Highland Gold Mining Limited (Highland Gold) is a United Kingdom-based company. The Company is engaged in building a portfolio of gold mining operations within the Russian Federation. It operates in one principal area of activity, that of exploration and production of gold. Its segments include Gold production, Polymetallic concentrate production, Development and exploration, and Other. The Company's direct subsidiaries include Stanmix Ventures Limited, Stanmix Investments Limited (STIL), Stanmix Holding Limited (Stanmix) and Highland Exploration Kyrgyzstan LLC.