A startup (or startup-up) is a company typically in the early stages of its development. These entrepreneurial ventures are typically started by 1-3 founders who focus on capitalizing upon a perceived market demand by developing a viable product, service, or platform.
During the early stages of launching, startups are usually self-funded by members of the founding team — though 66% of startups secure funding through an investor or take out a loan to help fund their venture.
A startup is… focused on growth.
One feature that most people seem to agree on for the definition of a startup is a focus on growth. Small businesses may be happy staying small businesses forever, but a startup doesn’t want to stay small.