Search "multi location auto parts inventory software" or "multi location inventory software" and most results split two ways: a couple of named parts-industry systems that mention multi-store support as one line on a feature list, and general warehouse-management platforms built for distribution centers rather than a small chain of counters. If you're running two or three locations — not a single shop, not a full distribution network — neither extreme quite matches what you need on a Tuesday afternoon when a customer at store B wants a part that's only in stock at store A.
Why a second location breaks single-store assumptions
Single-location inventory software can get away with one hidden assumption: there's exactly one shelf a part number can be on. Add a second store and that assumption breaks immediately — the same part number now needs a separate, accurate quantity per location, not one total split by guesswork. A tool that only tracks a single global quantity will show a part as "in stock" when it's actually thirty miles away, which is worse than showing it as out of stock.
The transfer is the part that's usually missing
Plenty of tools that claim "multi-location" support really mean "you can filter by location" — the location field exists, but moving stock from one store to another still means marking it as sold at the source and manually re-entering it as received at the destination, with a spreadsheet or a phone call bridging the gap in between. What a multi-location parts business actually needs is a transfer as its own record: pick a source, a destination, the items and quantities, and have both locations' stock update from that one transfer, with a log of who moved what and when.
What "per-location stock" needs to answer
Beyond the transfer itself, the real test of multi-location software is what it can answer in five seconds at the counter: how many of this part are at this store right now, and how many at the other one. Not a report you run later — a number you check while the customer is standing there, so you can either sell it, transfer it, or tell them honestly it's at the other location and offer to have it moved.
Where invoicing has to follow the location
The same split applies to selling, not just counting: a sale at store B should reduce store B's stock, not a single company-wide total that quietly borrows from a location that never actually shipped the part. If invoicing isn't location-aware, the two problems compound — you can't trust the count, and you can't trust which store actually sold what, which makes per-location margin and reorder decisions close to guesswork.
A concrete test
One check cuts through the marketing on this specific claim: create a transfer of a part from one location to another, and see whether the source location's quantity drops and the destination's quantity rises from that single transfer record — with a log you can look back at later. If "multi-location" in practice means two separate item lists you reconcile by hand, or a transfer that's really two disconnected edits, the software is location-aware in name only.
What to check beyond the transfer test
Past that one test: does a stock count or stocktake run per location, so one store's count doesn't distort another's numbers; does a sales invoice draw from and post to the correct location automatically, not a company-wide pool; can you see a specific part's quantity broken out by location without exporting a report first; and does adding a third location later mean configuration, not a rebuild. A system that only handles two locations as a special case usually struggles when a business actually grows into three or four.
Honest trade-off
If you're running a genuine multi-warehouse distribution operation — cross-docking, carrier integrations, pallet-level logistics across a dozen sites — dedicated warehouse-management software is the right tool, and this is a smaller, lighter category than that. This is really about the more common case: a parts business with two, three or a handful of storefronts or warehouses that needs accurate, per-location stock and a clean way to move parts between them, without distribution-center overhead it doesn't need.
Stokpax tracks stock per warehouse or location, not as one company-wide number: every item shows its quantity broken out by location, and moving stock between locations is a single transfer record — source, destination, items and quantities — logged and applied to both sides at once. Sales and purchase invoices post to the correct location automatically, and barcode stocktakes run per location so one store's count never distorts another's. It runs in the browser, imports items and customers from CSV, and starts with a 7-day free trial from $29/month.