Trust Sage 50 Quantum Accounting 2019 to help boost your Business & Increase Productivity With Up to 40 User Licenses! Sage 50 Quantum Accounting 2019 (formerly Sage Simply Accounting Enterprise) offers thousands of Canadian small businesses the comparable depth and breadth of accounting and management functionality of more complex and costly mid-market to enterprise-level accounting systems ? but at prices, small businesses can afford. Sage 50 Quantum Accounting boosts productivity and workplace efficiency with high-performance functionality that applies to every aspect of your business. In addition, the system has been architecturally designed to grow with your business ? the capacity to support an unlimited number of customers, vendors, and inventory items is built right in. Sage 50 Quantum Accounting includes all the benefits of Sage 50 Premiumwith Payroll Accounting.