Services rendered to the State Sector by Nihal Sri Ameresekere have been as follows:
1. Served as a Member of the Council of the Institute of Chartered Accountants of Sri Lanka (1976-1977), appointed by the Minister of Trade & Commerce
2. Served as a Member of the Council of the University of Sri Jayawardenepura, Sri Lanka (1982), appointed by the University Grants Commission
3. Served as Director and Actg. Chairman, of the State Pharmaceutical Corporation (1978-1980), appointed by the Minister of Health, on the recommendation of President J.R. Jayawardene
4. Served as part-time Finance Director and Actg. Chairman, of the Sri Lanka Transport Boards (1980-1982), in a Special Board constituted by President J.R. Jayawardene. Successfully computerized and managed the all-island monopolistic Bus Transport Industry, without receiving any State funds as subsidies, and receiving valuable commendations from visiting foreign review missions on his services
5. Served as Senior Consultant, heading a Team of Consultants, to re-structure the all-island State Bus Transport Sector, on a Project funded by the World Bank. The Project was not completed to its logical conclusion, due to the General Elections, which ushered in a new policy vision – see World Bank Project
6. Served as Senior Consultant and Counter-part Project Director, to establish the Secretariat for Infrastructure Development & Investment, to promote and develop economic infrastructure development projects, on a public-private partnership basis – see USAID Project
7. Served as part-time Advisor, Ministry of Finance (1994-1995), appointed by President Chandrika Bandaranaike Kumaratunga, to review and evaluate past privatisations, and to formulate a policy strategy and framework to carry out future privatisations.
8. Served as Chairman, Public Enterprises Reform Commission (2004-2005), appointed by President Chandrika Bandaranaike Kumaratunga, to take control of the messed-up privatization program, and to review and evaluate, as to what had transpired, and to carry out new transactions