ShopifyPlusDevelopment:HeadlessStoreWithoutAppChaos

We're not theme installers. We build Hydrogen headless architectures and Checkout Extensibility for brands billing >€5M who can't depend on $10/month plugins.

<500ms TTI (Time to Interactive)
100% Core Web Vitals Passing
Performance Diagnosis View Architecture
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Service Deliverables

What you receive. No ambiguity.

Hydrogen headless or optimized Liquid 2.0
Checkout Extensibility with Shopify Functions
ERP connectors (SAP, Navision, Odoo)
Data migration without SEO loss
Audit and replacement of heavy apps
Training for your operations team

"App Hell" vs Custom Engineering

The app trap and how to escape.

You install 20 apps for basic functionality. JS jumps to 3MB. The site takes 6 seconds to load. Conversion drops to 0.5%. It's the standard Shopify death cycle. We replace heavy apps with lightweight custom code (Shopify Functions). We move logic to the backend. Your store flies and conversion skyrockets.

app/routes/products.$handle.jsx
// Hydrogen + Storefront API
export async function loader({ params, context }) {
const { product } = await context.storefront
.query(PRODUCT_QUERY, {
variables: { handle: params.handle }
});
return json({ product });
}
-80% JS Bundle
+40% Conversion
0 Apps

Executive Summary

For Management.

Shopify Plus development offers typical ROI of 3-6 months from conversion improvement. Complete migration in 8-10 weeks depending on complexity.

Requirement: >€500K/year revenue to access Shopify Plus. Main risk: loss of app functionality without equivalent. The Shopify account is yours, with full access and no lock-in.

3-6 months Typical ROI
8-10 wks Migration
+40% Conversion

Technical Summary

For the CTO.

Headless architecture with Storefront API (GraphQL). Shopify Functions for custom checkout logic. Metafields/Metaobjects for structured content.

Webhooks for ERP synchronization. Native PCI DSS compliance. Servers in Europe available (EU region) for GDPR compliance.

Is It For You?

Shopify Plus is for brands with volume and advanced requirements.

Who it's for

  • B2C brands billing >€5M/year needing enterprise performance.
  • E-commerce with "App Hell" needing to clean dependencies and improve speed.
  • Companies migrating from Magento/PrestaShop to a stable SaaS platform.
  • Teams wanting headless (Hydrogen) for maximum UX control.
  • Businesses with customization requirements beyond standard themes.

Who it's not for

  • Simple projects that a standard theme can solve without custom development.
  • B2B businesses with complex requirements (Net Terms, Price Lists) - BigCommerce is better.
  • If a Theme Store theme covers your needs without customization.
  • Companies expecting to "install apps" for everything (that's the problem, not the solution).
  • Projects where immediate time-to-market is more important than performance.

Shopify Plus Services

Architecture designed for high volume.

01

Checkout Extensibility

Shopify Functions replaces checkout.liquid hacks. Custom discount, validation, and shipping logic running on the backend. No third-party apps in the critical path.

02

Headless With Hydrogen

GraphQL API for catalog, cart, and checkout. React frontend served from edge. Static site speed, total design flexibility.

03

Native B2B

Shopify Plus includes native B2B: per-customer price lists, payment terms, quick orders. No $500/month apps that break. GDPR compliant.

04

Zero-Downtime Migrations

We parallelize the new store while the old one keeps selling. Switch in minutes with pre-configured 301 redirects. Zero SEO ranking loss.

Work Process

From legacy platform to Shopify Plus.

01

Mapping and Audit

Data extraction from your current platform. Existing app audit. Mapping of products, variants, customers, historical orders. Free initial audit.

02

Theme/Headless Development

Development in Hydrogen (React) for maximum performance or optimized Liquid 2.0. Mobile-first. Core Web Vitals passing.

03

Launch and Scaling

301 redirect strategy. Load testing. Post-launch monitoring. Training for your team.

Risks and Mitigation

Transparency about what can fail.

Loss of app functionality

Mitigation:

Prior gap analysis. Custom development with Shopify Functions for critical functionality.

SEO drop during migration

Mitigation:

Exhaustive URL mapping, 301 redirects pre-migration, GSC monitoring post-launch.

SaaS platform dependency

Mitigation:

Data is exportable, headless architecture reduces lock-in, documented contingency plan.

Team learning curve

Mitigation:

Training included, process documentation, 3-month post-launch support.

Enterprise Commerce Specialists

We're not an agency that "installs themes". We've been building high-performance e-commerce for 15 years. Hydrogen, Checkout Extensibility, complex migrations. Fixed rate because results matter more than hours.

15+ Years in E-commerce
60+ Shopify Projects
Lighthouse Score 95+
Reliability 100%

Investment

Prices updated January 2026.

Initial audit: free (app analysis + opportunities)
Full migration: custom Liquid theme or Hydrogen headless based on your needs
No lock-in: the store is yours
Shopify Plus license: ~€2,300/month (paid to Shopify)
Post-launch support: 3 months included

Frequently Asked Questions

What e-commerce directors ask.

Why Shopify Plus and not Magento or WooCommerce?

Shopify Plus is SaaS: automatic updates, managed security, 99.99% uptime. Magento requires dedicated DevOps. WooCommerce scales poorly. For >€5M revenue, Shopify Plus is the standard.

Can we keep our current apps?

We audit each app: performance impact, native alternative, criticality. Reviews and email marketing apps usually stay. Popup and countdown apps usually go. Goal: minimal, fast stack.

Is Hydrogen necessary or can we use Liquid?

Well-optimized Liquid 2.0 can pass Core Web Vitals. Hydrogen is for: maximum speed, highly custom designs, or when you need React. We recommend Hydrogen for >€10M/year.

What happens with SEO during migration?

We map all URLs. Configure 301 redirects before the switch. Validate with Screaming Frog. Monitor GSC for the first weeks. +100K URLs migrated without loss.

Is Shopify GDPR compliant?

Yes. Shopify offers servers in Europe for Plus. We configure CMP, compliant privacy policies, and data deletion options. Certified for EU-US transfers.

How long does a complete migration take?

8-10 weeks typically. Includes: data mapping, development, app audit, redirects, training, and stabilization period. No rushing that compromises quality.

Do you work with international companies?

Yes, we're a Shopify Plus agency with 15+ years of experience. We work with clients across Europe and the Americas. Video conference meetings available.

What if it doesn't work?

The store is yours from day one. If you're not satisfied, you can hire another partner. No lock-in. We document everything to facilitate transition if necessary.

Is Your Shopify Slow Because of Apps?

Free performance diagnosis. We analyze your "App Bloat" and tell you what's killing your conversion. No commitment.

Request Diagnosis
✓ No commitment ✓ Response in 24h ✓ Custom proposal
Last updated: February 2026

Technical
Initial Audit.

AI, security and performance. Diagnosis with phased proposal.

NDA available
Response <24h
Phased proposal

Your first meeting is with a Solutions Architect, not a salesperson.

Request diagnosis