Al Hammadi has been the chairman for ADA since 2011. The company operates and owns 58 aircraft, including 51 helicopters. ADA recorded $1.4 billion in total assets as of September 2021 and $315.3 million in revenues for the first nine months of 2021. Al Hammadi is also chairman of Decovision and Tamouh Investments, vice chairman of the International Holdings Company, and a board member for Royal Jet, Maximus Air, Waha Capital, and other private companies. In 2017, he became a member of the Aviation Sector Development Committee.