Email Open RateSaaSSeries B
Email Open Rate for SaaS at Series B (Freemium)
2026 data · Sample size: 103 · Source: KeyBanc SaaS Survey 2026
25th %ile
16.6%
Median
20.2%
75th %ile
23.2%
90th %ile
25.7%
▼Trending down year-over-year
About This Metric
Percentage of email recipients who open a marketing or product email.
Unique Opens / Emails Delivered × 100
Higher is better · Unit: percentage
How to Improve
Segment lists by engagement level and personalize subject lines with recipient data. Send at optimal times based on timezone and past open behavior. Remove inactive subscribers quarterly.
Ehsan's Analysis
Every SaaS company I have advised at Series B stage that broke into top-quartile on this metric did one thing differently: they built internal tooling to track it in real-time instead of relying on monthly reports. The latency between signal and action is where value leaks. Build a dashboard that your team checks before their morning coffee.
EJ
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 Email Open Rate for SaaS at Series B?
Median is 20.2%. Top-quartile achieves 23.2%. Aim for top-quartile to attract investors.
How does Freemium model affect Email Open Rate?
The Freemium business model impacts this metric through pricing mechanics and customer behavior patterns. Benchmark against companies with the same model for accurate comparison.
How to improve Email Open Rate?
Focus on the primary driver for your stage. At Series B, the biggest lever is usually operational efficiency and product-market fit refinement.