The Corporate Online Open Course or COOC refers to online courses provided by a given company to its employees and customers. Simply put, this type of course is not only aimed at employees, but also at potential candidates. It can also be aimed at prospects, customers and various suppliers connected with the company in question. Thanks to this method, learners can benefit from all pedagogical modalities including distance learning, collaborative work, gaming, etc. The COOC is also a powerful tool for developing the skills of any employee and for supporting the digital transformation within any organisation.