Ecommerce Development Company in St. Louis
Ecommerce Store for Retail Brands, Manufacturers & D2C Businesses
We build, modernize, and integrate eCommerce systems built to convert customers and grow with your business.
Certified Partner
Why Your Ecommerce Infrastructure Isn't Keeping Up
As your business grows, your platform doesn’t. Slow checkouts. Disconnected systems. Manual processes. These aren’t just limitationsthey’re costing you money and limiting your growth. You need systems that work together. Orders that sync automatically. Checkout that converts. Inventory that updates across channels. That’s what we build.
Digital Radium helps businesses modernize their eCommerce infrastructure with integrations, custom checkout, and connected systems built to handle 10× growth without costly rebuilds.
Retail Brands
Losing revenue to slow checkout, high cart abandonment and sales due to poor CX.
Manufacturers & B2B
Disconnected ERP, manual order processing, and no customer self-serve portal.
D2C Businesses
Your brand growth outpaces platform capability
One Partner. Every E-commerce Capability You Need.
Whether you need a high-converting retail storefront, a complex B2B commerce platform, or a large-scale migration, we help simplify the systems behind your business. We replace disconnected processes with systems that keep your storefront working together.
Ecommerce Website Development
We understand your business goals and build high-performing digital storefronts designed specifically for your target audience. We combine clean code with conversion-focused design to establish a scalable online presence.
Ecommerce Migration
We help you move from platforms like Magento, WooCommerce, or BigCommerce to your preferred modern eCommerce platform while preserving customer data, order history, and operational workflows throughout the transition.
Ecommerce Modernization
Outdated storefronts, app overload, and disconnected systems quietly cap your growth. We rebuild your platform, integrations, and business workflows so pages load faster, your stack is easier to manage, and your team stops working around the tools instead of with them.
Systems Integration
Connect your eCommerce store with platforms like NetSuite, HubSpot, Salesforce, and warehouse systems to keep orders, inventory, customer data, and operational workflows moving seamlessly across your entire business.
Payment Gateway Integration
Slow or clunky payments are silent revenue leaks. We integrate platforms like Stripe, PayPal, and ACH to support faster payments, to support faster transactions, reduce checkout friction, and help customers complete purchases without interruptions.
Omnichannel Commerce Operations
A customer who buys online should be able to return in-store, and your inventory should stay aligned across every channel. We connect storefronts, POS systems, fulfillment workflows, and multi-location inventory into one connected commerce experience.
Custom Checkout Development
Generic checkouts lose customers at the final step. We build custom checkout flows tailored to your business model whether that’s B2B bulk ordering, D2C subscriptions, or multi-location retail helping reduce abandonment and increase completed purchases.
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
MT Racing
Collectibles & RC
St. Charles, MO, US
Unified B2B and B2C Commerce on a Single Magento Platform
MT Racing needed to serve wholesale dealers and retail hobbyists without running two separate systems. We built a unified Magento multi-store architecture that gave each buyer group their own experience — while keeping everything managed from one backend.
Key Outcomes
2× Faster Repeat Ordering
60% Faster Bulk Ordering
40% Fewer Ordering Errors
Let's Turn Your eCommerce Store Into Your Strongest Sales Channel
The Right Platform Makes All the Difference
Choosing an eCommerce platform isn’t about picking the biggest name. The right choice depends on your catalog size, sales channels, customer journey, and growth stage. We help you evaluate, choose, and build with the platform that best drives your business growth.
Shopify is built for businesses that need speed, flexibility, and a simpler operational setup without managing hosting or infrastructure. Its ecosystem supports everything from fast-growing D2C brands to large Shopify Plus commerce operations.
Best for you if: you need to launch quickly, simplify operations, or scale modern D2C and B2B commerce experiences.
Magento gives businesses greater control over storefront functionality, customer experiences, pricing logic, and complex commerce workflows. It’s commonly used for businesses managing large catalogs, multi-brand operations, B2B commerce, and integration-heavy environments.
Best for you if: your business depends on complex workflows, advanced customization, or enterprise-level commerce operations
WooCommerce extends WordPress into a flexible commerce platform that works well for businesses combining content, SEO, and online selling. It provides more customization flexibility while keeping businesses within the WordPress system.
Best for you if: your business already operates on WordPress or you need a content-driven commerce experience.
BigCommerce supports businesses selling across multiple channels, marketplaces, and storefronts with built-in multi-channel commerce capabilities and enterprise-focused functionality.
Best for you if: you manage multi-channel commerce operations or need enterprise commerce functionality with less backend complexity.
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.
Here’s what your project will look like once you partner with our custom ecommerce website development company:
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
Bring your sales, inventory, and operational systems together into one connected commerce workflow.
