BigTime Software develops cloud-based time-tracking, billing, and project management software for professional services firms and licensed OEM partners. It offers a cloud-based interface for practice management that allows professional services firms to instantly deploy and connect to existing back-office services. BigTime Software also provides 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.