1. Small Business Entrepreneurship

It is usually started solo and has a local consumer base with less focus on scalability. Salons, restaurant owners come into this category. 

2. Scalable Startup

It has unique business idea and model that is scalable and solves a common problem. They are either built organically or made big with the help of investors.  

It is a type of entrepreneurship in which a business model is wrapped around a social cause. It tries to solve a community problem with entrepreneurship. 

3. Social Entrepreneurship

4. Large Scale Entrepreneurship

When big and established firms create a new company in another domain, it is called Large Scale Entrepreneurship.