Bio-Diagnostics Ltd is a specialised UK biotechnology company founded in 1979 and based in Upton-upon-Severn, Worcestershire. The company specialises in diagnostics and medical support services, including product distribution, medical logistics, contract manufacturing, research and development, and accredited laboratory testing, all taking place from its ISO 13485-certified facility. Bio-Diagnostics has established expertise in allergy diagnostics and dermatology, supplying high-quality testing solutions and specialist reagents to healthcare providers and laboratories.

With an expanding focus on respiratory diagnostics, Bio-Diagnostics is the sole UK distributor of the Bosch FeNO device, supporting the assessment and management of airway inflammation in asthma and related respiratory conditions. Recognised for its scientific expertise, quality-driven approach and strong customer support, Bio-Diagnostics partners closely with clinicians and industry to deliver innovative, reliable diagnostic solutions that enhance patient care.