About Us

United gemstones Africa and precious Metals S.A

UMA S.A is much more than just a precious metals refining company.

Our commitment to innovation and social responsibility guides everything we do. At UMA SA, we are deeply committed to environmentally friendly practices. Our automated refining technology uses ecological processes to minimize our carbon footprint and reduce our impact on local ecosystems.

We are dedicated to providing our clients with exceptional experiences and tailored solutions. That is why we are the ideal partner for your precious metals refining and raw diamond trading needs.

Who Are We?

UMA S.A is much more than just a precious metals refining company. We are pioneers in using ecological technologies to transform natural resources into high-value products. Our commitment to innovation and social responsibility guides everything we do.

Environmental Commitment at UMA S.A
We are deeply committed to environmentally friendly practices. Our automated refining technology uses ecological processes to minimize our carbon footprint and reduce our impact on ecosystems.
Trust and Integrity
Trust is the cornerstone of our relationships with our business partners. We are committed to maintaining the highest standards of integrity, ethics, and transparency in all our activities.

At UMA S.A, we honor our commitments and constantly strive to earn the trust of our clients and partners.

Our Mission

UMA SA is committed to transforming the African mining sector by making it more transparent, responsible, and sustainable.

As part of the development of the Diamond and Gold industry in the Republic of Cameroon in particular and Africa in general, while taking into account the criteria and legislation of the Kimberley Process for diamonds, the OECD, the EITI, and GIRL;

The company 'UMA SA' aims to contribute to the Cameroonian State's policy of emergence by establishing a project to create an Office for Diamonds and Gold, which will be responsible for managing the processes of control, verification, security, adaptation to Kimberley Process requirements, expertise, evaluation, certification, and commercialization of Diamonds and Gold.

Notre mission s'articule autour de 5 piliers clés :

Ensure a Fair Price for Miners

Promote Responsible Mining

Finance the Sector's Development

Create an Integrated Value Chain

Develop African Expertise

UMA SA est convaincu que le développement responsable du secteur minier africain est un levier essentiel pour la croissance économique et la prospérité du continent.

Why Choose Us?

We are dedicated to providing our clients with exceptional experiences and tailored solutions. That is why we are the ideal partner for your precious metals refining and raw diamond trading needs.