What is Investment Banking
22 Jul 2025

What is Investment Banking?

Investment banking is a designated part of the financial sector that essentially aids corporations, governments, and institutions with sophisticated financial deals. Such deals typically involve financing, making mergers and acquisitions (M&A), underwriting securities, and providing advisory services.

But how does this field of banking operate in the current dynamic economic climate? This article will give comprehensive information on investment banking, the work of investment bankers, and the challenges of the industry.

How Does Investment Banking Work?

Investment banking acts as an intermediary between parties who need capital and those who are willing to offer it. Some of the core functions of investment banking are:

  • Mergers and Acquistions (M&A) - This investment banking service advises clients on acquisitions, divestitures, and mergers. For e.g. company ABC acquires another company to expand its product offering as per the advice of its investment bank.
  • Underwriting (Capital Raising) – This is a service in which the investment bank acts as a middleman to raise capital for the client from investors in the form of equity or debt securities.
  • Sales and Trading (Market Making): Investment banks facilitate buying and selling of securities such as stocks, bonds, derivatives and other financial instruments. Clients can access market insights to make informed decisions.
  • Research: One of the primary functions of investment banks is research, these institutions provide market research and analysis for investment decisions.
  • Asset Management: Many investment banks offer asset and wealth management services for HNIs (High Net Worth Individuals) and Companies.
  • IPO Management: They help a company manage its Initial Public Offering (IPO), from preparing documentation and estimating valuation to finding investors.
  • Debt Financing: Businesses can obtain loans and other types of debt financing with the assistance of investment banks.

Also Read: What Are Liquid Funds

Types of Investment Banking

Investment banking can be broadly categorized based on the services offered and the clientele served. The main types include:

Corporate Finance

This area is central to investment banking and focuses on helping companies raise capital through the issuance of equity or debt. Corporate finance teams also advise on mergers, acquisitions, and restructurings, working closely with clients who have investment accounts to structure deals, conduct valuations, and ensure regulatory compliance. Their expertise is crucial in guiding companies through complex strategic decisions and large-scale transactions.

Sales and Trading

Sales and trading divisions are responsible for buying and selling securities such as stocks, bonds, commodities, and derivatives on behalf of clients and the bank itself. Sales professionals build and maintain relationships with institutional investors, providing them with market insights and investment ideas. 

Traders execute transactions, manage risk, and ensure liquidity in the markets. This function is vital for efficient price discovery and smooth functioning of financial markets.

Asset Management

Asset management involves managing investment portfolios for individuals, institutions, and high-net-worth clients. Asset managers develop strategies tailored to clients’ financial goals, balancing risk and return across various asset classes. 

Functions of Investment Banking

Investment banking serves several purposes and roles in the current dynamics of the financial world:

Capital Raising

One of the major roles of investment banking is assisting firms in raising capital. This may be through issuing bonds (debt financing) or stocks (equity financing). The investment banks underwrite these securities, allowing the firm to access the required funds while handling risk.

Mergers and Acquisitions (M&A)

Investment banks counsel businesses on acquisition, sale, or merger with other companies. They help value firms, negotiate, and structure transactions to realize strategic goals.

Trading and Brokerage Services

Investment banks perform the role of brokers and market makers, trading securities on behalf of clients and themselves. This role helps to create liquidity and assist in efficient markets.

Asset Management

Some investment banks offer asset management services, overseeing mutual fund portfolio investments and other client assets to achieve specific financial goals.

Research and Analysis

Investment banks conduct in-depth research on markets, industries, and companies. This research supports trading decisions and provides clients with valuable insights.



Also Read About: Money Market Funds

Types of Investment Banks

Bulge Bracket Banks

These are the largest, multinational investment banks offering a full range of services globally. They handle the biggest deals and have extensive resources.

Middle Market Banks

These banks serve mid-sized companies and focus on deals smaller than those handled by bulge bracket banks. They provide personalized services with a regional or sector focus.

Boutique Investment Banks

Boutiques specialize in specific industries or types of transactions, such as M&A advisory or restructuring. They are smaller but offer deep expertise in their niche.

What Is the Role of Investment Bankers?

Investment bankers are the professionals who execute the functions of investment banking. Listed below are a few aspects of what their role entails:

  • Advise clients on raising capital and strategic transactions.
  • Conduct financial analysis and valuation.
  • Prepare detailed documentation for regulatory filings.
  • Manage the underwriting and distribution of securities.
  • Negotiate deal terms and coordinate with various stakeholders.

Their expertise helps clients navigate complex financial landscapes, saving time and reducing risks.

Difference Between Merchant Banking and Investment Banking

Here’s a quick comparison to help you understand the key differences between Merchant Banking and Investment Banking:

Aspect

Merchant Banking

Investment Banking

Primary Focus

Providing capital to businesses, equity participation, and advisory services

Underwriting, M&A advisory, trading, asset management, and capital raising

Investment Approach

Direct investment in client firms (private equity, long-term funding)

Acts as an intermediary between issuers and investors; rarely invests own funds directly

Typical Clients

Small and medium enterprises, private companies, startups

Large corporations, governments, institutional investors

Services Offered

Equity financing, project advisory, private placements, portfolio management

IPOs, bond issuance, M&A transactions, securities trading, research, asset management

Challenges and Risks in Investment Banking

Investment banking is a high-risk business with some challenges:

  • Market Volatility: A variable market may affect the success of deals and profits from trading.
  • Regulatory Compliance: Banks have to deal with intricate regulations, which differ per country.
  • Conflicts of Interest: It can be challenging to balance client interests and the bank's interests.
  • Reputational Risk: Failures or scandals can damage credibility.
  • Operational Risks: Errors in execution or technology failures can lead to losses.

Despite these challenges, investment banking remains a vital component of the global financial system.


 

Conclusion

Investment banking plays a pivotal role in the world of finance by helping entities raise capital, execute mergers and acquisitions, and navigate complex financial markets. Understanding what investment banking and its various types and functions is provides clarity on how these institutions support economic growth and corporate development.

Whether you are a business owner, investor, or finance enthusiast, appreciating the role of investment banks and bankers can enhance your grasp of the financial ecosystem. With expertise and strategic guidance, investment banking continues to be a cornerstone of modern finance. If you wish to transform your banking experience into a lasting partnership with a variety of exclusive lifestyle and banking benefits, consider opening a premium savings account with DBS Treasures.