- Custom B2B Portals
- ERP & Warehouse Integration
- Dealer & Distributor Systems
- Product Information Management (PIM)
- Real-Time Inventory Synchronization
Suppliers & Distributors
Keep inventory, fulfillment, and multi-location operations aligned as your order volume and distribution network grow.
- Bulk Ordering Systems
- Tiered & Volume Pricing
- Multi-Warehouse Inventory Management
- Procurement System Integrations
- Shipping & Logistics Integrations
Retail Brands
Create shopping experiences that keep customers moving from discovery to checkout without friction.
- Scalable Storefront Development
- Retail Inventory & POS Sync
- Buy Online, Pickup In Store (BOPIS) or Pickup & Store Fulfillment
- Order & Inventory Management
- Regional Pricing & Currency Support or Cross border selling support
B2B Businesses
Simplify complex purchasing journeys with systems built for approvals, bulk ordering, and account-based buying.
- Account-Based Pricing & Permissions
- Bulk Ordering & Quote Management
- ERP & CRM Integration
- Custom B2B Checkout Workflows
- Quick Reordering Systems
D2C Brands
Build customer experiences focused on retention, repeat purchases, and long-term brand loyalty.
- Custom Storefront Development
- Subscription & Loyalty Integrations
- CRM & Marketing Automation
- Platform Migration Support
- Checkout Optimization
Apparel & Lifestyle
Launch fashion‑forward Shopify stores that look as good as the products they sell on every device.
- 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 Ecommerce Partner
We know eCommerce businesses depend on more than just a storefront. That’s why we help connect the systems behind your business and build commerce experiences designed to support growth without adding operational complexity.
Years of Full-Cycle Ecommerce Experience
We Understand How Your Business Actually Sells
Most developers build stores. We build commerce systems around how your business operates whether that’s complex B2B pricing, D2C subscription models, or omnichannel retail. We learn your sales process first, then engineer around it.
Third-Party Integrations Delivered
Complex Requirements Are Our Strength
Custom ERP integrations, ACH payment workflows, location-based inventory logic, multi-store B2B and B2C architecture — we’ve built it all. If your requirements are complex, that’s exactly where we do our best work.
Brands Served Across Retail, B2B & D2C
Built to Scale From Day One
Scale isn’t an afterthought in how we build. Every system we architect is designed to grow with your catalog, your team, and your customer base — so you’re not rebuilding again in two years.
St. Louis Based. Globally Capable.
Local Partner. Long-Term Commitment.
Local presence means faster communication, better project alignment, and a team that’s invested in your success long after launch. We don’t disappear after go-live.
FAQ
How long does an ecommerce project typically take?
Most ecommerce projects take between 6 to 16 weeks depending on the platform, integrations, custom functionality, and operational complexity involved. Smaller storefront projects can move faster, while enterprise builds with custom workflows or ERP integrations typically require more planning and development.
Which ecommerce platform is right for my business?
It depends on how you sell. Shopify works well for D2C and high-volume retail. Magento suits manufacturers and enterprises with complex catalogs. WooCommerce fits businesses already on WordPress. BigCommerce is strong for omnichannel growth. We help you evaluate the right fit before recommending anything.
Can you integrate our ecommerce store with our ERP or CRM?
Yes — this is one of our core strengths. We integrate ecommerce platforms with ERP systems, CRMs, inventory tools, warehouse systems, and payment platforms to keep orders, inventory, and customer data connected across your business.
We already have a store. Can you modernize it without rebuilding from scratch?
Many businesses don’t need a full rebuild. We audit your current storefront, identify operational and performance issues, and improve the areas creating friction without disrupting the parts already working well.
Do you support both B2B and B2C ecommerce?
Yes. We’ve built unified commerce systems that serve wholesale buyers and retail customers from a single platform, with separate pricing, workflows, and experiences for each.
How much does it cost to build an eCommerce website in St. Louis?
Project costs depend on the platform, custom functionality, integrations, and overall complexity. Smaller storefront builds typically cost less than enterprise commerce projects involving ERP integrations, automation, or multi-store operations. We provide clear project scoping and pricing before development begins.
How do I know if my eCommerce store needs to be modernized?
If your store is slow to load, difficult to manage, losing customers at checkout, or struggling to sync, it likely needs modernization. We audit your current setup, identify what’s holding performance back, and upgrade without unnecessary rebuilds.
Can you help with eCommerce SEO during development?
Yes. We build ecommerce stores with technical SEO best practices including clean URL structures, mobile optimization, fast page performance, schema markup, and redirect planning during migrations. Because only a strong technical foundations can help improve the search visibility from the start.
How do you handle eCommerce website security and compliance?
We build ecommerce stores with security and compliance in mind, including SSL encryption, PCI-compliant payment processing, secure integrations, access controls, and ongoing security best practices designed to protect customer and transaction data.
Let's Talk About Your Ecommerce Goals
No sales pitch. No generic proposal. Just a focused conversation about your ecommerce