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Fractional CFO

Why I Don't Run the Books Myself

Prism Edge brings fractional CFO work, M&A advisory, and AI for finance under one roof. The bookkeeping is the one piece I deliberately don’t do myself.

Most fractional CFOs try to do everything, including the books. I explained why I don’t on a panel at the FIF Collective Summit this year, with a line from leadership author Andy Stanley: your fully developed strength is worth far more to a client than your slightly improved weakness.

Each person in the work they’re best at

There are plenty of ways to build a finance function. This is the one I believe in.

The accounting gets handed to firms that specialize in it, and AI-enabled tools now make the monthly close faster and tighter than it’s ever been. Their teams handle the books: the close, payroll, the day-to-day rigor. I take the seat above the books: fundraising, board prep, cash planning, and M&A when a founder is ready to sell.

Often the most useful thing I do early in an engagement is bring in the right accounting team, then build the strategy on top of it.

Two layers, two different jobs

It helps to be clear about what each layer owns.

The accounting layer produces the numbers:

  • The monthly close. Books closed and reconciled on a schedule.
  • Payroll and payables. The routine work that has to be right every time.
  • Day-to-day rigor. Transactions coded correctly, so the reports mean something.

The CFO layer decides what the numbers mean:

  • Cash planning. How much time you really have, and what changes it.
  • Fundraising. When to raise, how much, and what investors will check.
  • Board prep. Turning results into a story the board can act on.
  • M&A. What the business is worth and how to prepare it for a buyer.

The two layers depend on each other. Strategy built on messy books is guesswork. Clean books with nobody reading them are just records. For more on why the close comes first, see How Long Does Your Close Take?

Why it works

The partnership model only works if everyone stays in their lane. Ego is the killer. If I kept doing controllership work so I could call myself “full service,” I’d be shortchanging my client and my partner.

The number of fractional CFOs trying to do everything, and quietly being mediocre at half of it, is the reason I built my practice around partnership from day one. It’s also how the math works. My client cap and the embedded way I work with each company only hold up because a specialist firm runs controllership for my clients while I run the CFO layer.

Staying in your lane doesn’t mean ignoring what’s outside it. A good finance partner still says, “This isn’t in our scope, but I’m concerned about it.” More on that in “That’s Not My Department” Is a Red Flag in a CFO.

The gap most founders don’t see

A founder with a bookkeeper but no strategic finance is still missing the person who answers the questions that decide the company’s future:

  • Can we make payroll through the next raise?
  • Is now the time to raise?
  • What is this business actually worth?

Those questions don’t get answered by closing the books faster. They get answered by someone whose job is to read the books and decide what to do next.

That’s the gap I fill. It’s real, and it’s expensive to leave open.

Check your own setup

Answer these about your finance function today:

  1. Who closes the books, and when? If you can’t name the person and the date, start there.
  2. Who owns the cash forecast? Not who updates it when they remember, but who is responsible for it.
  3. Who would tell you, unprompted, that you’re heading for trouble? If the answer is nobody, you have task completion, not financial leadership.
  4. Is anyone doing two jobs badly instead of one job well? That includes you.

If the books are clean but nobody is answering the strategic questions, you may not need a bigger accounting team. You need the layer above it. For which role fits your stage, see You Probably Don’t Need a Full-Time CFO. You Might Need a Controller.

Who runs your books, and who is reading them?

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