Accreditations - Alex Stewart International
Business Principals
Alex Stewart International provides quality-driven inspections and analysis services by working to International Standards and Quality Systems including accreditation by UKAS for ISO 17025:2017; by ASCB for ISO 17020:2012, by ISOQAR for ISO 9001:2015; and we are also approved members of GAFTA, FOSFA and the TIC
UKAS ACCREDITED TESTING LABORATORY 9924
Alex Stewart International Corporation Ltd – UKAS ISO 17025:2017 – Testing Laboratory 9924
UKAS ACCREDITED TESTING LABORATORY 9924
Accreditation for Minerals, Metals and Catalysts – Chemical and Physical Tests activities as described on our UKAS Schedule of Accreditation.
UKAS ACCREDITED TESTING LABORATORY 4352
Accredited in accordance with the recognised international Standard ISO/IEC 17025:2017 general requirements for the competence of testing and calibration laboratories.
Schedule of Accreditation issued by United Kingdom Accreditation Service
Schedule of Accreditation issued by United Kingdom Accreditation Service
ASCB Accreditation Certificate ISO: 17020:2012
Assessed by ASCB and has FULL INSPECTION BODY accredited status for ISO 17020:2012, Type “A” inspection and testing services
ASCB Accreditation Certificate ISO: 17020:2012
Assessed by ASCB and has FULL INSPECTION BODY accredited status for ISO 17020:2012, Type “A” inspection and testing services.
Alcumus ISOQAR Certificate Of Registration
This is to certify that the management system of Alex Stewart International Limited has been approved by Alcumus ISOQAR
Alcumus ISOQAR Certificate Of Registration
This is to certify that the management system of Alex Stewart International Limited has been approved by Alcumus ISOQAR
Alex Stewart: TIC Council Membership
Alex Stewart International TIC Council Membership Certificate 2024
LME Approved Sampler and Assayer
Alex Stewart International to be added to the group as an LME Listed Samplers and Assayers.
Our Locations
A Global Network
- ASI Inspections, Loads and Discharge Operations
- ASI Laboratory, Sample Preparation and Customer Services
- ASI Government Business Head Quarters








