The trust functioned as a subsidiary of RICB, with its purpose set to inculcate saving habits among the general public and to channel resources into productive sectors.

On 1st January 1992, the Royal Government conferred the Trust with the status of an independent financial institution.

Micro Banker was upgraded to iFlex Solutions' (now owned by Oracle) Flexcube in January 2003.

In order to provide better and faster services to clients, SMS and Internet Banking were launched in 2009.

On 12th April 2011, BNB launched Recurring Deposit and Rupee Denominated Prepaid card in partnership with Axis Bank, India.

It also has tie-ups with international money transfer services MoneyGram and Ria, to facilitate remittances.

He is assisted by a team of three Directors: Mr. Hem Kumar Acharya, who heads Banking Operations; Mr. Dorji Namgyel Rinchen, who heads the Customer Experience Department, and Mr. Dorji, who looks after the Corporate Services Department.

He is credited with stirring up the competitive landscape in banking in Bhutan[citation needed], and bringing in revolutionary changes of the time.