Commercial bank

A commercial bank is a financial institution that offers a range of services, including accepting deposits, providing loans, and offering basic investment products to individuals and businesses.
Updated: May 30, 2024

3 key takeaways

Copy link to section
  • Commercial banks provide essential financial services such as accepting deposits, extending loans, and offering investment products.
  • They serve both individual customers and businesses, facilitating day-to-day financial transactions and long-term financial planning.
  • Commercial banks play a critical role in the economy by promoting savings, facilitating investments, and providing credit.

What is a commercial bank?

Copy link to section

A commercial bank is a type of financial institution that accepts deposits from the public, provides loans to individuals and businesses, and offers various financial products and services. These services include savings and checking accounts, certificates of deposit (CDs), personal and business loans, mortgages, and investment products like mutual funds and insurance. Commercial banks operate for profit and are regulated by national or regional authorities to ensure financial stability and protect depositors’ interests.

Understanding commercial banks in detail

Copy link to section

Functions of commercial banks:

  • Accepting deposits: One of the primary functions of commercial banks is to accept deposits from customers. These deposits can be in the form of savings accounts, checking accounts, or fixed deposits. Depositors earn interest on their savings, and the bank uses these funds to provide loans to other customers.
  • Providing loans: Commercial banks provide various types of loans, including personal loans, business loans, mortgages, and lines of credit. These loans help individuals finance significant purchases like homes and cars, while businesses use them for expansion, working capital, and other operational needs.
  • Offering investment products: Commercial banks offer investment products such as mutual funds, retirement accounts, and insurance policies. These products help customers grow their wealth and plan for the future.
  • Facilitating payments: Commercial banks facilitate payment transactions through services like wire transfers, electronic funds transfers (EFT), and payment processing for businesses. They also issue credit and debit cards to their customers.

Importance of commercial banks in the economy

Copy link to section

Commercial banks play a vital role in the overall economy by supporting economic growth and stability. They mobilize savings from individuals and channel these funds into productive investments. By providing credit, commercial banks enable businesses to expand, innovate, and create jobs, contributing to economic development.


  • Financial intermediation: Commercial banks act as intermediaries between savers and borrowers, ensuring that funds are efficiently allocated within the economy.
  • Risk management: By offering various financial products and services, commercial banks help individuals and businesses manage financial risks.
  • Economic stability: Through prudent lending practices and regulatory oversight, commercial banks contribute to the stability and resilience of the financial system.


  • Credit risk: Commercial banks face the risk of borrowers defaulting on their loans, which can impact their financial health.
  • Operational risk: Banks must manage various operational risks, including fraud, cybersecurity threats, and compliance with regulatory requirements.
  • Market risk: Changes in interest rates, economic conditions, and market dynamics can affect the profitability and stability of commercial banks.

Real-world application of commercial banks

Copy link to section

Personal banking: Individuals use commercial banks for everyday financial activities, such as depositing paychecks, paying bills, obtaining loans for major purchases, and investing in savings and retirement accounts. These services help individuals manage their finances, achieve financial goals, and build wealth over time.

Business banking: Businesses rely on commercial banks for a wide range of services, including managing cash flow, financing operations, processing payments, and investing surplus funds. Access to credit and financial services enables businesses to grow, innovate, and compete in the market.

Economic development: Commercial banks contribute to economic development by financing infrastructure projects, supporting small and medium-sized enterprises (SMEs), and facilitating international trade. By providing the necessary capital and financial services, commercial banks help drive economic growth and improve living standards.

For further exploration, consider learning about the differences between commercial banks and investment banks, the regulatory framework governing commercial banks, and the impact of digital banking on traditional banking services.

Sources & references
Risk disclaimer
AI Financial Assistant
Arti is a specialized AI Financial Assistant at Invezz, created to support the editorial team. He leverages both AI and the knowledge base, understands over 100,000... read more.