DNA Testing & Hair Drug Tests


Next Day DNA testing and forensic quality Hair Drug & Alcohol testing, for the public, solicitors and local authorities.

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  Next Day DNA Testing

Cellmark delivers a confidential, conclusive and court approved Next Day DNA testing service as standard across our comprehensive range of relationship tests.


  Immigration Testing

For individuals seeking UK Visas our results are accepted by UK Visas & Immigration as well as immigration departments in countries around the globe.


  Hair Drug Testing

Cellmark’s accredited hair drug and alcohol testing service provides rapid, reliable scientific analysis which is clearly reported and simply explained.


  Alcohol Testing

To test for chronic excessive alcohol consumption, as a minimum, we recommend our standard package which includes both Hair and Blood testing.


 The UK'S most experienced DNA tester

A history of innovation and service excellence, with an international reputation for quality. Since 1987 Cellmark has conducted hundreds of thousands of DNA tests. Our reputation for quality and customer service is recognised by our wide range of customers including members of the public, local authority Children's Services teams, government departments and the legal profession. 

 Court approved and accredited service

As a member of the Ministry of Justice's list of accredited bodies, Cellmark has been accredited to carry out parentage tests directed by the civil courts in England and Wales under section 20 of the Family Law Reform Act 1969. Our laboratory in Abingdon, Oxfordshire is accredited to ISO17025 and certified to ISO9001, ISO14001 and ISO27001 international quality standards.


Formerly part of one of the largest global pharmaceutical and chemical companies Cellmark was the world's first commercial DNA fingerprinting laboratory and today is one of the most trusted forward thinking DNA analysis companies in Europe.



If your samples arrive in our UK laboratory before 10am we guarantee to get the result to you by the end of the next working day by email.



The UK’s most experienced DNA tester for over 30 years and recommended by government departments, lawyers doctors and people just like you.



Cellmark's skilled staff and our strict, accredited, laboratory processes ensure that your DNA test is handled confidentially and carefully to produce conclusive results.



Just a few clicks, or a simple phone call away from getting a Quote@Court, or registering a case. We'll take it from there - making your life easier.



Every DNA test is carried out twice using a 24 DNA marker system to provide certainty, with accurate, high quality and reliable relationship analysis.

UK Service


Testing is conducted in our UK laboratories and our professional, Customer Service team are here to provide help and assist every step of the way.

Next Day DNA as standard

Next Day DNA


Cellmark delivers a next day DNA Relationship testing service - as standard - across our range of tests - including immigration and sibling cases.


Next Day DNA as standard

Our accredited hair drug and alcohol testing service is simple to understand, easy to organise and delivers comprehensive results.

  Cellmark delivers the complete package

Relationship DNA testing services

Relationship DNA testing services

Hair Drug and Alcohol testing services

Hair Drug & Alcohol Testing services

Who our customers are


Solicitors and barristers

Cellmark is the company of choice for many of the UK's leading legal practitioners.

Cellmark is accredited by the Ministry of Justice as a body that may carry out parentage tests as directed by the civil courts in England and Wales under section 20 of the Family Law Reform Act 1969.


Local authorities

The combination of our DNA and drug and alcohol testing services provide local authority solicitors and social workers with the ability to establish the true nature of individuals' familial relationships.

The results of our testing can provide significant evidence for cases involving the care, custody and adoption of children.


Healthcare professionals

Cellmark participated in the development of the original Department of Health voluntary Code of Practice on Genetic Testing, launched in 2001.

We still abide by its principles and those of its replacement the Human Genetics Commission's "Common Framework of Principles".


People just like you

We’ve provided testing services for over 500,000 people and our customer services team will assist you every step of the way.

Our skilled staff and strict, accredited, laboratory processes mean your test is handled confidentially and carefully to produce conclusive results.

  Thank you...

"I wanted to thank you so much for your help with this case. You really made this happen and we had the hearing today. Things will now be sorted out so much more quickly for this baby because of your efforts."


  Great Service...

"To Cellmark, Firstly I would like to say thank you to all of you for a great service. Just last night I received my DNA reports well with in my deadline period. Secondly the reason why I chose Cellmark out of 4-5 DNA companies from the list given was due to the fact that Cellmark responded to all my inquiries efficiently, professionally and promptly. Other companies were quite poor in that so I decided to go ahead with Cellmark."


  First Class...

"I would like to thank you and the Cellmark team for the first class customer service you gave me, the timely responses and the efficiency. My first time using Cellmark but I will definitely recommend to everyone. Your service can't go unnoticed and I hope your managers recognise that."


  Free Advice

We're here to provide help and assistance. Call our customer services team on 0800 036 2522 Mondays 8.30am-7pm and Tuesday-Friday 8.30am-6pm - or text us, email us or "chat" to us.

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