food testing and environmental services


Laboratory testing certified for quality and quantity

Great experience:  We have more than 50 years’ experience. Our global network of offices and laboratories provides a wealth of expertise and technical competence agriculture and soft commodities sector businesses.

Unique competence: UKAS 4352accredited, GAFTA and FOSFA approved laboratory. Our highly experienced chemists use state-of-the-art analytical and laboratory equipment to deliver the most accurate microbiological and chemistry results. We’re widely known as a leader in testing and analysing grains, feed, oilseeds, oils, fats and a wide range of food products.

Exceptional services: Alex Stewart Agriculture is ISO 17025:2017 UKAS 4352accredited, while our laboratories are fully certified by GAFTA and FOSFA.

Global reach: Our presence in more than 40 countries worldwide ensures fast, flexible and comprehensive results.

International recognition: Respected international standards organisations recognise the excellence of our multi-faceted service. These Include:

  • Grain and Feed Trade Association (GAFTA).
  • Federation of Oil Seeds and Fats Association (FOSFA).
  • UK NIR Grain Network.
  • United Kingdom Accreditation Services (UKAS).
  • The Sugar Association of London (SAL).
  • Grain and Feed Trade Association (GAFTA).

Cost effective: We pride ourselves on our ability to provide value-rich, cost-effective solutions without ever compromising on quality or responsiveness.

Latest technology: We combine our state-of-the-art laboratory instrumentation with rapid electronic administration and documentation services, including time-saving benefits such as rapid online quotations and sample tracking.

Who chooses Alex Stewart Agriculture?

  • Producers of edible oils, seeds, fats, grains, sugar and molasses.
  • Buyers, traders and banks.
  • Farmers and cooperatives.
  • Food and drink producers.
  • Supermarkets.
  • Bio-energy refiners.
  • Environmental consultants.
  • Regulatory organisations such as GAFTA, GTAS, FOSFA, FAPAS, FEMAS, DEFRA, SAL, MPOB and NIR Grain Network.
  • Freight forwarders and shipping agents.
  • Other testing agencies and laboratories.

Alex Stewart Agriculture is an accredited UKAS 4352 laboratory working to ISO 17025:2017 standards.

For further information please call: +44 (0) 151 525 1488.

Click to find out more about our laboratory testing services for biomass, environmental, fertilisers, Food Test Lab, fruit, grain and feed, oilseeds, oils and fats, rice and sugar.

Our Business

Analysis - GAFTA & FOSFA Analysts

Food Testing Services


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For further information, call 44 (0) 151 525 1488 or Email Us.

All inspection business is subject to standard terms and conditions which are available upon request.

Our Locations

A Global Network