It is regarded as the largest private bank in Sri Lanka in terms of net worth and capital.

[7] The Ministry of Finance of Sri Lanka revealed that the Commercial Bank of Ceylon was the biggest lender to SME sector for the year 2020 amounting to an estimated amount of 21.6 billion rupees which was 15% more than the second biggest lender to SME.

[10] Veteran judge V. Manicavasagar served as the first chairman of Commercial Bank when he was appointed to the position in 1969.

[9] The bank marked its centenary anniversary in 2020 and during the special 100th anniversary, the bank emphasized the main project focus on ‘Smart Classrooms on Science and Technology, Engineering and Mathematics (STEM) to be established in 100 schools in Sri Lanka'.

[11] The bank implemented and applied the Social and Environmental Risk Assessment System in Sri Lanka to screen lending projects which would pose zero harm to the environment.

[13][14][15] Thus, the bank achieved carbon neutrality for the entirety of its operations encompassing all of its 268 branches along with the main head office.

[17] In 2016, the bank launched Sri Lanka's first ever remittance card in order to ease the process of transferring funds from overseas to local beneficiaries.

[20] Commercial Bank also launched QR code enabled payment option called ComBank Q+ which facilitates cardholders to settle their outstanding credit card dues.

[26] In 2022, the bank introduced the First Time Home Buyers & Builders scheme that offers a free or discounted Decreasing Term Assurance Policy in order to eliminate or reduce burden of the cost of the loan protection insurance.

[30][31] In July 2003, CBC acquired Credit Agricole Indosuez's two branches in Bangladesh at Dhaka and Chittagong to become the first Sri Lankan private bank to establish operations outside the country.

[11][39] In 2021, the Financial Intelligent Unit of the Central Bank of Sri Lanka imposed a penalty of Rs.