Shopify & Shopify Plus Development Company
Custom Shopify & Shopify Plus Development That Launches Fast and Scales
Stallyons is a certified Shopify and Shopify Plus development company building custom stores on hosted, fully-managed SaaS. From bespoke Liquid themes and custom apps to headless storefronts on Hydrogen and Oxygen, checkout extensibility, and zero-SEO-loss migrations, we launch fast on infrastructure that stays secure, reliable, and scalable as you grow.
Built to Convert & Scale
- Conversion-Optimized
- Performance Certified
- Launch-Ready Delivery
Triple Commerce Guarantee:
- Conversion-Optimized
- Performance Certified
- Launch-Ready Delivery
Shopify Stores Launched
0
+
Client Rating
0
★
Avg. Conversion Lift
0
%
Our Shopify Suite
Custom Themes
150+ Themes
Shopify Apps
90+ Apps
Headless / Hydrogen
40+ Builds
Store Design
200+ Stores
Shopify Plus
50+ Enterprise
Migrations
120+ Migrated
Checkout Ext.
30+ Builds
Integrations
300+ APIs
CRO & Growth
65% Avg Lift
Avg. Conversion Lift
+65%
On-Time Launch
98%
↑ 4%
Store Uptime
99.9%
Trusted By Startups
The Value of a Certified Shopify Development Partner
Shopify development covers the end-to-end process of designing, building, customizing, integrating, and scaling online stores on Shopify, the world's most-used ecommerce engine, powering over 4.8 million live storefronts and processing more than $235 billion in annual GMV. Stallyons is a certified Shopify and Shopify Plus partner that engineers stores to launch fast and convert.
As a leading Shopify development agency, Stallyons builds high-performance stores for ambitious DTC and enterprise brands that chose Shopify and Shopify Plus because the hosted, fully-managed platform lets them ship faster, scale higher, and convert better than WooCommerce, Magento, or fully custom builds, without ever patching a server.
Our Full Shopify Range
Custom Shopify Theme Development: Online Store 2.0 themes built from scratch in Liquid, JSON templates, and modern CSS/JS, not bloated $300 ThemeForest templates that drag your Lighthouse score into the 30s.
Conversion-Optimized Store Design: Sticky add-to-cart, dynamic variant pricing, lightning-fast image swaps, structured-data reviews, and persuasion elements engineered to turn browsers into buyers.
Headless Shopify (Hydrogen, Oxygen, Next.js): When you need full creative control or sub-second TTFB, headless commerce decouples the front-end from the back-end without losing Shopify's checkout magic.
Custom App Development & Integrations: Bespoke connections to your ERP (NetSuite, SAP), 3PL (ShipBob, Deliverr), email (Klaviyo), reviews (Yotpo, Judge.me), subscriptions (Recharge, Skio), and CRM stack.
Shopify Plus & Checkout Extensibility: Checkout UI extensions, Shopify Functions, post-purchase upsells, and B2B price lists that turn your Shopify Plus checkout into a profit engine.
Migrations Without SEO Loss: Replatforming from WooCommerce, Magento, BigCommerce, or Salesforce Commerce Cloud with full 301 redirect mapping, SEO preservation, and historical order migration.
Why Shopify Beats WooCommerce, Magento & Custom Builds
- Fully-Managed & Secure: Shopify handles hosting, PCI compliance, and 99.9% uptime as a hosted SaaS. No servers to patch, no security fire-drills, no downtime during flash sales.
- Fastest Time-to-Launch: A proven platform plus senior Shopify engineers means themes and migrations ship in weeks, not the months a custom build or Magento project demands.
- Best-in-Class Checkout: Shop Pay converts up to 50% higher than guest checkout. You inherit the highest-converting checkout in ecommerce on day one.
- 8,000+ App Ecosystem: Native integrations for reviews, subscriptions, loyalty, 3PL, and ERP, so you extend the store without reinventing the wheel or maintaining fragile plugins.
- Scales to Shopify Plus: Start on Shopify, grow into Plus for B2B, multi-store, 10,000+ checkouts per minute, and checkout extensibility, all on the same admin.
- You Own the Store: Clean, documented Liquid and apps you fully control. Hand it to any team without inheriting a black box or vendor lock-in.
How to Engage Our Shopify Team
Every engagement starts with a free 45-minute Shopify strategy session. No slide deck and no sales script. You bring the store or the idea, we audit it and map the path, and you leave with a clearer picture whether you choose to work with us or not. From there, engagements range from focused theme customizations to full Shopify Plus replatforms and long-term CRO retainers.
We are selective about new Shopify engagements. We cap our active client count to maintain the senior-engineer-to-project ratio our quality bar requires. If we say yes to your store, it is because we are committed to shipping it well, not because we needed the slot filled this quarter.
