By Catherine Amran, Director of Small and Medium Business, Virgin Media O2 Business Medium businesses (11-249 employees) are the heart of the UK economy, generating over £1.4 trillion a year and employing more than 7.5 million people. Their working environment is changing rapidly; according to a recent survey by Virgin Media O2 Business, medium business employees now spend just 25% of their time in the office. As businesses establish long-term …