GGAT Ltd is established to educate the public in archaeology. The Trust maintains and enhances the Regional HER, contributes to developing research agendas, and promotes knowledge and learning about the past. The Trust also provides archaeological planning management services for South Wales, provides general curatorial advice, and reports on portable antiquities.
Its project staff undertake assessments, evaluations, surveys, watching-briefs, building recording and excavations, and have had extensive involvement with major developments in the area. Projects staff also carry out monument assessment and survey works for Cadw.