People often use the terms and roles of partners and principles interchangeably, but they both have their own roles within a company. In most hierarchies, one actually holds more power within a company than the other. In this article, we discuss what partners and principals are, list and explain some of their major differences and provide answers to some of the common questions concerning the two roles. A partner is an individual with a co-ownership interest within a company. They often have equal equity with other partners, but their role varies depending on the agreement. For example, a partner may not make decisions, but they are eligible for a percentage of all profits made.