Cornerstone Virtual is a company founded by Stephane Vri in 2013 at Johannesburg in South Africa. Cornerstone Virtual focuses on bringing quality, cost-effective web based solutions to the business world. We deliver value adding web applications to business through innovative creation and quality design of web/mobile sites.Cornerstone Virtual Services exists because of your web development and mobile development needs. We understand what the Web has come to be and where it is going.