Investment banks are the world's backbone of M&A advice services. These institutions must be distinguished from regular retail banks. The global environment has been dominated by technological advancements and disruption. Companies must adjust in a competitive environment as a result of these changes. Private companies that need to raise money can go public by selling securities. An Initial Public Offer (IPO) is the name for this procedure (IPO). An IPO provides other benefits in addition to selling stocks to the general public. When a private business goes public, Investment Banking Advisory is necessary. A merger would be acceptable if an organisation wishes to increase its overall performance in the market. M&A advice services would necessitate the use of a third-party expert.