QuickBooks vs. QuickBooks Enterprise: What is QuickBooks Enterprise? QuickBooks is usually sufficient for personal or smaller businesses. It can accommodate up to 5 simultaneous users in the Premier Version. However, QuickBooks Enterprise can accommodate up to 30 simultaneous access. QuickBooks Enterprise is tailored for larger scale operations such as manufacturers, wholesalers, and construction segments. QuickBooks Enterprise has the same functionality as QuickBooks (?#1-855-200-0590) but has more complex processes and features including advanced pricing, payroll, and inventory tracking. It also includes more data capacity, more sophisticated inventory management, and multiple entities. How do I contact QuickBooks support by phone?