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◈ Finance & Economics·2 min·Updated Mar 11, 2026

What is Investment Bank?

Investment Bank

Quick Answer

An investment bank is a financial institution that helps companies and governments raise money by underwriting and issuing securities. They also provide advisory services for mergers and acquisitions and facilitate trading of financial assets.

Overview

An investment bank plays a crucial role in the financial system by connecting those who need capital with those who have it. They assist companies in raising funds by issuing stocks and bonds, which can be used for expansion or other business activities. For example, when a tech startup wants to go public, an investment bank helps them determine the right price for their shares and manages the entire process of selling them to investors. Investment banks also provide advisory services, which means they help companies navigate complex financial decisions, such as mergers and acquisitions. When two companies decide to merge, investment banks analyze the financial health of both parties and suggest the best approach for the deal. This is important because successful mergers can lead to greater market share and increased profitability. In addition to raising funds and providing advice, investment banks engage in trading activities, buying and selling securities on behalf of their clients. This trading can help maintain liquidity in the market, allowing investors to buy and sell assets easily. Overall, investment banks are essential for facilitating capital flow in the economy, making them a key player in the banking sector.

Frequently Asked Questions

Investment banks provide a range of services including underwriting new debt and equity securities, assisting with mergers and acquisitions, and offering advisory services. They also help clients with trading and market-making activities.
Investment banks make money through fees charged for their services, such as advisory fees from mergers and acquisitions, and commissions from trading activities. They may also earn profits from underwriting securities.
Investment banks focus on raising capital, providing advisory services, and trading securities, while commercial banks primarily deal with accepting deposits and offering loans. Both play important roles in the financial system but serve different purposes.