1983

Professors Johnston and Holt launched a global External Quality Assurance (EQA) Scheme for immunosuppressants – the gold standard of reference for laboratories worldwide.

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1989

Founding professors established an analytical laboratory offering toxicology services – later renamed Analytical Services International (ASI) – at St George’s Medical School.

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1992

Became a member of the MHRA’s Good Laboratory Practice compliance programme to support an increasing workload.

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1998

Became a member of the MHRA’s Good Clinical Practice compliance programme.

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1999

Pioneered the use of advanced mass-spectrometry for forensic toxicology analysis

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2001

Commercial forensic toxicology service for Coroners and police established.

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2008

Became an international reference centre for clinical problems associated with substandard and falsified medicines.

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2011

ASI incorporated as a private limited company.

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2012

Appointed to the expert panel on drugs driving for the UK Department for Transport.

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2013

Appointed to the Expert Advisory Group for the Pharmacy & Poisons Board for Hong Kong.

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2015

Achieved ISO 17025 accreditation for forensic toxicology service.

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2016

EQA scheme sold and company streamlined to focus on bioanalysis and toxicology.

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2017

Instrumentation upgraded to include high resolution mass spectrometry.

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2018

Launched high throughput therapeutic drug monitoring services with results delivered via a dedicated and encrypted microsite for clinicians.

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The future?

We will continue to build on our strong foundation, investing in both our team and our instrumentation to offer the very best service we can to our customers, surpassing their expectations and placing excellence at the heart of all that we do.