Our laboratories will be closed for the Jubilee celebrations between the 2nd-5th June, therefore during this period postage samples will not be processed or despatched, and Lateral Flow checks will not be conducted.

COVID-19 Testing Services

Accredited COVID-19 laboratory services to support the workplace and international travel

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COVID-19 Testing Services

Accredited COVID-19 laboratory services to support the workplace and international travel

Order Kits

Our Services

Workplace COVID-19 testing

Workplace Testing
Helping keep employees safe and supported

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Fit To Fly COVID-19 Testing Icon

Fit to Fly PCR Tests
Evidence of a negative test for travel

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Visit our shop to view the full range of travel and workplace COVID-19 testing services we provide. We offer discounts of up to 10% when buying more than one PCR travel test.

Approved COVID-19 Workplace Testing


Approved testing

Cellmark provides rapid, reliable COVID-19 PCR testing which is accredited to ISO 17025 by the UK Accreditation Service (UKAS).  Cellmark is listed on the Government’s website for general population testing as well as for Day 2, Day 8 and Day 5 ‘Test to Release’ services.  Our high-throughput testing laboratories are equipped with specialist facilities for COVID-19 testing and operate to stringent quality standards.  We provide comprehensive end-to-end COVID-19 testing services that have been approved by the Department of Health and Social Care (DHSC) since June 2020.

Cellmark is one of the largest forensic and DNA testing companies in the UK and provides a range of ISO17025 accredited services – UKAS registration number 2045. 

More about Cellmark . . .

Approved COVID-19 Workplace Testing


COVID-19 PCR Testing

Cellmark provides a highly specific COVID-19 laboratory testing service.  This sensitive PCR (Polymerase Chain Reaction) test detects the presence of COVID-19 viral RNA to identify people that currently have the virus.  This gold-standard laboratory test is recognised as the most sensitive type of COVID-19 test and therefore the most reliable way to detect the COVID-19 virus in the early stages of an infection.

Covid Variant Updates
Antigen test for COVID-19 Workplace Testing


Our Service

Cellmark has delivered COVID-19 test results for tens of thousands of people.

  •  Making sure that travelers can fly for holidays and business.
  •  Testing for the government to support front line healthcare workers;
  •  Ensuring that TV and film productions can keep to schedule;
  •  Keeping sporting events on track;
  •  Helping companies operate safely;

We work with organisations as well as with private individuals and offer a range of tailored service options underpinned by flexibility, reliability and service excellence.

Taking a sample . . .

COVID-19 Sampling

Virus inactivating sampling kits and simple sampling instructions - we can also provide a professional sampling service or our on-line ‘Verified by Video’ service

Tracked sample return

Tracked-24 hour return packaging to avoid delay or we can arrange courier return

Emailed Test results

Clear results emailed to you within 12-24 hours of sample receipt at one of our laboratories

What our customers are saying . . .

Care home COVID-19 Testing

 I strongly believe that through their first-class service and their fast turnaround of results, Cellmark are the reason the staff, residents and families have stayed safe.

CQC responsible manager
Care Home, Oxfordshire

Healthcare COVID-19 Testing

 Thank you for your support and COVID-19 testing services this week. Your flexibility, patience and brilliant delivery have been crucial in helping provide a robust service to our clients.

Commercial Director
Testing and Healthcare provider

Fit to fly Travel Testing

 Just to say thank you so much for everything over this really stressful time. Without you and the company I am not sure what we would have done. Thanks so much again.

Fit to Fly Customer