Shopify Plus Development

Enterprise Shopify Plus Development Services for brands that have outgrown standard Shopify

We build high-volume storefronts, custom checkout, B2B and wholesale, international markets, headless, and ERP/CRM integrations. All built and looked after by one senior Shopify Plus team, not pieced together from a pile of apps and freelancers.

%
checkout uptime under peak load
K+
requests/min handled at flash-sale peak
<s
faster page load after optimization
10K RPM peak
B2B Pricing
Fast Hydrogen
Platforms & tech we build on
Shopify PlusHydrogenOxygenShopify FunctionsGraphQL Admin APIKlaviyoNetSuiteAlgoliaShopify PlusHydrogenOxygenShopify FunctionsGraphQL Admin APIKlaviyoNetSuiteAlgoliaShopify PlusHydrogenOxygenShopify FunctionsGraphQL Admin APIKlaviyoNetSuiteAlgolia
Why brands come to us

The moment standard Shopify stops growing up

Four pressures we hear from enterprise merchants over and over, and how a properly architected Shopify Plus build puts each one right.

Scale & Performance

Flash sales knock the store over, Core Web Vitals are red and we keep hitting API limits.

Fixed: enterprise architecture built for high-volume traffic and speed.

Complex & Global Commerce

B2B pricing, wholesale, multi-store and multiple markets just aren't possible on stock Shopify.

Fixed: B2B, multi-store and Shopify Markets built for tiered, global selling.

Checkout & Automation

We can't customize checkout or automate the workflows our operation actually runs on.

Fixed: checkout extensibility, functions and flow tailored to your process.

Integrations & Migration

Our ERP, CRM and warehouse don't talk to Shopify, and migrating feels terrifying.

Fixed: ERP/CRM/WMS integrations and a safe, staged migration to Plus.
How we build

Shopify Plus built like enterprise software

Most Plus stores are held together by dozens of apps and one-off scripts. We architect the store, its integrations and its automation as one maintainable system built to scale.

Architecture & Migration

A foundation that scales past standard Shopify.

The pain

We've outgrown the platform and every workaround is fragile.

How we fix it: Enterprise store and multi-store architecture, enterprise themes and a safe, staged migration to Shopify Plus.

Custom Logic & Integrations

Checkout, automation and systems that fit your operation.

The pain

Our systems don't talk and checkout can't do what we need.

How we fix it: Shopify functions, checkout extensibility and flow, plus ERP/CRM/WMS integrations via custom apps and the Admin API.

Performance & Global Scale

Speed, new markets and room to grow.

The pain

We need to reach new countries and stay lightning fast under load.

How we fix it: Shopify Markets for international selling, Hydrogen when it genuinely helps, and constant Core Web Vitals and CRO work.

What we do

Full-stack Shopify Plus development services

Six disciplines, one team that owns the whole build, from store architecture and checkout logic through to headless, integrations and international. Follow any service to see the detail.

Store Development & Architecture

Shopify Plus store development, enterprise and multi-store architecture, enterprise theme development and Plus migration.

Plus store devEnterprise architectureMulti-storeMigration

International Commerce

International commerce development, Shopify Markets and Managed Markets setup for multi-currency, multi-language selling.

Shopify marketsManaged marketsMulti-currencyLocalization

B2B & Wholesale

B2B commerce and wholesale store development with custom pricing, tiered catalogs and wholesale ordering workflows.

B2B commerceWholesaleCustom pricingTrade accounts

Checkout & Backend Logic

Checkout Extensibility, Checkout UI Extensions, Shopify Functions, Flow automation and Launchpad configuration.

Checkout extensibilityShopify functionsFlowLaunchpad

Apps & Integrations

Custom & private apps and integrations to ERP, CRM, PIM, WMS, OMS, 3PL, payments and subscriptions via the Admin API.

Custom appsERP / CRMWMS / OMS / 3PLCustom API

Headless

Headless Shopify Plus and Hydrogen development on Oxygen for maximum performance and full front-end control.

Headless plusHydrogenOxygen
HOW WE BUILD SHOPIFY PLUS

Built the right foundation, extend the logic and scale without limits

Every engagement moves through the same three layers: a solid enterprise architecture, custom checkout and system integrations on top, then international reach and performance as you scale, all on one codebase we look after.

LAYER 01 / ARCHITECT & MIGRATE

Build the enterprise foundation

A clean, scalable store architecture and a safe migration off whatever you've outgrown, multi-store ready and built to maintain.

  • Shopify Plus Store Development
  • Shopify Plus Migration
LAYER 02 / EXTEND & INTEGRATE

Customize checkout & connect systems

Checkout Extensibility, Shopify Functions and Flow on top, wired into your ERP, CRM and warehouse through custom apps and APIs.

  • API & ERP Integration
  • Checkout & Functions
LAYER 03 / SCALE & OPTIMIZE

Go global and stay fast

International markets, an optional Hydrogen storefront and relentless performance work, then ongoing maintenance so it keeps improving.

  • Headless Shopify Plus
  • Ongoing Maintenance
Performance, security & support

Enterprise standards performance your store needs to stay fast and secure

Speed under load, compliance you can pass an audit with, and support that actually answers when it matters. These are the things that separate an enterprise store from one that is merely big.

Enterprise Performance

Core Web Vitals engineering, caching and CDN strategy and flash-sale load testing so the store stays fast when it counts.

Core Web VitalsLoad testingCaching / CDN

Security & Compliance

PCI-compliant checkout, hardened access control and audit-ready practices that satisfy enterprise security and legal teams.

PCI DSSAccess controlAudit-ready

Support & SLAs

Proactive monitoring, defined SLA response times and a named engineer who knows your build, not a rotating ticket queue.

24/7 monitoringSLA responseNamed engineer
%
checkout uptime under peak load
K+
requests/min at flash-sale peak
+
store performance after optimization
SEO ranking lost across migrations
Client engagement process

A structured path from discovery to ongoing maintenance

Steps 1 to 5 deliver the build. Step 6 keeps it growing.
1
Discovery

Business & technical requirements, enterprise commerce assessment and existing platform audit.

2
Solution architecture

Integration planning, data model and UX/UI architecture mapped before a line of code.

3
Enterprise development

Checkout customization, automation and system integrations built on one codebase.

4
QA & migration

Data migration, QA and testing, SEO implementation and performance optimization.

5
Launch

UAT, launch planning, production deployment, merchant training and hypercare support.

6
Optimize & scale

Ongoing optimization, maintenance and support that keep the store growing.

Ongoing Shopify Plus maintenance

The team stays on after launch

A Shopify Plus store is never "done." You get proactive monitoring, performance and CRO work, new features and a named engineer on a retainer, so the store keeps getting faster and converting better every month.

See what an ongoing plus retainer covers
Store Health · Live
All systems healthy
Uptime
99.99%
LCP
1.4s
Proactive uptime & performance monitoring
Ongoing CRO & Core Web Vitals work
Security patching & PCI compliance
A real engineer who actually replies
Selected work

Enterprise builds that held up in production

Real Plus merchants, real scaling problems solved, and the numbers that followed.

FAQs

Frequently Asked Questions

Shopify Plus is the enterprise version of Shopify built for high-growth and high-volume businesses. It offers advanced automation, custom checkout, B2B features, higher API limits, multi-store management, and greater customization than standard Shopify plans.

Ready to build beyond standard Shopify?

Book a free Shopify Plus audit. We'll review your architecture, checkout, integrations and performance, then show you exactly what to fix, migrate or build first. No pitch, no jargon.

Response within one business day · No obligation