Some of the clients of HNKC Systems are:
- Bangladesh Army
- Ansar-VDP Unnayan Bank
- Dhaka South City Corporation
- Dhaka North City Corporation
- Narayanganj City Corporation
- Savar Cantonment Board
- BKSP, GoB
- Directorate of Youth Development, GoB
- National Sports Council, GoB
- National Institute of Preventive and Social Medicine (NIPSOM), GoB