Percival is a developer and vendor of advanced software solutions for Central Securities Depositories with Central Registry (CSD / CSDR) and Share Registration and Transfer Agents (RTA). Today’s products from PSL include the REGARD system for RTAs, and the DEPEND system for CSD or CSDR operations. It was founded in 1986 in the UK, and since that time has developed and renewed its products continuously until the present, seventh development cycle. PSL’s first RTA system was implemented in 1986 and its first CSD system was implemented in 1997. With DEPEND, PSL have a 100% bid winning record for equities markets and have won 9 CSD contracts since 2008, spanning 21 countries. Our core team has been together for over 15 years and is the most tightly-knit, knowledgeable, and efficient team in the industry that is committed to the continuous improvement of its expertise and product quality.