell you what it is missing before an investor does.

Answers

Common questions

Does a startup need a CFO before raising a seed round?
Not a full-time one. What a seed-stage company needs is a defensible model, a clear runway number and clean records — work that takes a fractional CFO weeks, not a salaried hire. Bring someone in two to three months before you start meeting investors, so the model is stress-tested before it is presented rather than rebuilt mid-process.
What financial reporting do investors expect after a round?
Most investors expect a monthly update within two to three weeks of month-end: cash in the bank, net burn, runway in months, revenue against plan, headcount, and a short note on what changed and what you need. Board-stage companies add a full pack with the profit and loss statement, balance sheet, cash flow and variance commentary.
How does a fractional CFO help extend runway?
By making runway a managed number rather than an observed one. That means a driver-based forecast showing what each hire, campaign and contract does to the burn, a rolling cash view so surprises show up early, and honest scenario work — base, slow and bad — so a cut can be planned three months ahead of the cliff instead of made in a panic at it.

Not sure if this is the right fit?

Book a free 30-minute consultation. We’ll tell you honestly — including if the answer is not yet.