A five-part guide to running finance at a 3–5 person startup without a dedicated finance team — from what flying blind actually costs, to building a 13-week cash flow model, to the four numbers that predict survival, to reading that model for exactly when to raise, cut, or hire, and finally, knowing when the system you’ve built has been outgrown.
Running Finance for a 3–5 Person Startup (Without a Finance Team)
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Part 1
Flying Blind Costs More Than a Hire
Key takeaways There’s a question every early founder will face — in a board meeting, an investor call, or a late conversation with a co-founder: “Where do we stand in 12 weeks?” Most founders have two answers to this. The first is silence — a pause while they do math in their head, something between…
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Part 2
Build a 13-Week Cash Flow, Line by Line
Key takeaways Most early founders know roughly how much money they have. They check the bank account a few times a week. They have a vague sense of what’s coming in and going out. And for a while, that works. The problem is “roughly” stops working the moment something unexpected happens — a client pays…
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Part 3
The 4 Numbers That Predict Survival
Key takeaways If you’ve built the 13-week cash flow model, you now have a spreadsheet full of numbers. Weeks, rows, balances, projections. That’s the right tool. But a tool without interpretation is just data. There are four numbers — inside that model and across your business — that tell you more about your survival odds…
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Part 4
Reading the Model: Raise, Cut, or Hire
Key takeaways Your cash flow already told you to raise. The signal was there eight weeks ago — in the runway trend, in the AR that was slipping, in the burn that was ticking up while revenue stayed flat. The model had the answer. You just weren’t reading it. This is the pattern that shows…
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Part 5
When You’ve Outgrown the System
Key takeaways Over the course of this guide, you’ve built something real. A 13-week cash flow model that shows your runway to the week. A four-metric dashboard that catches problems before they hit the bank account. A decision framework that tells you when to raise, when to cut, and when a hire is actually justified…
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