He went on to establish Partex Group, one of the largest companies in Bangladesh, consisting of over 70 factories and employing over 50,000 people.
[9] He expanded his business into food & beverages, steel, real estate, furniture, plastics, paper, power and energy, jute, agribusiness, shipyards, shipping, cotton, textile, construction, IT, cables, aviation, PVC, ceramics, telecommunication, logistics, fisheries, etc.
He was arrested by the caretaker government in 2007 during the 2006-2008 Bangladesh political crises along with most of the wealthiest people in the country at the time.
[11] On 8 April 2011, A Dhaka court framed charges against Hashem and eight members of his family and employees on a tax evasion case.
The case was filed by National Board of Revenue, which accused them of dodging 5.97 billion taka in taxes from 2006 to 2008.
[16] Having come from a modest background himself, Hashem has set up numerous charitable organisations and is widely acknowledged for his philanthropic work.