IRIS Practice Engine is a practice management system created specifically for professional service firms and their client relationships. Created by and for accountants, it is built with insights into your key metrics, which give you the clarity and confidence to make better business decisions. IRIS Practice Engine is a single system that can replace up to six applications a firm may be using. It’s comprised of Time and Expense Entry, Billing, CRM, Project Management (Workflow), Scheduling, Collections and Reporting functionalities.