A micro business is a small, low-risk business that can be started easily without much investment. It’s also sometimes called a “Mom and Pop” company because only one or two people typically operate it.
What is a micro business?
You may have never heard the term “micro business” before, but chances are you know many of these businesses. A micro business falls under the umbrella of a small business, meaning it emplotes fewer than 10 employees and generates a revenue below $50K.
from StartUp Mindset https://startupmindset.com/what-is-a-micro-business-and-how-can-you-succeed-with-one/