Why Ecommerce Brands Choose Us
200+
Stores Launched
65%
Avg. Conversion Lift
92+
Avg. Lighthouse Score
4.9/5
Client Rating
Ready to build a Shopify store that actually converts?
Shopify Solutions
Shopify Development for Every Commerce Model
Shopify and Shopify Plus builds for every commerce model, DTC, B2B, subscription, marketplace, and headless. Pick one, or let us assemble the full stack.
Custom Theme Development
Online Store 2.0, Liquid, JSON templates
LIQUID
DTC Storefronts
Single-brand stores built to convert
SHOPIFY
Shopify Plus Enterprise
High-volume, multi-store, B2B
PLUS
Headless Commerce
Hydrogen, Oxygen, Next.js storefronts
HYDROGEN
Subscription Commerce
Recharge, Skio, memberships
RECURRING
B2B & Wholesale
Company accounts, price lists, net terms
B2B
Custom Shopify Apps
Private & public app development
APPS
Replatform Migrations
From WooCommerce, Magento, BigCommerce
MIGRATE
Checkout Extensibility
UI extensions, Shopify Functions
CHECKOUT
CRO & Growth
A/B testing, speed, retention
GROWTH
Not sure which Shopify build fits your roadmap? Let's map it together.
Common Challenges
Signs You Need Professional Shopify Development
If your current Shopify store shows any of these warning signs, it's quietly leaking revenue every single day. The right Shopify development agency fixes every one of them.
Slow, Bloated Theme
01
A $300 ThemeForest theme drags your Lighthouse score into the 30s. Every extra second of load time bleeds conversions and hurts your Google rankings.
Low Conversion Rate
02
Traffic comes but nobody buys. No sticky add-to-cart, no optimized checkout, no persuasion elements. Your funnel leaks at every step.
App Bloat & Conflicts
03
A dozen paid apps injecting scripts, slowing your store, and conflicting with each other. Nobody ever audited them for performance impact.
Outgrowing Basic Shopify
04
Flash sales choke checkout, you need B2B pricing, or you've hit API limits, but nobody scoped the jump to Shopify Plus.
Painful Replatform Fears
05
You need to migrate off WooCommerce or Magento but fear losing SEO rankings, order history, and traffic during the cutover.
Inherited Theme Nobody Understands
06
A freelancer left behind undocumented Liquid, hard-coded hacks, and dependencies nobody can safely change without breaking the store.
Recognize any of these? Let's fix the leaks in your funnel.
Our Shopify Services
6 Core Shopify Services Built to Compound
Each service is a senior Shopify team. Mix, match, or run them in parallel. Every line is built to feed every other.
Custom Shopify Theme Development
01
Online Store 2.0 themes built from scratch in Liquid and JSON templates, engineered for 90+ Lighthouse scores and conversion, not bloated marketplace templates. Sticky carts, fast variant swaps, and structured data baked in.
Headless Shopify (Hydrogen)
02
Sub-second storefronts on Hydrogen, Oxygen, Next.js, and React via the Storefront API, keeping Shopify's checkout while giving you total design freedom, omnichannel content, and PWA capabilities.
Shopify App Development
03
Custom private and public apps, plus deep integrations with NetSuite, SAP, Klaviyo, Recharge, Yotpo, ShipBob, and your CRM, via direct APIs, webhooks, or iPaaS, so your stack works as one.
Shopify Plus & Checkout
04
Checkout UI extensions, Shopify Functions, post-purchase upsells, B2B company accounts, and customer price lists that turn your Shopify Plus checkout into a profit engine built for enterprise scale.
Shopify Migrations
05
Zero-SEO-loss replatforming from WooCommerce, Magento, BigCommerce, or Salesforce Commerce Cloud, with full 301 redirect mapping, product/customer/order migration, and post-launch QA.
CRO & Growth Retainers
06
Ongoing conversion rate optimization, A/B testing, speed tuning, app management, and BFCM readiness. Continuous growth work that compounds AOV and retention after launch.
Need to combine multiple Shopify services into one engagement?
Why Partner with Us?
The Business Value of a Certified Shopify Development Agency
What you unlock when a senior Shopify team owns your store from strategy to launch to growth.
Faster Time-to-Launch
01
Senior Shopify engineers ship themes and migrations in weeks, not months. You launch on schedule without cutting quality or scope.
Higher Conversion Rates
02
Conversion-first engineering, Shop Pay, sticky carts, and speed, lifts average order value and turns browsers into buyers. 65% average conversion lift.
Fully-Managed & Secure
03
Shopify's hosted SaaS handles PCI compliance, hosting, and 99.9% uptime. You never patch servers or fight security fires again.
Scales for Enterprise
04
Shopify Plus absorbs flash sales, 10,000+ checkouts per minute, B2B, and multi-store from one admin. Your store holds under load.
