Sumitomo Group has a long business history of 400 years. Today, each subsidiary of the Sumitomo Group has inherited Sumitomo's Business Philosophy.

Integrity first, profiting from integrity, benefiting from integrity

The origin of the Sumitomo's business philosophy can be found in the founder's precepts Monjuin Shiigaki, which is a letter that Masatomo Sumitomo, the founder of the House of Sumitomo, wrote and left behind about 350 years ago.

Masatomo lived as half-monk and half-layman in his late life. Known as the Founder's Precepts, the Monjuin Shiigaki offers morals and guidance to his family and disciples on how a merchant should conduct business and how to survive and prosper in the world. With five precepts, the Monjuin Shiigaki that offers easy-to-understand guidance on how a merchant should conduct business has been inherited as the family rules of the House of Sumitomo.

"Integrity first, profiting on integrity, benefiting from integrity" means not to go after short-term gains but to attach great importance to good faith. The management attitude that is aimed at prudence constitutes the essence of Sumitomo's business philosophy.