The Professional Association of Canadian Theatres (PACT) is a member-driven organization that serves as the collective voice of professional Canadian theatres. Its mission is to provide leadership and national representation for member companies. PACT helps theatre companies do creative work through various programs and practical assistance. The organization believes theatre makes a vital contribution to Canadian life. They strive to make theatre accessible to all Canadians. PACT works to ensure theatre companies reflect Canada's diversity.

PACT has a national geographic focus, serving over 170 member companies across Canada. Their membership includes diverse theatre organizations from coast to coast to coast. They serve theatre companies in rural and urban communities throughout Canada. Member organizations range from large performing arts organizations to smaller independent theatre companies. Their Toronto office serves as headquarters, but their work spans the entire country.

Program highlights include connecting members through regional meetings, town halls, and conferences. PACT negotiates labour agreements with organizations like Canadian Actors' Equity Association. They offer professional development for both artistic staff and arts administrators. PACT engages in federal advocacy to advance policies related to their members' concerns. They work with government departments and arts councils to support Canadian theatre. PACT provides a communications network to inform and connect theatres across Canada.