LTV:CAC RatioCybersecuritySeries B

LTV:CAC Ratio for Cybersecurity at Series B (Freemium)

2026 data · Sample size: 303 · Source: Lenny Rachitsky Newsletter Benchmarks

25th %ile

2.99x

Median

3.94x

75th %ile

4.73x

90th %ile

5.36x

▲Trending up year-over-year

About This Metric

Ratio of customer lifetime value to acquisition cost. 3:1 or higher indicates healthy unit economics.

LTV / CAC

Higher is better · Unit: ratio

How to Improve

This is the most important SaaS metric. Improve it by simultaneously reducing CAC through PLG and increasing LTV through expansion revenue. Target 3:1 minimum, 5:1 for best-in-class.

Ehsan's Analysis

Cybersecurity companies at Series B stage should track this metric weekly with a 4-week rolling average. The spread between p25 and p75 is where competitive advantage lives. Focus on moving from median to top-quartile before chasing top-decile performance. The compound effect of consistent 5% monthly improvement puts you in the top 10% within 18 months.

Ehsan Jahandarpour

AI Growth Strategist & Fractional CMO

Forbes Top 20 Growth Hacker · TEDx Speaker · 716 Academic Citations · Ex-Microsoft · CMO at FirstWave (ASX:FCT) · Forbes Communications Council

Frequently Asked Questions

What is a good LTV:CAC Ratio for Cybersecurity at Series B?

The median LTV:CAC Ratio is 3.94. Top-quartile companies achieve 4.73. Aim for top-quartile to be competitive.

How does LTV:CAC Ratio change by company stage?

LTV:CAC Ratio improves as companies mature. Later-stage companies benefit from scale and optimization.

How to improve LTV:CAC Ratio in Cybersecurity?

Focus on the primary drivers specific to Cybersecurity. Track weekly with a 4-week rolling average and iterate on the biggest lever.