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 businesscommercial 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?

Most common fork in Belgium (SME) :8 000€ à 25 000€

How much will a website cost in Belgium in 2026?

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 pour aller vite

• WooCommerce on a tight budget

• Astro + API headless pour performance maximale

→ See also:Comparatif Shopify / WooCommerce / Astro
(/comparatif-shopify-woocommerce-astro)

2. Advanced e-commerce (100 to 1,000 products) - €12,000 to €45,000

For companies looking to set up an e-commerce sitereliable, fast, optimized conversionwith automation.

What's included :

• Extensive catalog

• Advanced filters & internal search engine

• Promotions & remises complexes

• Automated basket abandonment

• Coupon system

• Emailing automatisé

• 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

3. Complete e-commerce (ERP, logistics, multi-boutiques) - €20,000 to €60,000+

For companies that structure their e-commerce as a "one-stop shopa 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)

4. 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

• Paiements split (Stripe Connect)

• KYC & compliance

• Dashboard vendeur

• Moderation & automation

• Search & matching avancés

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

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€/an
Shopify : 29€ - 399€/mois

Maintenance

WooCommerce: €100 - €500/month
Astro : 50€ - 200€/mois
Shopify: almost zero

SEO ongoing

1 000€ - 5 000€/mois

Automations / emails

100€ - 500€/mois

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€
Tech recommandée : Astro + backend headless
Objective: scalability & long-term stability

Cas 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 à 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:

10. Create your e-commerce with Numinam (2026)

Numinam develops e-commerce sites:

• ultra-fast (Astro + headless),

• scalables,

• 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