The verdict in three sentences
A building materials wholesaler with 3 yards and 8,000 SKUs running inventory on an ageing ERP or spreadsheets suffers stock-outs on fast movers and overstock on slow ones. Custom multi-site inventory software costs EUR 30,000 to 60,000 in 2026 (about CAD 45,000 to 90,000 in Toronto) and ships in 3 to 4 months. A 40% drop in stock-outs and a 15% cut in tied-up inventory usually free more cash than the project costs within the first year.
The features that matter in building materials wholesale
The trade has its own constraints: heavy, bulky products, multiple units (pallet, metre, tonne, bag), strong spring seasonality, trade accounts and counter pick-up.
| Module | Function | Indicative budget |
|---|---|---|
| Item master | 8,000 SKUs, sales and stock units, pack sizes, families | EUR 3,000 to 6,000 |
| Multi-site stock | Quantities by yard and location, inter-site transfers | EUR 5,000 to 10,000 |
| Scan-based counts | Android handheld app, barcodes, cycle counting | EUR 4,000 to 8,000 |
| Automatic replenishment | Dynamic thresholds from sales and seasonality, supplier order proposals | EUR 6,000 to 12,000 |
| POS and counter interface | Real-time decrement, trade customer reservations | EUR 4,000 to 9,000 |
| ERP / accounting connector | Export to QuickBooks, Sage or existing ERP | EUR 3,000 to 7,000 |
| Dashboards | Turnover, days of cover, dead stock, stock-outs by family | EUR 5,000 to 8,000 |
2026 estimate, order of magnitude. Batch 1 (item master, multi-site, scanning) rolls out in 8 weeks.
Trade ERP module, standard software or custom
| Criterion | Stock module of a trade ERP | Standard inventory software | Custom software |
|---|---|---|---|
| Upfront cost | EUR 40,000 to 120,000 (full ERP) | EUR 5,000 to 15,000 | EUR 30,000 to 60,000 |
| Annual cost | EUR 15,000 to 30,000 | EUR 3,000 to 8,000 | EUR 4,000 to 7,000 |
| Multiple units (pallet, sq m, tonne) | Good | Limited | Full |
| Seasonal replenishment | Configurable, complex | Fixed thresholds | Dynamic thresholds |
| Integration with your existing POS | Replacement required | Rare | Yes |
| Implementation time | 6 to 12 months | 1 month | 3 to 4 months |
| Future changes | Vendor-dependent | Limited | Unrestricted |
If your accounting and sales ERP works for you, there is no need to replace it: custom inventory software connected to what you have costs two to three times less than a migration.
Expected gains after 12 months
| Indicator | Before | After 12 months |
|---|---|---|
| Stock-outs on the 500 A items | 120 per month | 72 per month |
| Average stock value | EUR 1,800,000 | EUR 1,530,000 |
| Annual inventory variance | 2.8% | 0.9% |
| Annual stock count duration | 3 days with yards closed | Cycle counting, no closure |
| Supplier order preparation time | 6 h per week | 1.5 h per week |
Mini case study
Steve, owner of a building materials wholesaler with yards in Toronto, Mississauga and Vaughan, carries EUR 1,800,000 of stock. Cutting it by 15% frees EUR 270,000 of cash, about EUR 13,500 a year in financing costs at 5%. Each stock-out costs about EUR 180 of lost margin when a contractor goes to a competitor: 48 avoided stock-outs a month represent EUR 103,680 of annual margin. With software at EUR 45,000 and EUR 5,000 a year to run, payback comes in 5 to 6 months, not counting the 3 days of closure for stock counts that disappear.
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FAQ
Do we need new scanners?
No, if your handhelds run Android 10 or later. Otherwise a rugged device costs EUR 400 to 900 each, with 2 to 3 needed per yard.
How is automatic replenishment calculated?
From the last 12 to 24 months of sales, seasonality and supplier lead time. Order proposals are approved by the buyer, the software never orders on its own.
Can we keep our POS system?
Yes, in most cases, through an interface that decrements stock in real time. This connector costs EUR 4,000 to 9,000 depending on the POS.
Does it handle transfers between yards?
Yes, with transfer slips, in-transit stock and scan-based receipt. Transfers often account for 10 to 15% of movements in a multi-site wholesaler.
How long does migrating 8,000 SKUs take?
Allow 2 to 3 weeks, including duplicate clean-up. It is often the moment to delete 10 to 20% of dead SKUs.
Let's scope your project. Send us your number of yards, SKUs and current tools: we price multi-site inventory software between EUR 30,000 and 60,000, deliverable in 3 to 4 months. Detailed quote within 48 h. WhatsApp +221 77 596 93 33.
Mohamed Bah
Fondateur, Kolonell
Passionate about digital and entrepreneurship in Africa, Mohamed has been helping Sénégalese businesses with their digital transformation since 2020. Founder of Kolonell, he believes every SME deserves a professional and accessible online présence.
