The verdict in three sentences
A B2B ordering portal for a wholesaler costs 30,000 to 70,000 EUR in 2026, over a 4 to 8 month timeline depending on ERP connection depth. Hosting and maintenance add 500 to 1,200 EUR/month. The return shows fast: orders placed 24/7, 40% fewer data-entry errors and a sales team freed from repetitive order-taking.
Wholesale portal modules and their cost
A successful portal rests on four pillars: a clear catalog with fast search, real-time stock, credit limit management per reseller, and one-click reorder from history. Each module is quoted separately.
| Module | 2026 range (EUR) | Key benefit |
|---|---|---|
| Catalog + B2B search | 6,000 - 14,000 | Find a product in < 10 s |
| Real-time stock (ERP sync) | 8,000 - 20,000 | No surprise stockouts |
| Credit limits per customer | 4,000 - 10,000 | Controlled credit |
| Fast reorder + lists | 3,000 - 7,000 | Recurring basket in 2 clicks |
| Multi-user accounts | 3,000 - 8,000 | Buyer / approver / accounting |
| Invoicing + delivery notes area | 4,000 - 9,000 | Self-service documents |
| QA + go-live | 4,000 - 9,000 | Guaranteed reliability |
A tight scope (catalog + stock + reorder) fits in 30,000-40,000 EUR; adding credit limits, roles and invoicing pushes toward 55,000-70,000 EUR.
Operations: the recurring cost not to forget
Beyond the build, a portal lives and evolves. Here are the 2026 recurring items to budget.
| Recurring item | Range (EUR/month) | Comment |
|---|---|---|
| Hosting + monitoring | 150 - 400 | Depends on traffic and SLA |
| Corrective maintenance | 200 - 500 | Fixes, security |
| User support | 100 - 300 | Resellers assisted |
| Minor enhancements | 50 - 200 | Continuous tuning |
| Monthly total | 500 - 1,200 | ~6,000 - 14,400 EUR/year |
Mini case study
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Karim, manager of a food wholesaler in Marseille, serves 180 resellers. His team of 3 salespeople spends 60% of its time keying in orders received by phone and fax, with ~7% errors (wrong SKU, quantity). He invests 52,000 EUR in a portal (5-month timeline, 800 EUR/month).
After go-live, 70% of orders move to self-service. Errors drop to ~2.5%, saving ~14,000 EUR/year in disputes and credit notes. Recovered sales time (~1.3 FTE redeployed to prospecting) generates ~9 new accounts/year. Combined, the portal pays back in ~20 months.
FAQ
Ordering portal or a full B2B e-commerce site? A portal targets your existing resellers (order and reorder); a full B2B e-commerce site also aims at acquisition. The portal is faster and cheaper (30,000-70,000 EUR versus 45,000-120,000 EUR).
Is the ERP connection mandatory? For real-time stock and credit limits, yes. Without it, you manage frozen data and lose the main benefit. Budget 8,000 to 20,000 EUR for this integration.
How long to go live? 4 to 8 months depending on modules and ERP. A first release (catalog + ordering) can ship in 10 to 14 weeks, with credit limits and roles following.
How do we really reduce data-entry errors? By letting the reseller order from an up-to-date catalog at their own prices: a 30 to 45% drop in errors is common, meaning fewer credit notes and returns.
What hosting for 24/7 access? Monitored hosting at 150-400 EUR/month with backups and an SLA suffices for most wholesalers; we size it by the number of connected resellers.
Let's scope your project. Tell us your reseller count, your ERP and the priority modules (stock, credit limits, reorder), and we'll quote the portal at the right scope. 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.
