Management Consulting for Engineering, Purchasing, Manufacturing and Services Efficient growth is the crucial factor in the success of leading companies – and Lean Group's vision for consulting. As an international management consultancy, the Lean Group develops innovative concepts and solutions to improve the added value of industrial and service companies on a sustainable basis. The specialist consultants of the Lean Group combine industry-specific expertise with strategies to boost their customers' efficiency and competitiveness – with a pragmatic approach, on-site and using the very latest methods. The Lean Group's successes are based on its ability to meet its customers' demands for a steady gain in value, by applying customised programmes to streamline costs and performance and to prepare their corporate structures for the future.