[3] In India he stayed at home of Sheikh Abdullah Al Fawzan who was a Najdi merchant settled in Bombay[4] and a representative of King Abdulaziz there.
[7] Following the capture of Mecca in 1924 he was sent by Abdulaziz there together with Hafiz Wahba and Abdullah Al Damluji, the other advisors of the monarch, to make observations in the city before his arrival.
[6] After the completion of the annexation of Hijaz Abdullah Suleiman settled there to combine the Hijazi finance and Abdulaziz's court treasury.
[9] Abdullah Suleiman began to deal with financial management of the country in 1928 when the related body was named agency of finance.
[17] Abdullah Suleiman prepared the first budget of Saudi Arabia in 1947 which was rejected by King Abdulaziz because of the inclusion of serious cuts in spending.
[18] Over time Abdullah Suleiman gained more power and appointed his brother and his son to the posts of the vice and deputy finance minister, respectively.
[12] During this period he met with Hjalmar Schacht who was a consultant of Aristotle Socrates Onassis and was Adolf Hitler's finance expert to negotiate the terms of an agreement to establish a state owned Saudi Arabian maritime tanker company.
[22] Following his retirement from government Abdullah Suleiman focused on business activities owning hotels and trading companies.
Peterson published a book entitled Saudi Arabia Under Ibn Saud: Economic and Financial Foundations of the State in 2018 focusing on the role of Abdullah Suleiman as minister of finance during the reign of King Abdulaziz.