The purpose of this study is to analyze: 1) How is the existence of individual businesses (Sole Proprietorship) in business activities in Indonesia? 2) What is the Importance of the Legality of Sole Proprietorship for Business Actors in Business Activities in Indonesia? The research method used is empirical juridical with a statutory approach, concept approach, and case studies. The results showed that: 1) The existence of individual businesses in Indonesia is quite significant in efforts to develop the national economy, moreover it has been strengthened by the Job Creation Law which gives strength as a Legal Entity. 2) For business actors who have a business entity or individual business, having the legality of their business will certainly provide various benefits, including: Legal Protection Facilities, Promotional Facilities, Legal Compliance Evidence, Making it easier to get a project, facilitating business development.