The purpose of this study is to describe and analyze the characteristics of the one-tier system in an individual company following the enactment of Law Number 11 of 2020 concerning Job Creation (UU Cipta Kerja) and to analyze the legality of the principle of limited liability to the one-tier system in an individual individual company after the enactment of Law Number 11 of 2020 on Job Creation. The method used in this legal research is a normative method with a statute approach. Characteristics that can be seen from the one-tier system in this individual company includes, inter alia the establishment, capital, organs, shareholders and responsibilities. Meanwhile, the legality of the limited liability principal of the one tier system in an individual company can be seen in Article 153J paragraph (1) of the Job Creation Law, where it clearly states that principal. However, the limited liability system can only be apply to the one tier system in an individual company, as long as it obliges to the Article 153J paragraph (2) of the Job Creation Law.