One of the founders was Hussein Al Oweini, a Lebanese politician and businessman.

[4] By 1953, BLOM BANK started expanding and opened a branch in Jeddah, KSA.

[9] The Group conducts its worldwide operations through a network of banking and financial units, either directly or through its subsidiaries.

In January 2021 the company sold its Egyptian subsidiary to Bank ABC of Bahrain for $427 million.

[10] In terms of sustainability, BLOM BANK joined, in December 2014, the UN Global Compact committing to respect its ten principles, to take action in support of UN Goals and to submit annually a Communication on Progress Report.