The verdict in three sentences
A B2B wholesale ordering portal costs between 30,000 and 90,000 EUR (excl. tax) in 2026, depending on client count, catalog customization and ERP/stock integration. The value comes from removing manual data entry: every self-service order saves 10-15 minutes of admin time and keeps stock accurate in real time. For a wholesaler with 200+ active clients, payback lands in 12 to 20 months.
What makes up the budget
A wholesale portal isn't a storefront catalog: each client sees their SKUs, negotiated prices, history and can re-order in one click. Stock integration prevents stockouts and phantom orders.
| Module | Role | Budget impact (EUR excl. tax) |
|---|---|---|
| Per-client custom catalog | filter allowed SKUs | 5,000 - 12,000 |
| Negotiated pricing & volume discounts | price per account | 6,000 - 14,000 |
| Recurring orders / re-order | one-click reorder | 3,000 - 8,000 |
| Real-time stock/ERP integration | live availability & price | 10,000 - 28,000 |
| History & PDF purchase orders | traceability, accounting | 3,000 - 7,000 |
| Multi-user accounts | buyer/approver | 3,000 - 8,000 |
ROI on processing cost
The core of profitability is the order-taking cost. A rep or assistant keying in an order received by fax, email or phone spends time and introduces errors. The portal shifts that task to the client.
| Metric | Before portal | After portal |
|---|---|---|
| Entry time / order | 12 min | 2 min (review) |
| Internal cost / order | 9 EUR | 1.50 EUR |
| Entry error rate | 4% | < 1% |
| After-hours orders | 0% | 30-45% |
| Reorder frequency | baseline | +8 to 15% |
| Order availability | 8am-6pm | 24/7 |
Mini case study
Fatou runs a food wholesaler in Dakar serving 380 restaurants and grocers. Her 4 assistants key in 5,200 orders/year received by phone and WhatsApp, at 9 EUR internal cost each, i.e. 46,800 EUR/year. Entry errors add credit notes and disputes estimated at 7,000 EUR/year.
With a 58,000 EUR portal, 55% of orders move to self-service in year one. Processing savings: 0.55 x 46,800 = 25,740 EUR, plus 5,000 EUR of avoided errors, i.e. ~30,700 EUR/year. The portal pays back in about 23 months, before counting the higher reorder frequency that lifts revenue.
FAQ
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How does a wholesale portal differ from a regular store?
It shows catalogs and prices specific to each client, handles recurring orders and connects to stock in real time. Payment is often on terms (30/60 days), not by card on every order.
How long to connect our stock/ERP?
From 4 to 10 weeks depending on the ERP and API quality. Real-time sync of availability and prices costs 10,000-28,000 EUR based on the number of flows.
Will our pro clients actually adopt it?
Adoption climbs fast if the portal beats the phone: one-click reorder, visible history, 24/7 ordering. Expect 40-60% switching in year one with onboarding support.
Can we start small then expand?
Yes: an MVP with catalog + pricing + recurring orders (30,000-40,000 EUR) validates usage, then you add ERP and workflows. It's the best way to control the budget.
What's the main gain to expect?
Order-processing cost (8-12 EUR each) and fewer errors. A wholesaler with 300+ clients recovers the investment in 12-20 months, before revenue upside.
Let's scope your project. Tell us your pro-client count, ERP and pricing rules, and we'll frame an MVP portal scope and a budget range. 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.
