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Why Your Startup Needs a Fractional CFO (Not Just a CPA)

Published on April 23, 2025
Cover image of post "Why Your Startup Needs a Fractional CFO (Not Just a CPA) | Sam’s List"

When you're launching a startup, you quickly realize taxes are just one piece of the financial puzzle.
Cash flow forecasting, fundraising prep, and strategic financial modeling are just as critical, if not more.
That’s where afractional CFOcomes in: providing the high-level financial leadership your startup needs without the full-time cost.

Find fractional CFOs for startups on Sam’s List.


What a Fractional CFO Does for Startups

A fractional CFO provides part-time executive financial strategy, helping with:

  • Burn rate management

  • Cash flow forecasting

  • Financial modeling for fundraising

  • Pricing strategy analysis

  • Scenario planning for growth

  • Board and investor reporting

They don’t just handle taxes or bookkeeping, they help drive financial decisions that could make or break your startup.

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The Limitations of Only Having a CPA

Most CPAs:

  • Focus primarily on tax compliance

  • Offer limited proactive financial strategy

  • Work reactively (year-end vs. real-time cash planning)

While important, CPAs aren't typically responsible for forecasting burn, prepping for Series A/B rounds, or running strategic models.

ACPAalone often isn't enough for fast-growing startups.


When Startups Should Hire a Fractional CFO

It’s time to bring on afractional CFOwhen:

  • Your burn rate is over $30k/month

  • You’re preparing for a funding round

  • Cash flow forecasting is critical to decision-making

  • You need financial modeling for investors or board meetings

  • You’re scaling revenue but margin management is critical

Hiring too late could mean running out of cash or looking disorganized during a raise.


How Fractional CFOs Help With Fundraising

When raising capital, a fractional CFO can:

  • Build investor-friendly models

  • Prepare GAAP-compliant financials if needed

  • Forecast capital needs and runway

  • Help defend assumptions during due diligence

Founders who work with fractional CFOs often move faster through raises and close bigger rounds.


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How Sam’s List Helps

Sam’s Listconnects startups with vettedfractional CFOswho specialize in:

  • SaaS companies

  • Ecommerce startups

  • Seed through Series C companies

  • Founder-led companies preparing for scaling or exits

You can browse profiles by specialty and growth stage needs.

Explore fractional CFOs on Sam’s List.


FAQs

What’s the difference between a CPA and a fractional CFO?
A CPA focuses on tax compliance; a fractional CFO provides strategic financial leadership, forecasting, fundraising prep, and growth planning.

How much does a fractional CFO cost for startups?
Typically between $3,000–$10,000/month depending on engagement size and company stage.

When is the right time for a startup to hire a fractional CFO?
When burn rate grows beyond $30k/month or when preparing for your first major funding round.

Can a fractional CFO help a pre-seed or seed stage startup?
Yes, especially if you're managing investor money or planning your next raise.


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Author: Kimi, Co-founder of Sam's List

Kimi writes about what she's learning while building Sam's List and shares honest takeaways from her conversations with accountants and financial advisors across the country. None of this is financial advice—just the stuff most people wish someone told them sooner.


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