Established in 1974, Commercial Bank operates in Qatar and has a presence in Türkiye through its fully-owned subsidiary, Alternatif Bank. It owns and operates the Diners Club franchise in Qatar and Türkiye. In June 2022, Commercial Bank closed a $750 million Asian syndicated term loan facility. In 2022, the bank recorded $772 million in net profits, an increase of 22% compared to 2021, while its total assets hit $46.5 billion. The Qatar Investment Authority owns 16.8% of the bank.