Private enforcement in business competition law enforcement has several weaknesses rendering it sub-optimal in its compensation function. This article proposes a reformulation of business competition law enforcement based on a hybrid model for enhancing private law. This article uses a normative method with laws and regulation, cases, and a conceptual approach: law materials in the form of laws and regulations and Business Competition Supervisory Commission and court judgements are analyzed using hybrid theory so the weaknesses of business competition law enforcement can be identified, then, the result of a reformation proposal can be obtained by evaluating the result of analysis which are presented argumentatively. The result of this research study shows that a privately triggered public enforcement pattern which is implemented in private enforcement cannot work as compensation function optimally. The weakness in regulating private enforcement has created many obstacles for the appellant of trade damage. It is necessary to reformulate the business competition law enforcement in the future by enhancing private enforcement. The enforcement is conducted by facilitating the claimants with diverse features which ease them to get compensation for the trade damage they suffer.