GrandBleu GrandBleu offers management consulting services to leadership and management teams of organisations. Our goal is to achieve better business performances for our customers by supporting professionals to discover and to benefit from their individual competences. Our professional services are focussed on the delivery of business knowledge, leadership skills and bringing in experiences of (inter)national business practices in order to achieve business objectives. Our performance and people development driven leadership style is applicable for business management, change management and sales development tasks for organisations in the private and public sector industries.