We are recognised as an Official Efficacy Testing Facility for the production of biological data for pesticide registration dossiers in the European Union and Oxford Plant Sciences are licensed to carry out biological studies according to Good Laboratory Practice We have a strong reputation having delivered successfully on project objectives and client expectations over 25 years Our technical knowledge is developed continuously by dialogue between OPS, PSD and industry partners Oxford Plant Sciences was set up in 1983 and is one of the largest independent biological testing facilities in the UK In addition to providing the data for regulatory submission, OPS through our sister company,, provide registration consultancy and professional advice on UK and European registration requirements