Director's Office, Deputy Director's Office, Administration and Finance
These provide overall guidance, direction and common services to the programs and operations of the National Gallery of Canada. Included in these common support services are administrative, financial, personnel, records, information and technology, bookstore, audit, facilities and security. Also it provides the secretariat for the Board of Trustees.

Collections and Research Branch
This Branch is responsible for the following operational areas: curatorial, registration, restoration and conservation, photography and a research library. The Branch develops a record of visual art, historic, modern and contemporary, situates that record within an international cultural context, and maintains documentary records on the condition and cultural and historical origins of the objects collected. Through the Library, the Branch provides a major study and teaching resource for Canadian and international artists, scholars and students, and interested members of the public.

Public Affairs Branch, Exhibitions and Installation Branch
These branches make the collection of more than 40,000 works of art and related knowledge accessible to national and international audiences through its displays of the permanent collections and special exhibitions, education services, publications, sales and media relations.

Canadian Museum of Contemporary Photography
An affiliate of the NGC since 1985, this museum undertakes a broad range of activities involving contemporary Canadian photographs and photographers. Its activities include acquisition and ordering of photographs, public programs, travelling exhibitions, loans, publications, educational programs, special exhibitions and national service.