We provide a reliable and robust approach to Drug and Alcohol Testing in the workplace. This is supported by a growing capability in Occupational Health Assessments

You can be confident of both a quality and rapid response to your service needs, whether it is in relation to a scheduled testing program, or as a result of an incident in the workplace.

All our testing products are manufactured under strict CE guidelines, and UKAS accredited laboratory facilities provide assurance of accuracy and consistency in laboratory analysis and confirmation testing.

Our analysis devices and services include, urine, oral fluid, hair and breath alcohol testing.

The benefits of working with Screen4 are:

  • Provide comprehensive worldwide management of drug and alcohol policies and programmes on behalf of our clients.
  • Work strategically with our clients to constantly update and implement the agreed policies and constantly monitor their effectiveness.
  • Provide dedicated account managers, giving a direct contact whenever advice or information is required.
  • Provide a prompt and reliable 24/7 ‘on call’ sample collection service within a ‘best endeavours’ 2 hr response time worldwide.

We provide the most comprehensive Random and With Cause Drug and Alcohol testing services across the globe, across all market sectors and currently within the Aviation, Maritime, Petrochemical, Transport, Workplace, Manufacturing and Security industries. Introducing an effective Drug and Alcohol policy into any workplace allows employers to conduct workplace drug and alcohol testing when required, we appreciate this can be a simple or complex process. We work closely with you to ensure that the implementation of policies is appropriate and robust. Our experience and range of testing options enable us to provide you with a comprehensive range of testing services and program management to compliment your Drug and Alcohol policies and enhance your operation.

Find out more about our work within the following industry and private sectors:


We are the world leader in Managed Random and 'With Cause' Drug and Alcohol Testing programs within the Aviation industry. We operate in over 40 countries worldwide.

Higher Education

We are here to help minimise the risk posed by Drugs and Alcohol and to be able to help institutions manage an effective deterrent across student population.


We provide Drug and Alcohol testing services to the Maritime Industry and can provide a robust and reliable collection program that meets the geographic and logistical needs of maritime organisations.

Occupational Health

Our team of mobile Occupational Health Technicians offer coverage the UK, providing a streamlined delivery of Workplace Medical Assessments for a wide variety of industries.

Police / Civil

We provide a robust support network to many areas of Civil Control and Policing across the globe, working to specific regional requirements and tailoring services to individual markets.


We have a proven track record of providing a significant and measurable deterrent to Drugs and Alcohol within the workplace environment.

Keep in Touch

Keep in Touch

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    (Yorkshire) Ltd
    17 Middlewoods Way
    South Yorkshire
    S71 3HR
    United Kingdom
    (Yorkshire) Ltd
    Estate Farm Office
    West Lane
    GL7 6AB
    United Kingdom
    (Middle East)
    PO Box 333966
    No 1 Sheikh Zayed Road
    (Hong Kong)
    Suite 811
    Tsimshatsui Centre, East Wing
    Tsim Sha Tsui East
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    10 Bourke Road
    NSW 2020
    Office 2125
    Almoayyed Tower
    21st Floor
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    Kingdom of Bahrain