The Bangladesh Financial Intelligence Unit (BIFU) and the Criminal Investigation Department (CID) of police will combat money laundering together.
The government agencies inked a memorandum of understanding at the CID Headquarters on Sunday.
Additional Inspector General Chowdhury Abdullah Al-Mamun, who heads the CID, and BFIU head Abu Hena Md Razi Hasan were present at the event.
BFIU is the country's central agency responsible for establishing an effective system for money laundering prevention and combating terror finance.
The CID chief expressed his hope that the deal would play a pivotal role in Bangladesh's economic growth.
CID's Deputy Inspector General Imtiaz Ahmed, Additional DIG Md Karul Ahsan, Special Superintendent of Police (Organised Crime) Md Mostafa Kamal were also present at the event.