Benjelloun's Father was a large shareholder in an insurance company that Othman later took over in 1988. He turned this into RMA Watanya. After purchasing the insurance company, Benjelloun expanded the Business venture into the banking industry. His banking enterprise, the BMCE Bank has its presence felt in at least 12 countries in Africa after it purchased the Mali-based Bank of Africa. The banking aspect of Benjelloun's Business career is worth $4 billion based solely on its market capitalization profits.