In most countries, family businesses represent a fairly high percentage of all companies incorporated. Colombia is no exception to this behavior, where family businesses account for 70% of all companies, according to the Superintendency of Companies, which includes SMEs and large economic groups.This degree work aims to structure a model of efficient management for the company AJ Colombia SAS a midsize company that has been structured empirically, so after analyzing possible improvements processes are using tools like strategic change and reengineering, in addition to generating value through inventories.