Linda Lewis profiles Xero, the market leader in cloud-based accounting software which has been labelled by Forbes as the most innovative growth company two years in a row. This week they've been hosting their annual conference and expo in Battersea in London, unveiling a number of innovative add-ons to their software, such as auto-enrollment for pensions, and a link-up with Barclays and Microsoft to provide subscribers with more insights into how and where their money is going. Linda Lewis went along to meet the founders.