Erica, Peat & Diable Solicitors About Us EPD offer the premier defence service in London. We only defend and have an exceptionally high success rate. With offices in London and Essex, EPD Solicitors represent clients in courts and police stations across the country. We work as a team to bring you the best possible advice and representation at all stages of the criminal process; we have access to the best practicing barristers at the criminal bar as well as leading forensic scientists.