BigTime Software develops cloud-based time-tracking, billing, and project management software for professional services firms and licensed OEM partners. It offers browser-based interface for practice management that allows professional services firms to instantly deploy and connect to existing back-office services. BigTime Software also provides get time and expense tracking, WIP management, billing and invoicing, task and workflow management, and more. It serves accounting, architecture and engineering, consulting, creative, government contracting, IT services, and law firms in the United States, Canada, the United Kingdom, and Australia. Brian Saunders founded Edison's Attic in 2002 that became BigTime Software in October 2010. It has its headquarters in Chicago in Illinois.