Established in 2011 the Investment Board Nepal (IBN) is a high-level institution under the chairmanship of the Rt. Hon. Prime Minister for attracting and facilitating private investment including Foreign Direct Investment (FDI) and managing Public Private Partnership (PPP) in Nepal. It was established through the Act of Legislature Parliament in 2011 under the Investment Board Act 2011 with mandates revised later after the introduction of the Public Private Partnership and Investment Act (PPPIA) in 2019.

IBN functions as a central fast-track government agency to facilitate private investment in Nepal. It is a nodal agency for managing PPP projects. As per the PPPIA 2019, IBN is mandated to approve projects with an estimated project cost of Rs. 6 billion or above. IBN is responsible for implementation of PPP projects with an estimated project cost of Rs. 6 billion or above and hydropower and energy projects above 200 MW.