Al Shelash founded Dar Al Arkan in 1994 in Riyadh. As of Q3 2024, the company had $9.3 billion in total assets and recorded revenues of $732.1 million in the first nine months of 2024. In February 2025, the company acquired the 1 million square-meter Orchid Land in Jeddah for $1.1 billion through an alliance with a group of investors. Al Shelash is also the chairman of the Saudi Home Loan (SHL) Finance Company, Quara Holding, and Al Khair Capital.