PSI is a global provider of IT solutions and services headquartered in Saratoga, CA with offices in the US, Canada, UK, and India. It has been in business since 2000 and offers services including software development, product lifecycle management, web and multimedia solutions, and testing. PSI has a large team of experienced professionals and maintains ISO 9001:2008 certification for its quality management processes. It focuses on serving startups, mid-sized companies, and large enterprises.