CRL – Customer Readiness Level
Understood, not assumed: How to truly validate customers
Customer Readiness Level (CRL) explained – with practical metrics & methods “We thought there was demand – but no one wanted to buy it.” Welcome to the heart of successful innovation: Customer validation.
What is the Customer Readiness Level (CRL)?
The CRL describes how well your idea, solution, or technology is understood and accepted by your target customers. From early assumptions (CRL 1) to scalable sales (CRL 9).
Why is this important?
Because real demand is not based on gut feeling, but on concrete validation.
The 9 CRL Stages at a Glance CRL Description
CRL 1 Idea: first assumptions, no validated insights
CRL 2 Initial market research, described need
CRL 3 First customer conversations, exploratory feedback
CRL 4 Problem confirmed by multiple customers
CRL 5 Interest & active involvement from target customers
CRL 6 Pilot usage or testing with positive results
CRL 7 First sales or signed pilot contracts
CRL 8 Structured sales system established
CRL 9 Repeatable, scalable sales in the market
Which metrics help validate customers?
Here are useful KPIs & indicators for each CRL stage:
CRL Key Metrics / Evidence
CRL 3–4 - Number of interviews, pain points, customer quotes
CRL 5 - Pilot requests, MVP feedback, usability test data
CRL 6–7 - Retention rate, Net Promoter Score (NPS), signed pilot contracts
CRL 8 - Conversion rate, sales pipeline metrics
CRL 9 - Revenue growth, repeat purchases, churn rate, CAC vs. LTV
NPS = Would customers recommend your product?
CAC/LTV = Customer acquisition cost vs. lifetime value
Tools & Methods for Customer Validation
Method Purpose
Problem interviews - Understand customer needs (CRL 2–4)
MVP/usability tests - Test reactions to early versions (CRL 5–6)
Landing page + CTA - Gauge interest quantitatively
Pre-sales / LOIs - Show market commitment
A/B tests / online campaigns - Explore responses across segments
Typical pitfalls
- Talking to yourself instead of real customers
- Asking “Would you buy this?” instead of “What do you do today?”
- Collecting feedback – but not integrating it into prototypes
- Target group too broad or undefined
Do you really know your customers?
→ Use the application form to assess your current CRL – and describe your next planned steps to increase it.
The form includes guiding questions and example metrics to help structure your validation.
This is part of
KTH Innovation
Readiness Level™
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
