IRESS Ltd. is a technology company, which provides software to the financial services industry. It operates through the following segments: Client and cost. The Client segment includes APAC, UK and Europe, Mortgages, South Afric, and North America. The Cost segment includes product and technology. The company was founded by Neil Detering, Hung Do, and Peter Dunai in June 1993 and is headquartered in Melbourne, Australia.