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Proficiency Testing

We provide proficiency testing schemes with localised support across a truly global network to over 12,000 laboratories in more than 160 countries, conducting over 1,700 proficiency tests each year. Proficiency Testing (PT) is a requirement for accreditation to ISO/IEC 17025 and ISO 15189.


At LGC we operate PT schemes across the food, beverage, environmental, clinical, pharmaceutical, consumer safety, forensic and petroleum sectors – your laboratory will get the support it needs in demonstrating the effectiveness of your quality system.


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2020 Proficiency Testing schemes now open

LGC Proficiency Testing schemes for a wide range of industries are now available to join for 2020, so whatever your quality needs, we have a sample to deliver the confidence in your results you're looking for.

Join schemes
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Quality control materials now available

We now offer a range of QC materials covering a wide choice of sectors, which can be used for staff training, method validation and ongoing method performance

Explore range

New PORTAL features

PORTAL, our secure web-based reporting & analysis hub, has been updated with new features, including interactive reporting, improved user interface & a PT event calendar

Learn more
  • 2020 Proficiency Testing schemes now open

    A sample for you, whatever your quality needs

  • Quality control materials now available

  • New PORTAL features

    Find out what’s new in PORTAL for 2019


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