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DNA, Drug and Alcohol Testing

Cellmark provides Court approved DNA testing and forensic quality Hair Drug testing & Alcohol testing services to members of the public, local authority Children's Services teams, government departments and the legal profession.

Register a caseGet a Quote

DNA testing, Hair Drug testing and Alcohol Testing

DNA, Drug and Alcohol Testing

Cellmark provides Court approved DNA testing and forensic quality Hair Drug testing & Alcohol testing services to members of the public, local authority Children's Services teams, government departments and the legal profession.

Register a caseGet a Quote

Our Services

Cellmark was the world's first commercial DNA testing laboratory and today is one of the most trusted forward thinking DNA analysis companies in Europe. We apply the same high level of scientific expertise and customer service to our hair drug testing and alcohol testing to provide the complete package of analytical services for our customers.

    Legal DNA Testing  

Confidential, conclusive and court approved 'Next Day' DNA testing to establish paternity and as well as other relationship types.

    Immigration Testing  

DNA tests for individuals seeking UK Visas. Accepted by UK Visas & Immigration as well as immigration departments around the globe.

    Hair Drug Testing  

Our accredited hair drug testing service provides rapid, reliable scientific analysis, clearly reported and simply explained.

    Alcohol Testing  

Our alcohol testing service tests for evidence of chronic excessive alcohol consumption in both hair and blood samples.

    COVID-19 Testing  

We offer a comprehensive end-to-end COVID-19 testing service that is fully validated and approved by the Department of Health and Social Care (DHSC).

    Forensic Services  

Cellmark provides high quality, specialist forensic science services to support the investigation of a wide range of offences.

Information about your DNA test

We supply a 'Next Day DNA' testing service, as standard, to family law firms, local authorities and private customers. This applies to all the relationship types we test for and includes all testing for immigration purposes.

paternity test

Paternity Test

paternity test

DNA Paternity testing offers a scientific means of establishing whether a man is or is not the biological father of a child.

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Maternity Test

maternity test

Maternity tests are sometimes used by people who have been adopted to confirm their birth mother.

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Sibling Test

sibling dna test

A sibling test can be used to identify whether two, or more, children share the same biological parents.

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Twin Test

twin dna test

A DNA test can quickly determine whether twins are identical (monozygotic) or non-identical (dizygotic).

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Grandparentage Test

Grandparent DNA test

Grandparentage testing can establish family relationships even when the parents cannot be tested.

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Aunt or Uncle Test

Aunt or uncle DNA Test

Aunt/Uncle (Avuncular) testing can be used to confirm a relationship between a niece/nephew and an aunt/uncle.

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How much does a DNA test cost?

Cellmark provides a fast court approved service without compromising accuracy and quality, giving you the reassurance that your testing is in good hands. Our prices start from £324 (+VAT).

Next day DNA testing logo

How long does a DNA test take?

  1 Register your DNA relationship testing requirements by phone or online.

  2 We'll send sample collection kits to your chosen independent sampler.

  3 On return of all the DNA test kits we immediately begin testing.

  4 We will issue your test results report the next working day* - at no extra cost.

Does Cellmark provide 'peace of mind' testing?

In addition to legal testing we also provide a 'peace of mind' or 'curiosity' home DNA testing service. Please visit our DNA@home site for more information and to purchase one of our home DNA kits.

* Over 90% of our DNA testing reports are issued the next working day

Information about your Drug and Alcohol test

Hair Drug Testing

Hair Drug Testing

Hair Drug Testing

A non-invasive method of providing evidence of an individual's history of drug use. We test for more than 25 common 'drugs of abuse' and drug metabolites.

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Hair Alcohol Test

Alcohol testing

We analyse for chronic alcohol consumption by testing for the breakdown products of alcohol incorporated into hair, specifically EtG and FAEEs.

More Info  

Blood & Urine Alcohol Test

hair drug testing

Blood testing allows us to analyse levels of Carbohydrate deficient transferrin (CDT) and provide Liver Function Testing (LFT). A urine test detects levels of EtG and EtS.

More Info  

For an instant quote, please use our online Pricing Calculator  

Why choose Cellmark...

Cellmark is the UK'S most experienced DNA testing company, since 1987 we have conducted hundreds of thousands of tests. Cellmark's skilled staff and our strict, accredited, laboratory processes ensure that your testing is handled confidentially and carefully to produce rapid, reliable results.


UK Company

All our DNA and hair drug and alcohol testing is carried out in our own accredited UK laboratories. 


Nationwide sampling service

A professional and reliable DNA sampling and Hair sampling service that sets and keeps appointments.


Free confidential advice

Our experienced and knowledgeable staff are here to provide help and assistance.


Simple, Transparent Pricing

Next Day court approved DNA testing from £324 + VAT.


Online Registration

Registration of your testing is quick, easy and secure.


Instant Quote

Obtain a free hair drug testing quote instantly online

Accredited UK laboratory
Accredited UK laboratory
Accredited UK laboratory

As a member of the Ministry of Justice's list of accredited bodies, Cellmark is 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 ISO 17025 and certified to ISO 9001, ISO 14001 and ISO 27001 international quality standards.

UKAS Testing 2045
SGS ISO 9001 Logo
SGS 14001 Logo
SGS ISO 27001 Logo

Our Customers

Cellmark provides tailored testing services to meet the specific requirements of both our family law and private customers.

Solicitors and Barristers

Legal DNA testing

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


Local Authorities

Testing for Local Authorities

We provide local authority solicitors and social workers with the complete package of analytical testing services.


Private Individuals

DNA testing for the public

We’ve provided testing services for over 600,000 people - our customer services team will assist you every step of the way.


Cellmark testimonial

 I’ve had the pleasure of speaking to one of your agents using your freephone number . . . I would just like to say a massive thank you. Your customer services advisor has gone above and beyond her duties in my opinion . . . with her help and dedication I am able to put the stress and worries behind me.


Cellmark testimonial

 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.


Cellmark testimonial

 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.


Cellmark testimonial

 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.


Cellmark testimonial

 I just wanted to let you know how pleased I was with the excellent service I received from Cellmark recently. I was dealing with a particularly complex case and a difficult family, and your Customer Services team were very helpful and fantastic in making the sampling appointment arrangements after a number of cancellations. Your response times were good, your flexibility excellent and I will definitely be using your services again


DNA testing advice

Free Confidential Advice

We're here to provide help and assistance - call our customer services team (free) on 0800 036 2522

Monday 8.30am-7.00pm

Tuesday-Friday 8.30am-6.00pm

Our extended opening hours ensure you are able to speak to someone at Cellmark when it's convenient for you. You can also email us or text us on 07800 00 64 78.

Find out more