This book is aimed at students or professionals who are starting their working life who are interested in acquiring knowledge of business administration and procurement to develop their activity taking into account the different functions they have to perform. It is important that they have a complete vision of a company, even if they are working in a specific department to make better decisions. Procurement personnel should acquire, in the first instance, a general knowledge of all the functions of the company, such as, Marketing, Finance, Operations, Human Resources, among others. It is intended that you learn this knowledge in order to speed up the learning curve and be an integral professional.