Delaware Series LLC is a unique business entity consisting of a Master LLC and more than one Series under the Master LLC. As per Delaware Limited Liability Company Act (DLLCA), formed in 1996, the LLC created under Delaware Divisions of Corporation doesn’t hold any predetermined structure and offers the benefits of limited liability and tax-friendly regimes to participating members. Think of Delaware Series LLC (also renowned as Master LLC) as an umbrella. Under this umbrella, an organizer can add as many divisions (known as Series). Further, every Series hold its own identity and can enter into contracts. Currently, there is no limit on the number of Series that can be added under Master LLC. However, as every Series has its own identity, the operations, managers, bank accounts, members, and even tax elections can vary.