UK Quality and Accreditaion
Accreditation and Quality Assurance
ALS Laboratories (UK) Ltd operates in accordance with recognised accreditation standards across multiple UK locations and service areas.
UKAS Accreditation - Certificate 1314
ALS Laboratories (UK) Ltd holds UKAS accreditation covering the following locations and services:
- Coventry
- DOL
- Dublin
- Wakefield
- Field Services – Sampling and on-site testing
Accreditation Certificate | Schedule of Accreditation
This accreditation is supported by a corresponding schedule of accreditation covering the same locations and activities.
UKAS Accreditation – Certificate 1291
ALS Laboratories (UK) Ltd also holds UKAS accreditation for Hawarden. This is supported by a dedicated
schedule of accreditation specific to the Hawarden laboratory.
Accreditation Certificate | Schedule of Accreditation
Proficiency Testing
ALS laboratories in the UK participate in a wide range of external proficiency testing schemes to ensure the accuracy, reliability and consistency of analytical results. These include:
- CRYPTS, EQA, LEAP and QWAS – Microbiology and Cryptosporidium analysis
- Aquacheck, Contest and RTC – Organic and inorganic chemistry analysis
Specialist Licences and Certifications
ALS Hawarden holds a Plant Health Licence issued by The Food and Environment Research Agency (FERA). This licence permits the import of soil samples from overseas for analytical testing.
ALS’ Legionella testing laboratory, based in Coventry, holds a Legionella Control Association (LCA) Certificate of Registration. This laboratory utilises the MALDI-ToF confirmation technique to support robust and reliable Legionella analysis.



























