Protein Technologies Ltd (PTL) is an SME with its core business coming through contract research organisation (CRO) services. It also performs work as a Research Technology Organisation (RTO) and is heavily involved in R&D.

PTL specialises in molecular biology, protein chemistry and assay development for the use in diagnostics and biotechnology.

The company also provides contract research services to the biopharma industry in the fields of recombinant protein production (both upstream and downstream processes), protein engineering, molecular analysis and characterisation of small molecules; this being one of the company’s main value propositions.