After retiring from the army with the last rank of Lieutenant Colonel, in 1951 Hasyim founded the Djakarta Motor Company.
The next few years, through Indonesia Service Company (ISC) Hasyim held the lucrative sole agency for import General Motors cars.
[2] In 1961, he—in conjunction with Ciputra, Jusuf Muda Dalam and Dasaad—founded PT Pembangunan Jaya, a construction company.
He was later secure contracts of Jakarta's government construction, such as Ancol Dreamland and Senen shopping stores.
Hasyim played a leading role in Indonesia's Chamber of Commerce, eventually becoming its chairman (1979-1982).