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What is Rule of 40?

Definition

Rule of 40

The Rule of 40 is a software industry benchmark stating that a healthy SaaS company's combined growth rate and profit margin should equal or exceed 40%.

Detailed Deep Dive

The Rule of 40 is a key benchmark for mature SaaS companies. It recognizes that growth and profitability can be traded off: a startup growing at 80% can afford to run a -40% cash margin, while a slow-growing company (e.g., 10%) must generate strong profit margins (e.g., 30%) to remain healthy.

Frequently Asked Questions

Q:What parameters are combined in the Rule of 40?

Typically, YoY Revenue Growth Rate % + EBITDA Margin % (or Free Cash Flow Margin %).

Q:Who uses the Rule of 40?

It is primarily used by late-stage venture capitalists, private equity firms, and public markets to evaluate growth-profit trade-offs.

Quick Facts

  • CategoryMetrics
  • Key ApplicationLate-stage growth efficiency audits and public listing planning

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