SOS Inventory was designed to work closely with QuickBooks Online from the start. It provides full support for multiple locations so you can see how much inventory is in each facility at a glance. You can purchase and receive materials at each location, and ship orders from one or more locations. SOS Inventory also lets you track specific items, including serial numbers for each one. Plus, you can view the history of each individual item to see its specific profit-and-loss.