Shopify Plus development

Shopify Plus development for brands that have outgrown a theme

Custom themes, private apps, checkout extensions, Shopify Functions and B2B, plus the integrations that keep stock and orders in step with your ERP. We have built Plus stores for KITH, Simmons, HAUS and Starforge.

  • Themes your team can edit
  • Checkout extensions and Functions
  • Migrations with every URL redirected
Product drop manager for a Shopify Plus store showing the waiting queue, orders per minute and stock by size

Shopify Plus stores we have built

  • KITH
  • Simmons
  • HAUS
  • Starforge
  • O'Neill
  • De Soi
  • Balance Athletica
What we build

The parts of Shopify Plus that need a developer

Custom themes

Online Store 2.0 themes built from sections and blocks, fast on mobile, with metafields for the product details your brand needs.

Custom apps

Private apps on the Admin API and webhooks for the rules no app store app covers, from gift registries to made-to-order workflows.

Checkout extensions and Functions

Custom fields, upsells, delivery rules, discounts and payment logic, built the way Shopify now supports.

B2B on Shopify

Company accounts, catalogs, price lists, quantity rules and net terms, on your main store or a separate wholesale one.

Launch day tooling

Queues, inventory holds, purchase limits and bot rules for drops that sell out in minutes.

See the Starforge queue →

Hydrogen storefronts

Shopify's own headless framework for brands that need a fully custom storefront on top of Plus.

Headless commerce →
Anatomy of a build

What a Shopify Plus project actually touches

Most Plus projects change more than the theme. Checkout rules, a custom app or two, Flow automations and the ERP connection are where the hard problems are, and where a good build saves your team hours every week.

Layers of a Shopify Plus build: storefront theme, checkout extensions and Functions, custom apps and Flow, integrations, and reporting
Migrating to Shopify Plus

Moving platforms without losing orders or rankings

We have moved stores from Magento, WooCommerce and BigCommerce. The work that protects you is dull and thorough: data mapping, redirects for every old URL and two full rehearsals before launch day.

Shopify Plus migration steps: audit, data mapping, build and test in a development store, URL redirects and a monitored launch
Replatforming from Magento? Read what a Magento to Shopify migration costs before you ask for quotes.
Technology

The Shopify toolkit we use

Storefront

  • Liquid
  • Online Store 2.0
  • Hydrogen
  • Remix

Checkout

  • Checkout UI extensions
  • Shopify Functions
  • Shop Pay

Apps

  • Admin GraphQL API
  • Storefront API
  • Polaris
  • Shopify CLI

Automation

  • Shopify Flow
  • Webhooks
  • Launchpad

Integrations

  • NetSuite
  • SAP
  • Klaviyo
  • ShipBob

Quality

  • Theme Check
  • Lighthouse CI
  • Playwright
Questions

Shopify Plus development FAQ

Do we need Shopify Plus, or will a standard plan do?

Plus earns its cost when you need checkout customization, B2B features, several expansion stores, automation with Shopify Flow or the higher API limits that come with volume. If none of those apply yet, a standard plan with a well-built theme is often enough, and we will tell you so. Shopify publishes current Plus pricing on its own site.

Can you customize the Shopify checkout?

Yes, within the rules Shopify now sets. Customization is done with checkout UI extensions and Shopify Functions for discounts, shipping and payment logic, which replaced the old checkout.liquid approach. That covers most needs, such as custom fields, upsells, delivery rules and B2B terms.

Will our team be able to edit the store without a developer?

Yes. We build Online Store 2.0 themes from sections and blocks, so your team can create landing pages, change collections and schedule campaigns in the theme editor. We train them before launch.

How do you handle launch days and product drops?

Shopify handles the hosting load. The risks are overselling, bots and a checkout that locks up under demand. We plan inventory holds, queues, bot protection and a monitored launch, as we did for Starforge and KITH.

How long does a move to Shopify Plus take?

A replatform typically takes three to five months, depending on catalog size, custom features and integrations. Our breakdown of Magento to Shopify migration costs explains where the time goes.

Can Shopify Plus connect to our ERP?

Yes. We connect Shopify Plus to NetSuite, SAP, Microsoft Dynamics and others for orders, stock, prices and customers, using webhooks and scheduled jobs with retries and alerts. Simmons and Novus both run on Shopify Plus with ERP connections we built.

Planning a Shopify Plus build or migration?

Tell us where you are today and what you need the store to do. We will come back with questions, a recommended approach and a realistic timeline.

Start a project Prefer to talk? Call +1 (281) 888-0742.

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