This chart showcases probably the simplest of all known hierarchies. It is called a flat organizational chart for a reason. It comprises a CEO and four different individuals or managers working under his stewardship. There are no other hierarchies. These managers could be in charge of finance, marketing, operations, production, etc. It depends on the nature of the organization and its working style. This model works well in a small or medium-sized organization with little to no complexities, and things run with minimal hassle and require little formalization. There is also little chance of the information getting misinterpreted or lost in the process. It is because of the small size of the organization and its simple structure.