With his brother Olivier and Martin Chinic, he operated an importing business. Quirouet was also a member of the Quebec Benevolent Society, serving as its president for several years. He served as a director for the Bank of Montreal at Quebec and was later vice-president of the Quebec Savings Bank.
Quirouet co-founded an import business with his brother Olivier and Martin Chinic. Additionally, he was a prominent figure in the Quebec Benevolent Society, serving as its president for several years. He held key positions at the Bank of Montreal in Quebec and later became vice-president of the Quebec Savings Bank.