In 2026, creating a high-performance e-commerce site in Belgium will costbetween €5,000 and €60,000according to :
volume produced (catalog),
functionalities (payment, logistics, ERP, promotions),
design level,
the technology used,
and above all the service provider (freelance, agency, SaaS solution).
E-commerce is more than just an online store: it’s a way of doing business
commercial machine which must generate a clear ROI.
A
successful e-commerce site in 2026 must be :
rapidly (Core Web Vitals 90+),
conversion-optimized,
thought SEO,
stable,
extensible,
interconnected with your logistics & back-office.
Here’s the reference guide to defining your budget.
Quick price: How much will it cost to run an e-commerce business in Belgium
in 2026?
Type of e-commerce | Min. price | Max. price | Deadlines |
|---|---|---|---|
Basic e-commerce (≤100 products) | 5 000€ | 30 000€ | 8–12 weeks |
Advanced e-commerce (100-1,000 products) | 12 000€ | 45 000€ | 12-20 weeks |
Complete e-commerce / ERP-connected | 20 000€ | 60 000€+ | 16-28 weeks |
Marketplace, multi-store, multi-country | 40 000€ | 150 000€+ | 20-32 weeks |
Most common fork in Belgium (SME) : €8,000 to €25,000
1. Basic e-commerce (up to 100 products) - €5,000 to €30,000
Suitable for local shops, restaurateurs, novice retailers or companies testing online sales.
What’s included :
Catalog of up to 100 products
Simple variations (size, color)
Paiements (Bancontact, Stripe, PayPal)
Basic order management
Standardized product pages
Essential integrations (GA4, Pixel Meta)
What makes the price different:
Whether you need professional photos or not
Number of product page templates
Intra-Community VAT management
Local vs. national delivery
Custom design vs. theme
Recommended technologies :
Shopify for speed
WooCommerce on a tight budget
Astro + headless API for maximum performance
→ See also:Shopify / WooCommerce / Astro comparison
(/shopify-woocommerce-astro-comparison)
- Advanced e-commerce (100 to 1,000 products) - €12,000 to €45,000
For companies looking to set up an e-commerce site reliable, fast, optimized conversionwith automation.
What’s included :
Extensive catalog
Advanced filters & internal search engine
Complex promotions & discounts
Automated basket abandonment
Coupon system
Automated emailing
CRM connection
Ideal for :
Retailers with several ranges
D2C Brands
High-growth e-commerce SMEs
Boutiques with serious acquisition campaigns
Why the budget is rising:
Core Web Vitals optimization (critical in 2026)
Multi-category SEO architecture
Mass integration of product sheets
Automations marketing
Customized back office
- Complete e-commerce (ERP, logistics, multi-boutiques) - €20,000 to
€60,000+
For companies that structure their e-commerce as a “one-stop shop a true strategic sales channel.
What’s included :
ERP connection (Odoo, SAP, Zoho…)
Real-time stock synchronization
Order + invoice synchronization
Multi-language / multi-country
Multi-store / multi-brand
Pricing dynamique
Complex logistics rules
Accounting integration
Why these projects cost more:
Many APIs
More extensive testing + recipes
Heavy architecture (scalability)
Imperative performance (SEO + ROAS + CX)
- Marketplace or multi-vendor platform - €40,000 to €150,000+
It’s a software project, not just an e-commerce one.
What’s included :
Vendor management
Commission management
Split payments (Stripe Connect)
KYC & compliance
Seller dashboard
Moderation & automation
Advanced search & matching
Service providers :
→ Requires an expert e-commerce & platforms agency.
→ Numinam can frame & realize this type of project (by quotation
only).
5. What will affect the price of an e-commerce site in 2026?
Product volume & variations
The more products, categories, filters → the more complex the SEO and UX structure.
Selected technology
Tech | Cost | Notes |
|---|---|---|
Shopify | €€ | simple, fast, flexible |
WooCommerce | € | economical but high maintenance |
Webflow e-commerce | €€€€€ | very design, limited for large catalog |
Astro + backend headless | €€€€ | plus performant, scalable, SEO optimal |
Numinam prefers Astro for speed and SEO, coupled with Shopify or a headless backend.
Integrations: ERP, CRM, accounting
Each API = €1,000 to €4,000
Logistics & European VAT
Shipping rules and intracom VAT make the project extremely complex.
Automations marketing
basket abandonment,
upsell / cross-sell,
segmentation,
automated emails.
Performance & SEO
For e-commerce, performance = conversion.
But getting a site90+ Core Web Vitals requires +20 to +40% effort.
6. Recurring e-commerce costs (to be expected in 2026)
Realistic annual budget :1,200€ to 12,000€ / yearaccording to the ambition.
Hosting
WooCommerce: €200 - €600/year
Astro: €50 - €200/year
Shopify: €29 - €399/month
Maintenance
WooCommerce: €100 - €500/month
Astro: €50 - €200/month
Shopify: almost zero
SEO ongoing
€1,000 - €5,000/month
Automations / emails
€100 - €500/month
Paid acquisitions (Ads)
variable - butessential for scaling.
→ See also:Recurring website costs in Belgium
(/cout-maintenance-site-web)
7. Examples of e-commerce budgets for a Belgian SME
Case 1 - Local store (≤50 products)
Budget: 5 000€ - 12 000€
Tech tip: Shopify
Objective: get off to a good start
Case 2 - SME retail (100-600 products)
Budget : €12 000 - €30 000
Recommended tech: Astro + Shopify
Objective: SEO + performance + automation
Case 3 - Advanced e-commerce connected to ERP
Budget : 25 000€ - 60 000€
Recommended tech: Astro + headless backend
Objective: scalability & long-term stability
Case 4 — Marketplace
Budget: 40 000€ - 150 000€+
Tech: made-to-measure
Objective: platform model (Vinted / Airbnb type)
8. E-commerce mistakes to avoid
❌ Choose the least expensive technology
Shopify cheap = no automations → weak sales tunnel.
WooCommerce cheap = catastrophe performance & security.
❌ Neglecting performance
1 second loading time = +15% conversions.
Slow e-tailers lose out30 to 60% of their sales.
❌ Copy competitors’ prices
Your structure is not theirs.
They can have an ERP, automations, hidden processes.
❌ Underestimating recurring costs
The real cost of e-commerce isannualnot just initial.
9. How much to invest in profitable e-commerce in 2026?
Here are Numinam’s recommended budgets:
Level | Recommended budget |
|---|---|
Market test | 5 000€ - 10 000€ |
Ambitious SME | 12 000€ - 30 000€ |
Established SME with ERP | 25 000€ - 60 000€ |
Marketplace | 40 000€ - 150 000€+ |
10. Create your e-commerce with Numinam (2026)
Numinam develops e-commerce sites:
ultra-fast (Astro + headless),
scalable,
SEO optimized,
conversion-oriented,
connected to your tools (ERP, CRM, accounting),
with integrated AI when it brings a commercial advantage.
Average Numinam price: €8,000 to €30,000 for SMEs
→ Request a quote :
hello@numinam.com
