The Researcher Service offers research assistance services. One of the main functions of this service is to ensure that access requests are routed and executed in accordance with the provisions of the Policy on Access to BALSAC Data for Research Purposes . The Researchers' Service is responsible for organizing student visits and internships at the BALSAC Project. It is also mandated to respond to general requests for information from the public.

The Researcher Service also provides technical and professional support to individuals wishing to use data from the BALSAC file for research purposes. The services provided can range from the development of a specific corpus of data for a research project to the realization of genealogical reconstructions according to the researchers' needs.