ADVISIA OC&C Strategy Consultants | 6,767 followers on LinkedIn. uncommon sense | ADVISIA OC&C Strategy Consultants is a management consulting firm whose mission is to act as strategic advisor and change agent for leading companies, providing solid and sustainable improvements in their performance. We assist the top management of exclusive clients in dealing with issues of strategy, organization, technology and operations. From developing entry strategies to designing organizational structures and processes, our role is to work closely with our clients, helping them create, conduct and re-organize successful businesses and organizations.