Shopify AppsDevelopment
Checkout Guardian Pro
Shopify app in development that enforces checkout rules, validates purchases and applies operational safeguards.
- Shopify
- Checkout
- Validation
- Functions
Ecommerce engineering
Shopify Plus
Shopify Plus
We build on Shopify Plus where standard Shopify runs out of room — checkout extensibility, B2B, Markets and the storefront logic and workflows that high-volume merchants need.
Overview
Engineering for Plus-level requirements
Shopify Plus unlocks capabilities that standard plans don't: checkout extensibility, B2B catalogs and price lists, Markets for international selling, and higher API limits. We build on those capabilities with clean, maintainable code.
We're engineers first. We map your operational reality — pricing, fulfillment, integrations, wholesale — and turn it into storefront logic and workflows your team can run, not a fragile stack of apps and one-off scripts.
- Plus-native
- We build with the tools your plan actually includes — checkout extensibility, B2B, Markets — instead of working around them.
- Operations-aware
- Pricing, fulfillment and integrations are designed together, so the storefront reflects how your business really runs.
- Maintainable at scale
- Documented, well-structured code that holds up under high volume and a growing catalog.
The layers a Shopify build has to cover, and where it stays extensible.
Templates
- index
- product
- collection
- cart
- search
- page.*
Sections & blocks
- sections/*.liquid
- blocks
- section groups
- app blocks
Data
- products
- variants
- metafields
- metaobjects
- markets
Extension points
- theme app extensions
- Functions
- webhooks
- Admin API
What's included
What the engagement covers
- Checkout extensibility (UI extensions & Functions)
- B2B catalogs, company accounts & price lists
- Markets & international selling setup
- Advanced storefront & merchandising logic
- App and third-party system integrations
- Operational workflows & automation
Technologies
- Shopify Plus
- Checkout extensibility
- Shopify Functions
- B2B
- Markets
- Liquid
Use cases
Where this helps most
B2B and wholesale
Company accounts, customer-specific catalogs and price lists running alongside your DTC storefront.
International expansion
Markets setup with localized pricing, currencies and content for selling across regions.
Custom checkout
Checkout extensibility for validation, custom fields, upsells and shipping or payment logic where your plan allows.
Process
How we deliver
Discover & scope
We map your Plus requirements — B2B, Markets, checkout, integrations — and agree a scope with clear milestones.
Architect & build
We design the storefront logic and workflows and build them on Shopify Plus with clean, documented code.
QA & launch
End-to-end testing across markets, customer types and checkout paths, then a controlled launch with monitoring.
Support & iterate
Post-launch support and a roadmap of improvements based on real order and store data.
FAQ
Shopify Plus
Do I need Shopify Plus for these features?
Yes for most of them. Checkout extensibility, B2B company accounts and advanced Markets features are Plus-only. We'll tell you honestly which parts of your scope require Plus before you commit.
Can you run B2B and DTC on the same store?
Yes. Shopify Plus supports B2B company accounts and price lists alongside a standard DTC storefront, and we build the storefront logic to serve both cleanly.
Can you integrate our ERP or other systems?
Yes. We integrate ERPs, PIMs and other systems via APIs and webhooks, and design the workflows so data stays consistent between Shopify and your back office.
Proof
Where we have done this
Real projects that used this capability. Every one shipped.
Shopify FunctionsDevelopment
Modern Mattern Import Fee
A Shopify Cart Transform Function that applies a configurable import fee with gift-card and product exclusions and quantity-safe calculations.
- Cart Transform
- Import Fee
- Shopify Functions
- Metafields
Shopify AppsDevelopment
Shopify Rules Engine
A Shopify app that configures payment and delivery customizations and checkout validation through product and customer conditions with configurable rule priority.
- Rules Engine
- Payment Customization
- Delivery Customization
- Checkout Validation
Let's build
Ready to start with Shopify Plus?
Tell us about your store and your goals. We'll come back with a clear, honest plan and a transparent quote.