Quality Assurance (QA) is the concern of all actors in the EO value chain from the Data acquisition to the end-user. It is a component of the value of any EO services or products. Companies are looking at solutions to smooth their process, to integrate various sources of data, to increase sales. Is current QA performance enough? How could we improve the QA? How could we use QA to increase the uptake of EO, improve the value of services and products?