We offer independent analysis and inspection services for different areas. Our final products are Certificates or Reports made according to our clients requirements and under the regulations of the entities we are tied to. All our services reach international quality standards. Alex Stewart Argentina S.A. gives solutions to any analytical need requested by the client, since is prepared to make Research and Development of new techniques (R&D).


  • Global celebration for 30 year history of the company.
  • Worldwide Copper magazine recently referred to the re-accreditation of ISO 9001 Alexstewart Argentina. Ver aquí
  • Panorama Minero, the leading journal in mining in Argentina, gives us a brief interview, highlighting our growth. View here
  • Contribution to the overall development of gold
  • With the beginning of this year we are pleased to present the opening of a new extension of Alex Stewart, strategically located in Uruguay, which will allow us to bring better service. Notice of presentation
  • Recently, on November 22, 2013, ISO 9001 certified in Our Laboratory of Perito Moreno, Santa Cruz.
  • Getting to know the Laboratory settled in Perito Moreno, Santa Cruz, Argentina.
  • OAA (Organismo Argentino de Acreditación) has given to Alex Stewart Argentina the desired accreditation of ISO 17025 Standard on the determinations of Gold by fire Assay; and also Li and K on liquid brines.