QuickBooks Integration Services | Sync eCom, CRM, Payroll Explore all QBIS services to sync QuickBooks with eCommerce, CRMs, payments and payroll tools. Automate your accounting. Start a free demo today! At QBIS, we offer powerful and flexible integration solutions to connect QuickBooks® Online and Desktop with your existing tools. Whether you're running an online store, managing employee payroll, or handling customer data in a CRM — our expert integrations help you automate accounting, reduce manual entry, and gain financial clarity. Choose from a wide range of services across eCommerce, payments, CRMs, payroll, shipping, and more — all built to fit your unique business workflow.