Know what you have, where it is, what it cost.
Stock levels, values and movements across every warehouse, kept in step with the books. Sell, receive, transfer or count, and the ledger updates itself.

Inventory, in detail.
Multiple warehouses
Stock by location, with transfers that keep a full trail.
Weighted-average cost
Valuation updates on every receipt; cost of sales posts on every sale.
Reorder suggestions
Minimum levels and suggestions based on actual sales velocity.
Counts and adjustments
Barcode-friendly counts; differences post as approved adjustments.
Units and variants
Sell by the piece, buy by the carton; track sizes and colours.
Batches and expiry
Batch, serial and expiry tracking on higher plans for regulated goods.
Three steps, no retyping.
Load items
Import items and opening stock from Excel.
Buy and sell
Receipts and sales move stock and post costs.
Count and reorder
Count by barcode; reorder from suggestions.
Same ledger, connected modules.
Questions people ask
Which costing method does One use?
Weighted-average cost, recalculated on every receipt. It suits most trading and retail businesses and is accepted under IFRS.
Can I track serial numbers or expiry dates?
Batches, serials and expiry are part of advanced inventory on higher plans.
Does it work with barcode scanners?
Yes. Standard USB and Bluetooth scanners type into One like a keyboard; the mobile app scans with the camera.
When is inventory available?
Inventory is planned for release v0.4 together with purchasing.
Start with one place for the whole business.
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