Arab National Bank | 189,635 followers on LinkedIn. Faster, Simpler Banking for everyone | anb was established in 1979, by Royal Decree M/38, taking over the existing operations of anb in the Kingdom of Saudi Arabia. anb, a Saudi Listed Joint Stock Company, now ranks among the 10-15 largest banks in the Middle East. Headquartered in the capital city of Riyadh, the Bank is supported by Regional Offices in Jeddah and Khobar, and has a branch in London.