7 August 2026

Redesign The Finance Function After Every Fundraise, Not Just The Cap Table

Every fundraise changes the shape of the finance function. Most boards do not react to that until the CFO asks for help, which is usually six to nine months too late.

The pattern is consistent enough that we now flag it in the first conversation with any founder-led business planning a round. If the finance function looks the same 90 days after a close as it did 90 days before, something has been missed.

What each round actually asks of finance

The specific ask changes with the stage, but the shape of the change is the same each time. The mandate widens materially, and the team below the CFO has to widen with it.

  • Series A. Finance is bookkeeping, cash, and monthly reporting. One person can hold all of it. The board pack is short and mostly retrospective.
  • Series B. Finance becomes forecasting, unit economics, cohort tracking, and the beginning of investor reporting. One person can no longer hold it. Usually the trigger for a Head of FP and A hire.
  • Series C. Finance becomes proper investor reporting, board pack discipline, capital planning, and a first serious second layer beneath the CFO. Usually the trigger for the CFO title itself, if the business does not already have one.
  • Later rounds and exits. Finance becomes M and A capability, exit readiness, and treasury depth. Usually the trigger for a Group Financial Controller and a genuine team, not just a couple of individuals.

Each transition is a job-shape change, not a headcount change. Adding a person to a function that has not been redesigned rarely fixes the underlying problem.

The failure mode

The pattern we see in businesses that raise well and scale poorly is the same shape.

The CFO stays the same. The finance team stays the same. Only the mandate has changed.

Twelve months later, the board realises the reporting is not investor-grade, the forecasts are lagging reality, and the CFO is burning out trying to hold a shape of function that was designed for a business two rounds smaller.

The fix at that point is a CFO change, which is expensive and disruptive. The fix if it had been made 12 months earlier was a function redesign, which is cheap and non-disruptive.

The review conversation to have after every close

The conversation is short. Three questions.

  1. What does this round now require of the finance function that the previous shape of it was not built for?
  2. Which specific seats need to exist in the finance function 12 months from now that do not exist today?
  3. Is the current CFO the right person to lead the function through this next phase, or is this the moment to change?

The third question is uncomfortable. Ask it anyway. Sometimes the answer is yes and the conversation reinforces the current CFO. Sometimes the answer is no and the earlier that is faced, the cleaner the transition.

What we recommend to boards

Two practices.

First, add "finance function redesign" as a standing agenda item on the first board meeting after any close. Not a light discussion. A proper one, with the CFO presenting a redesigned org chart and a hiring plan.

Second, if the current CFO cannot credibly own that redesign conversation, the CFO change conversation has already started. Own it early.

If you have just closed a round or you are planning one in the next six months and you would like to talk through what the finance function should look like on the other side of it, get in touch.

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Dan Mackenzie
Director, Harper May

Dan has been placing senior finance leaders (CFOs, FDs, FCs and Heads of FP&A) across UK mid-market and PE-backed businesses since 2011. Harper May, the firm he co-founded, is a senior finance recruitment boutique focused on the £30m to £250m turnover range.

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