Cousin DNA Testing

   5-10 business days. Worlds most accurate test.

Cousin DNA Testing

  • Establish if two alleged 1st cousins are related
  • 100% Accuracy with up to 99% Yes or 100% No
  • UKs Most Detailed Test
  • Up to 4 participants included in Price
  • ISO17025 and UKAS:ISO9001:2000 certified
£495.00 (inc. Vat)

Cousin DNA Testing explained


Cousin DNA Testing Explained

The 1st Cousin DNA Analysis is designed to measure the probabilities that the two alleged 1st cousins submitting specimens for testing are cousins. This test can be used for legal or for personal purposes.

Conclusive Range: less than 10% exclusion or more than 90% inclusion.
Turnaround Time: 5-10 business days. 
Participants: Up to 4 alleged 1st cousins. 
Other Details: Results are 100% accurate and may vary between 100% exclusion of relationship to 99.99% positive proof of relationship. Cannot test half cousins unless a direct maternal or paternal link can be established. DNA Worldwide test up to 68 DNA Markers meaning we can provide a conclusive result in 98% of cases.


Samples are collected from up to 4 alleged 1st Cousins at home or at a collection centre. The samples are obtained using a cheek swab (provided by DNA Worldwide). After, samples are sent to the laboratory, results will be available within 5-10 business days. 

Advanced DNA Testing Technology

DNA Worldwide test up to 68 genetic locations (DNA Worldwide is the only company to offer this level of testing. Other Accredited Labs test 16 genetic locations) and independently run every test twice to ensure that your results are the most accurate available.

DNA Worldwide is a global leader in DNA testing, certified to ISO 9001:2008 with its laboratory certified to ISO 17025 Accredited.

Recent Customers

"Fantastic and Speedy Service and happy with the result. Thank you for your help"

- Emma Chappell

"Excellent service, clear instructions on DNA test pack and results back very fast and efficiently. Liked being texted when the DNA pack was received by DNA Worldwide as well"

- Private Client

"The service was prompt, the instructions were detailed and appropriate and the results were delivered well before they were due"

- Alan Stewart


DNA Worldwide are certified to ISO9001:2008. Exceeding all UK and international requirements for DNA Testing through its ISO/IEC:17025 accredited laboratory Eurofins Medigenomix. 

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

"The results came earlier than the estimate which was great and was really appreciated as I had less time to be nervous"

- Stephanie Munro