As of 2022, Mitsubishi Corporation employs over 80,000 people and has ten business segments, including energy, industrial finance, banking, machinery, chemicals, and food.

Iwasaki was placed in charge of the Tosa clan's trading operation, Tsukumo Shokai, based in Osaka.

[2] Following his death in 1885, his successor Yanosuke Iwasaki merged the shipping operation with a rival enterprise to form the Nippon Yusen Kaisha (NYK) and refocused Mitsubishi's business on coal and copper mining.

[4] After the war, the administration of Douglas MacArthur called for the dissolution of the "zaibatsu" corporations that dominated the Japanese economy.

[9] Berkshire Hathaway acquired over 5% of the stock in the company, along with four other Japanese trading houses, over the 12-month period ending in August 2020.

The company's Singapore-based petroleum unit, Petro-Diamond Singapore, incurred losses of approximately $90 million (13.2 billion yen) from derivatives trading.

This incident occurred when a trader who was responsible for crude oil derivatives for China allegedly manipulated the unit's risk management system and conducted unauthorized trades since January.

It was argued that through the use of public relations the corporation demonstrated to the world that Exportadora de Sal S.A., their subsidiaries facility off the coast of Mexico, was environmentally benign.