FREE GUIDE
Subject Lines That Drive Survey Responses
The subject line patterns proven to lift open rates — and the patterns that quietly halve them. Worked examples for B2B customer surveys.

What's inside
- The five subject-line patterns that consistently outperform in B2B customer survey sends
- The three patterns that look fine in a brief but quietly suppress response rates
- Worked B2B examples — transactional NPS, annual relationship NPS, post-onboarding CSAT
- A reminder-line swipe file for the follow-up send (different rules apply)
“Every change that we want, or any idea that we have, we can talk to Genroe and they will make it happen or do something to make it happen to the same effect.”
Bernice McLeod
Iron Mountain
Who it's for
- Marketing teams writing the next batch of customer-survey invitation emails
- CX programme managers wanting to lift open rates without rebuilding the survey
- Anyone running B2B transactional NPS or annual relationship surveys