James is a Solicitor who spent twenty years in private practice with Edge & Ellison, (now part of Squire Sanders, a global law firm), where he became Senior Partner. In 2001, he was invited to join the Board of Aggregate Industries plc, a £1bn construction materials producer with operations in the UK, Europe and the US, employing 12,000 people worldwide. As an Executive Director, he had responsibility for a range of functions and activities, including human resources, legal and professional services, communications, property and risk.
In March 2005, Aggregate Industries was acquired by Holcim Limited, one of the world's largest cement manufacturers and building materials suppliers. James continued as an Executive Director and Executive Committee member until 2011 when he left to concentrate on other business interests. He is a shareholder and Director of Nexus Professional Network, (an innovative supplier of professional services), Chairman of both Lone Start Land LLP and Chase Commercial Limited and owns a private consultancy business providing advice to businesses on strategy, business development and mergers and acquisitions.