Hasan Ali Khan started his business career in 1969 by establishing a large flour mill in the interior of Sindh at Sukkur which he ran successfully until its nationalization by Mr. Bhutto's government in 1976. He left for Dubai to setup a business in association with International Timber Corporation (ITC), one of the largest building material conglomerates of U.K. He successfully operated the business for three years in U.A.E in joint venture with the Galadari Group. In the meantime, flour mills were de-nationalized and he returned to Pakistan to negotiate a joint venture with a French multinational group for the launch of their (LU Brand) biscuits in Pakistan.
In 1985-86 Continental Biscuits Limited was created as a joint venture between Hasan Ali Khan and the French food multinational giants, Danone, one of the largest manufacturers of food products in the world. Within the last 10 years Continental Biscuits Limited has become one of the largest manufacturers of biscuits in Pakistan with a net sales revenue of approximately Rs. 14 billion by the end of year 2016. Both Hasan Ali Khan and the Danone Group over the years took the company into major expansions. The total investment at current market value is estimated at Rs.7 billion. In the year 2007 Danone sold their biscuits category to Kraft Foods of USA. Today, Mr. Hasan Ali Khan’s family has a joint venture with Kraft Foods with a shareholding of 50.5% and 49.5% respectively.
The French Government conferred the French award of "Chevalier de l'Ordre National du Mérite", to Hasan Ali Khan in November 2004 in recognition of his services.
Hasan Ali Khan has been active in a number of industries and community organizations and serves on the Board of Governors for various universities. He was a Member, Managing Committee for the Overseas Investors Chamber of Commerce & Industry and was the Chairman of Sub-Committee on Investment, Infrastructure, Law & Order and Security. He has also been the Chairman of the Sub-Committee of the Chamber for Intellectual Property Rights. He is on the Board of Governors at Institute of Business Administration, Sukkur, Shah Abdul Latif University, Khairpur and Ziauddin University Hospital, Karachi. He is a member of IBA Corporate Leaders Advisory Board (ICLAB), Karachi. He was on the Board of Directors of Pak Arab Refinery (PARCO) and has been made Chairman PARCO by the Prime Minister of Pakistan in June 2011.
He has attended many seminars and international conferences on finance/commerce and business management in countries like China, Singapore, Indonesia, Malaysia and France. Hasan Ali Khan is a life long entrepreneur and philanthropist who believe seriously in Corporate Social Responsibility (CSR). For the last six years, together with the office of French Consul General, CBL has been the sole sponsor of Al-Mehrab Tibbi Imdad, a charitable organization creating hospices for the terminally ill poor patients in the country.