Innovation and excellence

UMA S.A's automated and eco-friendly refining technology.

Our commitment to innovation and social responsibility guides everything we do. Our automated refining technology uses eco-friendly processes to minimise our carbon footprint and reduce our impact on local ecosystems. We offer our clients an outstanding experience and tailor-made solutions in precious metal refining and rough diamond trading.

What our technology delivers

Improve the quality of manufactured bars (kilobars and smaller)
Increase the value of these bars
Reduce employee safety costs
Reduce environmental control costs (green technology)
Reduce consumables
Reduce production losses

Need help acquiring precious metals or rough diamonds?

Our experienced teams answer your questions, guide you through the buying process and offer solutions tailored to your needs.