She is the founder and director of Herstreet [fr] (French: La rue des Femmes), an organization designed to help homeless women, mainly in the Montreal area.
[1][2] Couture was initially a consultant in organizational development (1976–77), then joined the Public Service Commission in Ottawa from 1977 to 1979.
She worked in the Movement Against Rape and Incest until 1987,[3] promoted literacy until 1991, and then joined the Centre for Women's Health from 1991 to 1993.
[4] She devoted herself to the cause of homeless women in 1994 and founded the organization Herstreet [fr] (French: La rue des Femmes).
[8][9][10] Couture participated in the activities of many community support groups and networks, and was a member of the board of directors of the Fédération des femmes du Québec, where she served for three years, organizing the Marche mondiale des Femmes (World March of Women).