The eldest of the Al Rajhi family, he was engaged in other successful industries such as construction, real estate and agriculture.
After his father's move Riyadh to seek better business prospects, Saleh started his education under Sheikh Muhammad Ibn Ibrahim.
Sulaiman, who later succeeded his brother as head of the family conglomerate, was a teenager then, hired for a salary of $10 to do exchange delivery and messenger jobs for the shop.
Sulaiman, with the blessing of his older brother remained in Mecca and further expanded to Jeddah which was growing economically at the time as well.
It concentrated on the production of wheat, barley, watermelon, and an assortment of vegetable with an intercropping of date palms over 5,466 hectares of farmland.
The area had a unique characteristic which included high arability of the soil, availability of natural deep wells and low water tables.
As with the Al Batin project, the farms were initially planted with wheat and barley and subsequently transitioned the crop to palm dates.
In the 1990s Al-Rajhi turned over the reins of the heading the Al Rajhi Bank to focus on real estate and agriculture.
Aside from the main business of currency exchange and banking, Saleh Al Rajhi held various positions in other companies with the following designations: