QuickBooks Integration by QBIS Seamlessly sync orders, invoices and payments with QuickBooks Online and Desktop using QBIS. Automate accounting and save hours every month. Try QBIS now! QBIS acts as a powerful middleware that connects QuickBooks with various CRM systems, eCommerce platforms, POS systems, inventory tools, project management apps, and custom platforms. Whether you’re integrating Shopify, WooCommerce, Salesforce, Zoho, or in-house software, QBIS ensures data flows effortlessly between systems. This helps businesses maintain consistency across invoices, payments, customers, orders, inventory, vendors, and other accounting-related information.