 Bertrand served as a city councillor for Quebec City Council from 1914 to 1927, 1930 to 1932 and 1936 to 1948.Bertrand ran as a Conservative candidate in the district of Quebec West in the 1921 federal election and finished second against Liberal incumbent Georges Parent.He ran as a Labour candidate in the district of Saint-Sauveur in the 1923 provincial election and won.