Avalon Advanced Materials Inc., together with its subsidiaries, engages in the acquisition, exploration, evaluation, and development of rare metal and mineral properties primarily in Canada. The company focuses on exploring lithium, tantalum, cesium, indium, gallium, germanium, tin, yttrium, and zirconium deposits, as well as rare earth elements. It holds 100% interests in the Nechalacho project located at Thor Lake in the Mackenzie Mining District of the Northwest Territories; the Lilypad project situated in northeast of the Pickle Lake in Ontario; the East Kemptville project located to the northeast of Yarmouth, Nova Scotia; the Warren Township Anorthosite project situated in Timmins, Ontario; and the Separation Rapids project located in the Kenora in Ontario.

The company was formerly known as Avalon Rare Metals Inc. and changed its name to Avalon Advanced Materials Inc. in February 2016.