Cellmark Orchid is a DNA testing company offering a DNA paternity testing service in the UK.
The company was established in 1987. It was the first private company to licence the DNA Fingerprinting technology from Alec Jeffreys and the University of Leicester. The company participated in the consultation process which led to the establishment of the Department of Health's voluntary Code of Practice on Genetic Paternity Testing in the UK. The company undertakes DNA testing on behalf of the CSA and the UK Visas scheme.
In February 2007 the company was targeted as part of a letter bombing campaign, one person was injured.