Agricultural, Aquaculture, Environmental, Food and Soft Commodities
Independent, highly experienced and well respected throughout the industry, Alex Stewart Agriculture partners the FOSFA, GAFTA and UKAS approved A.Norman Tate, Huson & Hardwick and Food Test Laboratories to provide a complete range of animal feed and food testing, weighing, sampling and analysis, inspection, supervision, GAFTA cargo surveyors and FOSFA cargo superintendent services. These services cover products as diverse as molasses, fishmeal, grains, oilseeds, oils and fats, cereals, fertilisers, food and any other soft commodities or products associated in the food or animal feed chain. Environmental services and laboratories are located in Argentina, Chile, Norway, Peru and the UK. For more information about any of these inpsection and analysis services, please contact Mr Glenn Forbes:

T + 44 151 525 1488

Base Metals, Ferrous and Non Ferrous Ores & Concentrates
Our strategically located inspection operations cover all major load and discharge ports and refineries for base and non-ferrous metals such as copper, zinc and lead at all main locations in South American, Africa, Asia, Asia Pacific, Baltic Sea, Black Sea and European countries. Inspection services include full supervision of loading and discharge, inspection, draft survey, transportable moisture limits, shore scale or belt weighing surveillance, stockpile control, sampling. For all international base metals including copper, lead and zinc, ferrous ores such as iron and other bulk shipments, for inspections and analysis, please contact Mr. Stephen Russell: 

T: +44 151 525 2132

Ferro Alloys and Minor Metals
Alex Stewart International provides a comprehensive range of inspection, weighing, sampling, granulometry, sample preparation and also full analysis for minor metals, noble and bulk ferro-alloys including ferro-chromium, ferro-molybdenum, ferro-titanium, ferro-tungsten, ferro-vanadium; minor metal certification includes lithium, antimony and bismuth, manganese, vanadium, selenium and cadmium, tantalum and niobium, tungsten, cobalt, nickel, chromium, indium and titanium. For more information about these services at our laboratories, please contact Mr. Stephen Russell:

T: +44 151 525 2132 

Precious and Platinum Group Metals
Alex Stewart International has an extensive network of experienced precious metal samplers who carry out inspections for precious and platinum group metals including weighing and sampling of gold and silver bullion, high grade investment bars, jewellery, sweeps, residues, concentrates, electronic scrap,  auto and petrochemical catalysts, convertors, electronic, dental products, pharmaceutical, chemicals and oil  for the commodity trading, financial and also governmental sectors. We supervise all operations from weighing, drying, sampling, sawing, drilling, alloying and moisture determination through to incineration, melting, matting, crushing, milling, blending, and screen grading. Alex Stewart International supervise within the LMBA and LPPM Good Delivery and Proactive Monitoring (PAM) service schedule at all recognized International Bullion Vaults and Refineries, including London, Swiss and Italian precious metals refineries and international vaults in London, Zurich, Singapore, Frankfurt, Amsterdam, Hong Kong,  New York and Toronto. We are also approved by CME Group as an Assayer of NYMEX Platinum and Palladium Products, including testing for brand applications. For more information about precious metals inspection, weighing, sampling and analysis, please contact Mr. Andrew Smith:

T + 44 1708 472914

Solid Fuels
Quantity and quality inspection and certification services of all solid fuels including coal and coke for both supervision of loading and discharge, sampling and size analysis, stockpile control, moisture tests, are carried out in accordance with all international standards. Analysis procedures are determined in triplicate, tailored to customers’ requirements and would include ash fusion, mineral, sulphur and ultimate analysis, chlorine and fluorine, hard grove grindability, roga and free swelling indices. For more information about these services, please contact Mr. Kushal Roy:

T +91 44 2833 3010

Steel Scrap 
Alex Stewart International certifies the quantity and quality of ferrous, non-ferrous, electronic or plastic scrap material conforms to all contractual terms, conditions and also including all international regulations such as ISRI and GOST. Digital photographic evidence will be provided for all Pre-shipment Inspectionand Proof on Arrival for scrap metal inspections, inspection during loading and sealing of containers. Radioactivity testing and checking for the presence of hazardous or dangerous materials will also be rigorous to protect you from any unnecessary financial or environmental claims. For more information about scrap inspection, please contact Mr. Levent Delibas:

T +90 212 8711325 

Steel Products
Inspection services to the steel industry include safe full loading and discharge supervision of hot and cold rolled steel coil, finished and semi-finished steel products. Inspection services determine the quantity and quality of steel products either by weighing, sampling, testing and measurement or through visual observation. Depending on contract terms, cargo supervision services include weight determination at load and discharge shore scales or by draft survey, hold and visual inspection, tally and grading. For more information about steel products, please contact Mr. Levent Delibas:

T + 90 212 8711325


  • ASI Inspections, Loads and Discharge Operations
  • ASI Laboratory, Sample Preparation and Customer Services