Who should run your finance function? A comparison by provider type.
In-house bookkeeper, outsourced bookkeeping service, Big 4 retainer, or a Virtual CFO desk — a practical comparison of who actually produces board-ready reporting, not just clean books.
Running the finance function pulls in part-time bookkeepers, outsourced bookkeeping services, Big 4 advisory retainers, and virtual CFO desks — all claiming they'll keep the numbers straight. Here's what each actually covers.
On this page
Four kinds of help, and what each is built for
The names are familiar — a part-time bookkeeper, an outsourced bookkeeping service, a Big 4 retainer, a Virtual CFO desk — but the four categories are built for different jobs. The comparison below is about what each is structured to do, not how good any individual provider is at it.
| Criterion | In-house bookkeeper/part-time accountant | Outsourced bookkeeping service | Big 4 advisory retainer | Virtual CFO desk (e.g. Advisory Monks) |
|---|---|---|---|---|
| Best for board-ready reporting | ||||
| Produces investor-ready MIS/board decks, not just books | Rarely | No — books only | Yes | Yes |
| Named lead + backup bench, not a single point of failure | No | Varies | Yes, but often rotates staff | Yes — designated lead with bench coverage |
| Statutory sign-off boundary is clear (who signs what, who doesn't) | Often unclear | N/A | Clear | Clear, stated upfront |
| Cost | Lowest | Low | High | Mid |
| Best fit | Very early stage, pre-funding, simple books | Steady-state bookkeeping with no board reporting need | Large, well-funded company needing full advisory bench | A funded startup needing board-ready reporting and FP&A without a full-time CFO hire |
The honest gap
A bookkeeper keeps clean books but doesn't produce what a board or investor actually wants to see; a single freelancer is a single point of failure if they're unavailable during a raise.
What to ask before engaging anyone
Who's the named lead, is there backup coverage, and what exactly do they sign off on vs. what stays with your statutory auditor. See the full checklist →
This note is general guidance, not tax or legal advice. Positions depend on your specific facts — speak with a partner before acting.