Local Team Serving St. Louis
Shopify Development Company
Whether you’re launching from scratch, migrating from another platform, or scaling what you’ve already built — we engineer Shopify around your business, not the other way around.
Certified Partner
One Partner. Every Shopify Capability You Need.
Most Shopify shops are beautiful but broken. They look great until you try to sync your ERP, connect your POS, or scale during peak season. We don’t just build storefronts, we engineer complete commerce ecosystems.
Shopify Migration
We help you move from platforms like Magento, WooCommerce, or BigCommerce to Shopify while preserving your customer experience, store workflows through the transition.
Shopify Plus Development
Scale your business with Shopify Plus solutions built for advanced checkout experiences, B2B selling, automation, and complex commerce operations.
Shopify Modernization
Outdated themes, app overload, and disconnected systems can slow your Shopify store down. We modernize your storefront, integrations, and workflows to support how your business runs today.
Custom Shopify App Development
When Shopify apps limit how your business operates, we build custom apps that extend functionality, automate workflows, and support the way your store actually runs.
Shopify Systems Integration
Connect Shopify with platforms like NetSuite, HubSpot, Salesforce, and warehouse systems to keep orders, inventory, customer data, and operational workflows moving across your business.
Shopify Payment Gateway Integration
Integrate platforms like Stripe, PayPal, and ACH to support faster payments, smoother transactions, and fewer checkout interruptions for your customers.
Omnichannel Commerce Operations
Unify your Shopify storefront, POS, multi-location inventory, retail operations, and fulfillment workflows so customers experience connected commerce across every channel.
Headless Shopify Development
Build custom storefront experiences with Shopify’s commerce engine and a frontend architecture designed for speed, flexibility, and modern user experiences.
See What We've Built for Brands Like Yours
We have built hundreds of local projects throughout the years. Let’s create yet another success story together.
Expect More AG
Agriculture
Greenville, IL
Rebuilding Order Operations with ZIP-Based Fulfillment and ACH Payments
Expect More Ag was managing orders manually—validating locations, coordinating fulfillment, and chasing payments by hand. We rebuilt their Shopify around how they actually operate—with ZIP-based availability, ACH payment integration, and automated local fulfillment workflows.
Key Outcomes
3× Faster Order-to-Fulfillment
90% Reduction in Transaction Fees
100% Elimination of Manual Location Checks
Refined By Roots
Beauty & Wellness
St. Louis, Mo
How We Redesigned Refined By Roots’ Shopify Store to Cut Bounce Rates by 70%
Refined By Roots had a growing community but a storefront that couldn’t keep up. We redesigned the Shopify store with advanced product filters, a mobile-first layout, and full FedEx shipping automation — turning browsing friction into seamless discovery.
Key Outcomes
35% Faster Product Discovery
70% Lower Bounce Rate
95% Automated Shipping Process
Revolt Powersports
Electric Powersports & Recreation
St. Louis, Mo
Growing Dealer Inquiries by 120% with a Full Shopify Rebuild
Revolt Powersports had an innovative product line but a Shopify store that couldn’t keep up. We rebuilt it with custom apps, advanced filtering, and a dedicated dealer portal — turning a dated storefront into a high-converting brand experience.
Key Outcomes
85% Improvement in Page Load Speed
120% Increase in Dealer Inquiries
65% Uplift in Product Page Engagement
Lawson
Industrial Printing Equipment & Supplies
St. Louis, Mo
Rebuilding the Shopify Checkout Experience for Faster B2B Ordering
Lawson’s outdated checkout created friction during purchase completion. We rebuilt the Shopify checkout using Checkout Extensibility, improved performance across devices, and modernized the architecture — creating a faster, more reliable checkout experience for customers.
Key Outcomes
76% Growth in Same-Store Sales
100% Checkout Stability Across Updates
22% Increase in Checkout Completion Rates
Golf Apparel Brand
Retail & Fashion Apparel
Elevating a Premium Golf Apparel Brand with a More Refined Shopify Experience
The brand had premium products but a storefront experience that felt outdated for modern shoppers. We redesigned the Shopify store with improved merchandising, mobile-first navigation, and a cleaner shopping flow, creating a more engaging experience built to drive conversions and repeat purchases.
Key Outcomes
2x More Wholesale Leads Captured
35% Less Page Weight, Faster Load Times
100% Brand Consistency Across Devices
Ready to Turn Your Shopify Store Into a Growth Engine?
How We Work
No long consulting cycles or confusing handoffs. We keep things simple, a clear process, honest timelines, and a team that stays with you from first call to post-launch growth. .
Discovery Call
We start with a real conversation about your business, current Shopify setup, and the problems holding your store back. This helps us understand what you actually need before recommending anything.
Audit & Scoping
We audit your current architecture and deliver a fixed-price roadmap. You know the exact cost before we write a single line of code.
Build & Integrate
We build your storefront in active sprints.You get regular updates throughout the process, giving you total transparency from start to finish.
Grow Together
Go-live isn’t our exit line. We act as an extension of your internal team—providing real-time, same-timezone optimization long after launch.
