Customer reviews help the customer decide and choose online and can no longer be ignored when you look at sustainable E-commerce. Several studies have already confirmed this, it's no longer the question ''if'' your services are reviewed but when, where and how. Consumers today want to do business with companies that are transparent, honest and relevant. Customer reviews provide this information and build trust to shop online. In particular reviews should be gathered through an independant method and Kiyoh reviews is such a third party. In addition to the platform itself we provide both entrepreneurs and big E-commerce advise and guidance how they should implement reviews in their business.