Chatoularios P.C. Institute of Questioned Document Studies is a company that deals with active Handwriting & Document Examination cases, court testimony, training and seminar delivery and also active research. Chartoularios applies the four-eyed principle and peer-review in each case from trained Document Examiners. Every active case is assigned to two trained Document Examiners. Chartoularios P.C. offers a complete laboratorial examination with cutting edge technology, including stereoscopic microscopes, Electrostatic Detection Devices, Video Spactral Comparator and Raman Spectrometers, and carries out specialized examinations at Staffordshire University. Chartoularios offers on a yearly basis training seminars for attorneys, trained document examiners and internal auditors. Chartoularios P.C. headquarters and main laboratory is situated in Peiraeus, and is in collaboration with authorized laboratories in Serres, Thessaloniki and Crete.