GMC’s journey is one of resilience, transformation, and purpose.
For over a century, we’ve been at the heart of Ghana’s mining legacy – growing from humble beginnings into a world-class operation committed to responsible mining, community development, and the national impact.
Ghana Manganese Company Ltd (GMC) has grown over 105 years to become one of the leading producers of manganese carbonate ore, committed to responsible mining.
The history of the manganese mine at Nsuta-Wassa covers a long period.
In summary, the Nsuta Mine has been in continuous operation for over a hundred and five (105) years – the last twenty-five (25) years being under the management of GMC.
The GMC Mining Lease Concession extends over an area of 170 square kilometers, for which the mining operations are mainly centered at Nsuta. The company has stayed true to its mission and has become one of the global leaders with the highest manganese-to-iron ratio ores in the market (Mn: Fe ~31) and is low in phosphorous, alumina, and other heavy metal impurities.
Embracing innovation and technology, GMC consistently pursues a program of continuous improvement.
Mining in GMC is more than extraction. We believe that developing natural resources is a powerful tool to change lives.
Our work fuels industries globally while driving sustainable development at home – through job creation, infrastructure investment, and community empowerment.
We are committed to ethical business practices, transparency, and accountability- ensuring that our operations uphold the highest standards of governance, fairness, and respect for all stakeholders.
We are committed to responsible mining that safeguards the environment. From land rehabilitation to waste management and water conservation, we actively reduce our footprint to protect natural ecosystems for future generations.
We believe our success is shared with our host communities. Through local employment, education support, healthcare initiatives, and infrastructure development, we are committed to creating lasting, positive impact in every community we operate in.
Turning our natural resources into lasting value- for our people, our country, and the future.
Our leadership team guides the company with integrity, expertise, and a clear vision for responsible growth and community impact.
Strong corporate governance is the foundation of our integrity and accountability.
