Xiphora Biopharma Consulting We are a UK-based consultancy offering nonclinical services to the pharmaceutical sector. The principal is a regulatory pharmacotoxicologist with over 30 years’ experience in industry, government and consulting. As well as general nonclinical consulting, we specialize in dealing with issues at the Quality-Safety interface, particularly impurity qualification and the safety assessment of excipients. Our services include Nonclinical Drug Development and Specialist Consulting.