HMG began as Al Olaya Medical Complex in 1995. As of December 2023, the group had 25 medical facilities, with a collective total of over 1,900 beds. In 2023, HMG’s team of over 17,000 people provided care to more than six million patients. In 2024, a major shareholder in HMG, Mohammed Abdulaziz Al Habib and Sons Holding Company, transferred 17.4 million shares to an affiliated investment portfolio they fully own, resulting in reducing the direct ownership stake from nearly 33.8% to 28.8% currently. Founder and Chairman Sulaiman Bin Abdulaziz Al Habib has a 40% stake in the company.