Establishing a company is just a first step to make it a successful one. Some of the keys to grow a successful company is to secure the capital fund at the right time and to maintain the domination in the market. Acquisition is one of the performances that can be done by a company to pursuing continued growth, entering new market, etc. On other hand, a company can also perform Initial Public Offering/IPO to help it receives more funds for the sake of the company’s growth. In order to perform acquisitions or IPO, a company should do a preparation such as Legal Due Diligence/LDD to lower the risk factors. In Indonesia, LDD shall be performed before carrying out the transaction of acquisitions and/or IPO. This internship report is examining the differences between the implementation of LDD that is done for acquisitions that reviewed from Law of R.I Number 40 Year 2007 concerning Limited Liability Company, and the implementation of LDD that is done for IPO that reviewed from Law of R.I Number 8 Year 1995 concerning Capital Market, Regulations of Financial Services Authorities Number 7, 8, 53, and 54 Year 2017, and Professional Standard of Capital Market’s Legal Consultant. From the report, LDD that is performed for acquisition transaction is not obligated by the law, hence there is no specific documents that is required to be checked by the regulations. Meanwhile, LDD that is performed for IPO transactions are strictly regulated by the law.