Inventory problems are expensive in two directions at once. Too little, and you promise orders you can't fill. Too much, and cash sits on shelves in products nobody realized were aging. Both usually have the same cause: nobody has an accurate, current view of what's in stock, where.
A custom inventory system records every movement — receipts, transfers, sales, dispatches and adjustments — against the same records, so the figure on screen matches the shelf. We build them for businesses whose products, locations or processes don't fit off-the-shelf inventory software, and connect them to the rest of the operation: dispatch, billing, purchasing and, where you sell online, your store.
An inventory management system is software that records the quantity and location of every product a business holds, and every movement that changes it — so the business always knows what it has, where it is, and what needs reordering. A good one also connects inventory to the processes that affect it: purchasing, sales, production, dispatch and billing.
The core idea is simple: every change in inventory should be a recorded transaction, not an edit to a number. A system that records "50 units received from supplier X" and "12 units dispatched on order Y" can always explain its current figure. A spreadsheet where someone overwrites the total cannot.
Most inaccurate inventory comes from a few predictable gaps:
Sales or dispatches entered at the end of the day or week, so figures lag reality
The same transfer entered at both locations, or neither
Someone “corrects” a figure without recording why, and the history is lost
The shop, the online store and trade sales each keep their own number
Bought by the pallet, stored by the box, sold by the piece — with conversions done in someone's head
Items that come back or can't be sold never reach the records
A well-designed system fixes these structurally: movements are recorded where they happen, units are converted consistently, and every channel reads from one set of figures.
Stock levels for every product at every location — warehouses, branches, plants or vehicles — with one combined view.
Receipts, transfers, sales, dispatches, returns and adjustments recorded as transactions, so current figures can always be traced to their cause.
Purchase orders, deliveries and returns matched against what was ordered, so discrepancies are caught at the door.
Delivery notes and dispatch documents generated from the same records as the inventory, instead of written separately.
Early warning on items running short, and visibility of stock that has sat too long and is tying up cash.
Sizes, units of measure and variants set up the way your products actually differ.
Where you sell online, inventory can be shared with the store so customers only see what you can ship.
Current stock counts and records brought across, staff trained, and a parallel period before the old process is retired.
Source code and IP transferred on delivery.
✓ Inventory is the main source of problems
→ Sales, purchasing, finance and inventory all disagree
✓ Sales and accounting tools work adequately
→ Several core systems need replacing
✓ You want a faster, smaller first project
→ You want one system across the business
Many businesses start with inventory and dispatch, then add sales, ledgers and reporting as later phases — growing into a fuller system without replacing what's already built.
Manufacturers, distributors and retailers where inventory is tracked on paper or per-site spreadsheets. Usually one of these:
Main factors:
Off-the-shelf tools suit simple products at one location. A custom system makes sense with multiple locations, complex units or variants, production alongside warehousing, or when dispatch and billing need to share the same records.
Yes, so the store only shows what's actually available.
Yes. Sales, ledgers and reporting can be added as later phases.
Usually through a counted opening balance for each location, imported before go-live, after which every change is recorded as a transaction.
You do. Source code and IP transfer on delivery.
Tell us how many locations and product lines you run, and how inventory is tracked today. We'll tell you what a first phase would cover.