The Saudi Investment Bank (SAIB) (Arabic: البنك السعودي للاستثمار) was established as a Saudi joint stock, pursuant to Royal Decree No.

M/31 of 25 Jumada al-Thani, 1396H (corresponding to June 23, 1976) in Saudi Arabia.

[citation needed] The Saudi Investment Bank has a group of sister companies which are: Saudi Orix Leasing, and Amlak Global Finance and Real Estate Development.

The bank operates through a 52 branch network as at the 2019, including 10 ladies branches distributed throughout Saudi Arabia.

The Saudi Investment Bank engaged in the financing of quasi-governmental and industrial sectors and trade finance that includes import and export activities.