You Own the Store
05
Clean, documented Liquid and apps you fully own. Hand it to any team without inheriting a black box or vendor lock-in.
Certified Plus Partner
06
Shopify Plus Certified engineers with 200+ live stores shipped. You get proven expertise, not a team learning on your dime.
Ready to launch a Shopify store that scales?
Our Process
From Brief to Launched Store in 6 Proven Steps
A battle-tested Shopify methodology that ships stores on time, on budget, and on conversion targets, every single time.
Discovery
Goals, catalog & tech-stack audit
Design
UX research, wireframes & high-fi mockups
Development
Liquid, JSON templates & app builds
Integration
Apps, APIs, ERP & marketing stack
Launch
QA, migration, redirects & cutover
Optimize
CRO, A/B tests & continuous growth
Want to see how this maps to your store?
Technology Stack
The Full Shopify Stack We Build On
End-to-end expertise across Liquid, Hydrogen, the Storefront API, and the entire Shopify app ecosystem.
Web & Backend
Next.js / React
Node.js / Vue
Python / Django
.NET / Java
TypeScript
Mobile & Cross-Platform
Swift / iOS
Kotlin / Android
React Native
Flutter
Ionic / HarmonyOS
AI / ML / Data
OpenAI / Claude
Gemini / Qwen
PyTorch / TensorFlow
Hugging Face
SageMaker / Vertex AI
Ecommerce & CMS
Shopify / Plus
BigCommerce
WooCommerce
Magento / OpenCart
Webflow / Framer
Cloud & DevOps
AWS / GCP / Azure
Docker / K8s
Terraform / IaC
GitHub Actions / CI
Datadog / Grafana
Technology Stack
The Full Shopify Stack We Build On
End-to-end expertise across Liquid, Hydrogen, the Storefront API, and the entire Shopify app ecosystem.
Web & Backend
Next.js / React
Node.js / Vue
Python / Django
.NET / Java
TypeScript
Mobile & Cross-Platform
Swift / iOS
Kotlin / Android
React Native
Flutter
Ionic / HarmonyOS
AI / ML / Data
OpenAI / Claude
Gemini / Qwen
PyTorch / TensorFlow
Hugging Face
SageMaker / Vertex AI
Ecommerce & CMS
Shopify / Plus
BigCommerce
WooCommerce
Magento / OpenCart
Webflow / Framer
Cloud & DevOps
AWS / GCP / Azure
Docker / K8s
Terraform / IaC
GitHub Actions / CI
Datadog / Grafana
Industries We Serve
Shopify Stores for Every Industry
Our Shopify agency brings deep domain knowledge to the categories that drive Shopify's biggest brands, including fashion, beauty, B2B, food & beverage, and more.
Fintech & Banking
Payments, KYC, regulatory tech
Healthcare & HealthTech
HIPAA, telehealth, clinical SaaS
Retail & E-Commerce
DTC, B2B, marketplace, headless
EdTech & Learning
LMS, course platforms, proctoring
Manufacturing & Industrial
IoT, predictive maintenance, MES
Logistics & Supply Chain
Routing, fleet, warehouse, B2B
Legal & LegalTech
Document AI, contract analysis
Media & Entertainment
Streaming, content AI, audience
We understand your vertical. Let's build something category-leading.
How We Compare
How Stallyons Compares to Other Shopify Options
An honest comparison of your Shopify development options, including DIY templates, freelancers, generic agencies, and a specialized Shopify partner like Stallyons.
| Capability | DIY / Templates | Freelancers | Generic Agency | Stallyons Technologies |
|---|---|---|---|---|
| Shopify Plus Certified | ✕ No | Limited | Varies | Plus Certified |
| Custom Theme Development | ✕ Templates Only | Basic | Generic | Online Store 2.0 |
| Conversion Optimization | ✕ None | ✕ None | Extra Cost | Included |
| Headless Commerce (Hydrogen) | ✕ | Rare | Premium | Native Expertise |
| Migration Without SEO Loss | ✕ | ✕ Risky | Extra Cost | Full 301 Mapping |
| Performance (Lighthouse 90+) | ✕ 30-50 | Inconsistent | Sometimes | Guaranteed 90+ |
| Post-Launch Growth Support | ✕ | ✕ | Retainer Only | Continuous CRO |
See the Stallyons difference for yourself
Complete Engagement
Everything You Get with a Shopify Partnership
From Discovery to Launch and Growth, All Under One Roof
Here's everything included when you partner with Stallyons:
Complete Shopify Development Package: No Hidden Costs.
Every engagement includes all 8 components above. Get a custom quote tailored to your specific store, catalog, and growth goals.
🔒 No obligation. We'll deliver a detailed proposal within 48 hours.
Plus, Get These Free Bonuses
Free Shopify Store Audit
A 30-point review of your current store, theme speed, app stack, and conversion bottlenecks. Yours free whether you sign or not.