Who We Help For
Manufacturers
- Shopify B2B Commerce Setup
- ERP & Warehouse Integration
- Dealer & Distributor Portal Development
- Multi-Storefront Management
- Custom Operational Workflows
Suppliers & Distributors
- Multi-Store & Multi-Location Management
- Tiered Pricing & Volume Ordering Systems
- End-to-End ERP & Supply Chain Integration
- Real-Time Inventory & Stock Synchronization
- Advanced Logistics & Fulfillment Integrations
Retail Brands
- Conversion-Optimized Shopify Storefronts
- Seamless Shopify POS Integration
- Centralized Inventory & Order Management
- Frictionless Checkout & Payment Optimization
- Unified Omnichannel Retail Experiences
B2B Businesses
- Account-Based Pricing & Permissions
- Bulk Ordering & Quote Management
- ERP & CRM Integration
- Custom B2B Checkout Workflows
- Procurement & Approval Workflows
D2C Brands
- Custom-Designed Shopify Storefronts
- Subscription, Upsell, & Loyalty Integrations
- Unified CRM & Marketing Automation
- Risk-Free Shopify Migration & Replatforming
- Next-Gen AI-Assisted Shopping Experiences
Apparel & Lifestyle
- Custom-Designed Shopify Storefronts
- Wholesale & B2B Lead Capture Integrations
- Mobile-First Shopify Design & Development
- CRM & Email Marketing Automation
- Performance Optimization & Legacy Store Modernization
Why St. Louis Businesses Choose Digital
Radium as Their Shopify Development Partner
We’re not just another Shopify development agency. Growing a commerce business is hard enough. That’s why you need a local partner who understands your operations, stays after launch, and builds for where your business is going, not just where it is today.
Years of Full-Cycle Shopify Experience
We Understand How Your Business Actually Sells
We work with Shopify and Shopify Plus every day right here in the Midwest. From complex B2B wholesale setups to omnichannel retail networks, we build stores around how your business actually runs.
Third-Party Integrations Delivered
Complex Requirements Are Our Strength
ERP integrations, custom payments, inventory logic, multi-store B2B and B2C — we’ve done it all. If it’s too complex for a standard theme, that’s exactly where we do our best work.
Brands Served Across Retail, B2B & D2C
Built to Scale From Day One
Your store should grow with you. We build themes, headless storefronts, and custom apps made to scale—so you’re not rebuilding again in two years
St. Louis Based. Globally Capable.
Local Partner. Long-Term Commitment.
Local presence means faster communication and a team that stays with you after launch. We don’t just launch and disappear—we stick around to optimize your growth.
Ranked #1 Shopify Developer in St. Louis
Independently ranked the top Shopify development partner in the St. Louis metro — ahead of every other local agency, with perfect scores for service excellence, timeliness, and likelihood to recommend.
FAQ
Is Shopify the right platform for my business?
Shopify is a strong fit for D2C brands, retail businesses, manufacturers, and growing B2B companies looking for a scalable commerce platform. With Shopify Plus, it can support custom pricing, bulk ordering, account-based access, and more complex operational workflows. We help you evaluate whether Shopify aligns with your business model before recommending a solution.
Can Shopify handle B2B and B2C in the same store?
Yes—Shopify Plus supports both B2B and B2C experiences from a single backend. We build unified commerce setups with separate pricing, customer permissions, and checkout flows for wholesale and retail buyers, without forcing businesses to manage multiple platforms.
Can you integrate Shopify with our ERP or CRM?
Yes. We integrate Shopify with ERP systems, CRMs, inventory platforms, POS systems, and other operational tools to keep your business systems connected and reduce manual workflows across teams.
We're on another platform. Can you migrate us to Shopify?
Absolutely. We manage Shopify migrations from Magento, WooCommerce, BigCommerce, and custom platforms while helping protect product data, customer records, order history, SEO structure, and operational continuity throughout the transition.
Can you build custom Shopify apps for our specific needs?
Yes. We build custom Shopify apps and workflows tailored to how your business operates—whether that includes dealer portals, custom pricing systems, operational automations, inventory workflows, or specialized checkout experiences.
How long does a Shopify project typically take?
Most Shopify redesigns or migrations take around 6–12 weeks, while more complex projects involving ERP integrations, custom apps, or multi-store setups may take 12–16 weeks depending on scope and operational complexity.
Do you offer ongoing Shopify support after launch?
Yes. We provide ongoing Shopify support, and iterative improvements to help your storefront continue evolving as your business grows.
Is your Shopify agency a good fit for mid-sized manufacturers and B2B brands?
Yes. This is one of the businesses we work with most. We help manufacturers, distributors, and growing B2B brands build Shopify experiences that support complex workflows without relying on disconnected systems. Being based in St. Louis also means we’re close enough to understand how mid-market businesses in the Midwest actually operate.
Launch Your Shopify Store in Days—Not Months.
Tell us what you’re working on and we’ll send a clear technical roadmap within 24 hours.