Case Study20 July 2023

Series B Ready: Building the Financial Model That Closed a $100M Round

IndustryTechnology
ServiceFinancial Modeling
Result$100M Series B closed
Series B Ready: Building the Financial Model That Closed a $100M Round

The Challenge

The company had grown from zero to $8M ARR in three years on the back of a strong product and a well-networked founding team. But as they entered formal conversations with growth equity investors, their financial model became a liability.

It was built in Excel without version control, with hardcoded numbers scattered across tabs, no integration between the P&L and cash flow, and a headcount plan that simply multiplied last year's team size by 1.5. Early investor feedback was consistent: the model didn't inspire confidence.

The founder had a clear target — $100M at a valuation that reflected their growth trajectory — and a six-month window before the fundraise momentum stalled.

Our Process

We ran this engagement in three phases, deliberately compressed to preserve fundraise momentum.

Phase 1 — Model reconstruction (weeks 1–3). We rebuilt the model from first principles: a bottom-up revenue model disaggregated by customer segment, product tier, and geography; a cohort-based retention and expansion model; a sales capacity model linking quota-bearing headcount to pipeline and bookings; and a fully integrated three-statement model with dynamic scenario toggles.

Phase 2 — Investor narrative alignment (weeks 4–5). The numbers are only half the story. We worked with the founding team to align the model's structure to the investor narrative — ensuring the key value drivers the founders were pitching (net revenue retention, payback period, Rule of 40) were visibly, credibly supported in the model itself.

Phase 3 — Investor Q&A preparation (week 6). We stress-tested every assumption against the most common investor challenges — "what if churn is 20% higher?", "what does the path to profitability look like if growth slows to 60%?" — and built pre-calculated scenario outputs the founders could pull up instantly in any diligence call.

Key Outcome

The most valuable discovery in the rebuild was a cohort analysis showing that enterprise customers acquired in Year 1 had 140% net revenue retention — meaning the business had a genuine land-and-expand motion that the old model had completely obscured by averaging all customers together.

This single insight changed the investor conversation. Instead of defending CAC payback periods, the founding team was presenting evidence of a compounding revenue base with structural expansion built in.

Results

  • ·$100M Series B closed with a leading growth equity firm, oversubscribed by one additional co-investor
  • ·Valuation 35% above the founder's initial target, attributed in part to the clarity of the financial story
  • ·Three competing term sheets received; we supported evaluation of all three with a term sheet comparison model
  • ·Due diligence completed in 5 weeks — faster than average — because the model answered most questions before they were asked
  • ·Ongoing engagement: we now serve as the company's fractional CFO office through their growth phase

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