He was appointed to the Advisory Panel on Industrial Organisation and served as Director of Materials Supply in the Munitions Department, and as chairman of the Commonwealth Minerals Committee.
from 1915, then chairman, of Broken Hill Associated Smelters (founded by Baillieu and Robinson) he was largely responsible for the expansion of that company's works in Port Pirie, South Australia.
[5] He served on the boards of many prominent Australian businesses, including:[2][3][4] Fraser was a council member, Australasian Institute of Mining and Metallurgy for 25 years, and president in 1923.
[6] He died at his home "Whernside", Albany Road, in Toorak, Victoria after a short illness, survived by Lady Fraser and two daughters.
[7] Colin Fraser married Canadian Mary Helen MacNamara on 20 March 1913 in London[1] and settled in Melbourne.