Scalability is a system, which scales well will be able to maintain or even increase its level of performance or efficiency when tested by larger operational demands. It is the ability of something, esp a computer system, to adapt to increased demands. It’s concept ┬áis desirable in technology as well as business settings. In a financial context or within a context of business strategy, scalability describes a company’s ability to grow without being hampered by its structure or available resources.