Ruth Callaway Fractional CFO Two days a week — one seat open

Companies raise money,then find out nobodyowns the number.

I run finance for post-Series-A companies that are too big for a bookkeeper and too early for a full-time CFO. Two days a week, inside the team, until the numbers run themselves.

Engagement record

7 engagements · 2022–2026
20222023202420252026
Northgate
Fintech · Series B
12 mo
19→7months to payback
Vale Logistics
Freight · PE-backed
8 mo
−14%landed cost
Havenlijn
Marine · Family-owned
15 mo
2.0xcash conversion
Bracken Health
Care · Seed
6 mo
First audited close
Orrery
Dev tools · Series A
14 mo
+38%net revenue retention
Kestrel Foods
CPG · Bootstrapped
10 mo
−22ddays sales outstanding
Lammermoor
Property · Mid-cap
9 mo
Refinanced at close

Three of them, in full

Northgate

Fintech · Series B · 12 months
What was wrong

Paid acquisition looked fine on paper — blended CAC was flat for four quarters — but the bank balance kept telling a different story. Nobody in the company could name a profitable segment.

What I did

Rebuilt unit economics bottom-up by cohort instead of by channel, then repriced around the two segments that actually retained. Shut down the self-serve tier that was quietly subsidising everyone else.

What happened

Payback fell from 19 months to 7 without cutting a dollar of spend. The operating review now opens with cohort payback instead of blended CAC.

19→7Months to payback
+38%Net revenue retention

Havenlijn

Marine · Family-owned · 15 months
What was wrong

Third generation, sixty years of trading, and a working capital cycle nobody had measured since the euro. Two banks were asking questions the family could not answer in a room.

What I did

Put a thirteen-week cash forecast in place in the first month, then went line by line through terms with the eleven counterparties who accounted for most of the float.

What happened

Cash conversion doubled inside a year. The bank conversation changed from covenant questions to a larger facility.

2.0xCash conversion
13wkRolling forecast

Vale Logistics

Freight · PE-backed · 8 months
What was wrong

A sponsor sixteen months from exit, a finance team of two, and a cost base that had never been benchmarked against anything.

What I did

Rebid every inland lane against a clean baseline and rebuilt the month-end close so diligence would not find surprises.

What happened

Landed cost down 14% on the same volume, and a close that survived a buy-side quality of earnings review without a restatement.

−14%Landed cost
6dClose, from 21

How the time is bought

Diagnostic

3 weeks

Every number in the business, one document, and a ranked list of what it is worth to fix. Fixed fee. Most engagements start here; not all of them continue.

Embedded

2 days / week

I am your CFO. Board pack, close, forecast, bank and investor conversations. Minimum two quarters, because nothing meaningful happens in one.

Transition

1 day / week

You have hired a full-time CFO. I stay long enough to hand over a system rather than a folder, then leave.

“She found in three weeks what the board had been arguing about for a year. The uncomfortable part was how obvious it all looked afterwards.”
Marcus Webb, Chair — Northgate
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