Explore our facilities

Onyx’s UK and US locations support customers from early phase clinical development right through to commercialisation. Bringing together our world-class chemists and industry know-how, we are addressing global API supply needs for even the most challenging compounds.

Sunderland, UK

Our UK facility spans over 3,000 square metres and is home to our MHRA-accredited laboratories for R&D, custom synthesis and process development chemistry, alongside our specialist 50 L kilo-laboratories (ISO 8) for GMP manufacture of Phase I to III clinical trial materials. The facility is also licensed for the manufacture of low volumes of commercial drug substance, particularly suitable for orphan drugs. This site also houses our dedicated solid state, analytical and stability testing facilities.

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North Carolina, US

For over 20 years, our FDA-accredited pilot facility in the US has provided GMP manufacturing services across three multi-purpose GMP manufacturing suites up to 2,000 gallons / 8,000 litres.  With R&D facilities situated alongside GMP analytical laboratories (including stability testing) and manufacturing suites we offer all the advantages of internal tech-transfer for gram quantity processes through scale-up to multi-ton commercial manufacture.

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