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Last Updated: 05/06/2026
Fortress Diagnostics
Belfast
Founded 2000
In vitro diagnostic reagents, test kits and analysers for clinical laboratories
Fortress Diagnostics is a Northern Ireland-based manufacturer of in vitro diagnostic products, supplying clinical chemistry reagents, immunoassays, haematology reagents, haemostasis consumables, serology test kits, quality controls and calibrators, and diagnostic instrumentation to hospitals, blood banks, and research institutions across more than 100 countries.
Operating from an ISO 13485-accredited facility at Antrim Technology Park, the company distributes through an established global network spanning five continents.