Products are developed based on the Business Requirements. The Software Product should function as per the Requirements both Functional and Technically. The various user scenarios and Non-Functional Parameters are to be tested as per the Traceability Matrix.
The Customer can only know whether this is achieved by conducting Functional and Performance Testing. It is important to trace a user requirement to the end product through various stages of the Product Development Cycle.
We could work with you toThe Performance Testing and Outcomes should relate to the Non Functional Requirements specified at the time of requirement gathering. Hence, initial business analysis is closely related to the end product.