ChXout® is a registered trademark of Complement Genomics Ltd. and is based at the prestigious Durham Genome Centre in Lanchester, County Durham, UK.

Complement Genomics was formed in April 2000 with a vision to truly take DNA testing to the general public. We have since continued to bring forward new DNA testing services to both businesses and the general public in fields such as human identity testing, genotyping and Covid-19 screening.

Our rural idyll fortuitously led us to the sexing of peregrine falcons and so our flagship animal testing service chXout® was formed. We offer a range of services suitable for the general public, professionals and conservation projects alike.

From a busy “bird season” every year offering gender and parentage testing, we also now conduct Professional Services such as species identification DNA tests for bats and our Great Crested Newt eDNA service.

Here at chXout® we are passionate about conservation and biodiversity with ongoing development into our Citizen Science service and the sharing of interesting news updates, research and thoughts through our blogs and social media.  

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Other Complement Genomics Services

Geneblitz® is a DNA testing and molecular biology service company designed to serve the CRO (contract research organisation) and pharmaceutical sector with state of the art genotyping and phenotyping for clinical trials. Geneblitz® work through from phase I to post marketing surveillance at GCP (good clinical practice).

More recently, we have offered a full service testing for SARS-CoV-2 by PCR and which for consumers can be accessed via www.covid19geneblitz.com.

We also offer human identity testing direct the legal profession and social services via www.dadcheckgold.com and business to consumer via (www.dadchecksilver.com and www.thatdnacompany.com). This involves paternity and human relationship questions using DNA testing technology. Our UK based ISO/IEC 17025 accredited laboratories are recognised by the UK Ministry of Justice for section 20 paternity testing.

We are all based in the Durham Genome Centre.