You can look for an add on for quick books for strong inventory feature. QuickBooks + EMERGE can be a goodbo. Or Xero + EMERGE can be one of the bestbo. (Xero for accounting and EMERGE for inventory management) EMERGE App is an easy to use order & inventory management for smallpanies to boost productivity & drive higher profits. Some of the features which can be handy for you Manage yourplete workflow from sales purchasing and delivery. Complete sync with Quickbooks Xero. Integrations with shopify magento eBay Amazon Complex sales and purchase relationship forpanies keeping full partial orpletely no stock Inbuilt features to ship orders manage drop shipping purchases tracking payments and customer service. Provide a channel based & customer oriented performance report. Makes payment & invoices process easy. In-built tasks and notes feature enables users to collaborate on share and store files. Sales orders quotes and other documents can be created in PDF format and emailed to customers on the go from mobile devices. Check the product video to know more s Its first user free forever so feel free to sign up and see if it suits your needs. PS Obviously I am biased ( but just because I'm biased doesn't mean I'm wrong ;)) but if you are doing any kind of trading distribution business you might want to check out Quickbooks Inventory Management Add on s .