Included Free
Shopify Roadmap & Estimate
Phased delivery plan with milestones, app recommendations, and transparent effort estimates tailored to your store and growth goals.
Included Free
Conversion Quick-Wins
For qualifying stores, a shortlist of high-impact CRO fixes you can ship immediately, so you see value before committing to a full engagement.
Included Free
Risk-Free Partnership
Our Commitment to Your Store’s Success
We stand behind every Shopify project with commitments that protect your investment from day one.
01
Conversion-Optimized
Every build is engineered for speed and conversion, sticky carts, Shop Pay, and structured data. If we don't hit the Lighthouse and CRO targets we set together, we keep optimizing at no extra cost.
02
Performance Certified
Senior Shopify engineers, code-reviewed Liquid, and a guaranteed 90+ Lighthouse score. If quality slips after launch, we fix it at no extra cost.
03
Launch-Ready Delivery
Fixed scope, fixed timeline, and zero-SEO-loss migration. We deliver your store on the date we commit to, or we keep working until it's right.
Build with zero risk, backed by our Triple Commerce Guarantee
Track Record
Engagements That Ship, Scale, and Compound
500+
Projects Delivered
29+
Service Categories
81%
Repeat Client Rate
4.9 ★
Clutch Rating
"We came to Stallyons after burning two years and four vendors on a multi-platform launch that kept slipping. They scoped it end-to-end — web app, iOS, Android, an AI summarization layer, and a Shopify integration — and shipped it in 22 weeks. One team, one budget, one quality bar. We've handed them three more engagements since."
Mark Sawyer
CEO/Founder
PlatinumLED
"Stallyons rebuilt our customer-facing portal, integrated three legacy systems, shipped an AI document analysis pipeline, and brought our compliance posture to SOC 2 — all under one engagement. The senior engineers on the team have shipped at companies five times our size. It's the best vendor decision we've made in a decade."
Mark Sawyer
CEO/Founder
PlatinumLED
FAQ
Frequently Asked Questions About Shopify
The cost of Shopify development depends on scope, custom features, integrations, and whether you’re on Shopify or Shopify Plus. A focused theme customization is a very different investment than a full headless Hydrogen build with NetSuite integration. Stallyons provides detailed, transparent estimates after a free discovery call, with no slide-deck sticker shock, no hidden fees, and no surprise change orders.
Timelines depend on scope. A theme customization runs 3-5 weeks. A custom Online Store 2.0 build typically takes 8-12 weeks. A Shopify Plus replatform with integrations runs 10-16 weeks. A headless Hydrogen storefront usually takes 12-18 weeks. We provide accurate timelines during discovery and show weekly progress in shared Notion or Linear.
Three things: (1) Shopify Plus Certified credentials and 200+ live stores shipped, (2) conversion-first engineering where every build averages a 65% conversion lift and 92+ Lighthouse scores, and (3) full transparency with fixed-price quotes, shared project boards, and direct senior-developer access. We’re a specialized Shopify development agency, not a generic web shop that also does Shopify.
Yes. Stallyons is a certified Shopify Partner and a Shopify Plus certified development agency. Our senior team holds Shopify Plus Certification, and we’ve shipped 200+ stores across Shopify and Shopify Plus with a 4.9-star rating from verified clients. Partner status is the baseline; execution is the proof, and we have the case studies to back it up.
Yes. Shopify migration is one of our core services. We handle product, customer, and order migration; full 301 redirect mapping to preserve SEO rankings; review migration from Yotpo, Stamped, or Judge.me; and post-launch QA. We’ve replatformed stores doing $1M to $80M+ in annual GMV without losing search rankings or revenue.
Yes. We build headless commerce storefronts on Shopify’s Hydrogen + Oxygen framework, Next.js, and React using the Storefront API. Headless makes sense when you need sub-second TTFB, total design freedom, omnichannel content, or specific PWA capabilities. It isn’t for every brand, and we’ll tell you honestly when classic Online Store 2.0 is the smarter call.
Yes. Our Shopify Plus services include native B2B implementations with company accounts, customer-specific price lists, volume pricing, net payment terms, draft orders, and B2B catalogs. Whether you’re running pure B2B, hybrid B2C/B2B, or a multi-store wholesale operation, our team has built it before.
Yes. We offer retainer-based Shopify support covering store maintenance, app management, API version migrations, performance monitoring, seasonal launches, BFCM readiness audits, and continuous CRO. Stallyons is a long-term Shopify partner, not a project-and-disappear shop, and about 78% of our clients move into a retainer after launch.
Still have questions? Let's talk.
Schedule an appointment with us today!
Ready to Launch a Shopify Store That Converts?
Get a free 45-minute Shopify consultation. We'll audit your store (or your idea), spot revenue opportunities, and map a clear path from brief to launch, at zero cost or obligation.
