Tier One Silver Inc. engages in the acquisition, exploration, and development of mineral properties in southwest Peru. The company explores for silver, gold, and base metal deposits. Its flagship property is Curibaya project located to north-northeast of the Tacna. It also holds interest in Hurricane, Coastal Batholith, and Corisur projects in Peru. The company was formerly known as Tier One Metals Inc. and changed its name to Tier One Silver Inc. in January 2021. Tier One Silver Inc. was incorporated in 2020 and is headquartered in Vancouver, Canada.