Guardian Metal Resources PLC is mainly involved in the exploration and exploitation of mineral resources in the U.S. The group operated as a single operating and reportable segment, being the exploration and evaluation of mineral resources in Nevada, United States. Its projects are Pilot Mountain Project located in Nevada; Tempiute Project Located in south-central Nevada; Golconda Summit Project located in Nevada; Garfield Project located in Nevada; Kibby Basin Lithium Project located in Nevada; and Stonewall Project located in Nevada.