Customer verification
Lean Startup: how to design an innovative Internet product or service

The purpose of the customer validation phase is to test every aspect of the "sales" component. However, this does not mean hiring a sales team or rolling out a sales strategy and plan. At this stage, it is far too early: there are still too many uncertainties surrounding the business model.

The main task will therefore be to implement a series of quantitative tests to determine whether the product-market fit is strong enough to drive increasing sales.

Unlike in the previous step, the goal is no longer to test the various components of the business model individually, but to evaluate it as a whole.

Client validation is based on a number of key principles:

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