+94 SATISFIED CLIENTS
Scale faster with Shopify Plus development focused on +20–100% conversion growth and better site performance.
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120+
Successfully completed projects
97%
Satisfied clients
3+
Years average collaboration duration
20+
Countries served
Our Shopify Plus development firm help eCommerce brands grow through high-performance solutions, scalable website architecture, and enterprise-grade eCommerce infrastructure. Our focus is on delivering measurable business outcomes: launching new features faster, supporting growing sales volumes, maintaining platform stability under heavy traffic, and increasing revenue. We build Shopify Plus ecosystems without the complexity of outdated solutions that slow down growth. Our approach enables companies to launch marketing campaigns faster, expand functionality more efficiently, and scale with confidence. Instead of relying on dozens of conflicting apps, we create a unified, manageable platform with automated workflows and a reliable technical foundation that supports long-term business development.
Our Shopify plus development agency provides end-to-end Shopify Plus website development services that help eCommerce companies automate operations, improve user experiences, and build a scalable foundation for long-term growth.
We build Shopify Plus stores for fast-growing brands that need a platform capable of supporting long-term expansion and increasing operational complexity.
Our agency migrates eCommerce businesses to Shopify Plus while minimizing disruption to SEO performance, customer experience, and ongoing sales operations.
We optimize the customer experience to improve conversion rates, increase revenue, and remove friction throughout the buying journey.
We improve Shopify Plus performance to ensure fast, reliable experiences during everyday operations and peak traffic periods.
Our agency connects essential business systems into a unified eCommerce ecosystem that reduces manual work and improves operational efficiency.
We develop custom solutions for businesses with complex requirements, unique workflows, and advanced customer experiences.
From declining conversion rates and inefficient manual workflows to performance challenges under heavy traffic, we identify and eliminate the obstacles that prevent eCommerce businesses from scaling efficiently.
Challenge
Risk
Solution
Your Shopify Plus store is holding back business growth.
Slow website creation cycles and technical debt make it difficult to scale marketing initiatives and sales operations.
We build scalable architectures that remove the limitations created by outdated solutions, enabling faster feature releases, stable store performance, and long-term eCommerce growth.
Conversion rates remain stagnant despite increasing traffic.
Customer acquisition costs continue to rise without generating proportional revenue growth.
We optimize storefronts, checkout flows, and user experiences based on customer behavior data to increase conversion rates, average order value, and overall sales performance.
The store relies on too many apps and manual processes.
System conflicts, operational errors, and workflow inefficiencies slow down the business and create additional pressure on internal teams.
We integrate Shopify Plus with ERP, CRM, 3PL providers, and payment systems to create a unified eCommerce ecosystem that supports stable and scalable operations.
High-traffic marketing campaigns create stability issues.
Downtime and performance problems lead to lost revenue during peak sales periods.
We develop Shopify Plus infrastructures designed for high traffic volumes, seasonal demand spikes, and long-term scalability while maintaining reliable performance.
From eCommerce to fintech, our clients span 20 countries and every project is different.
How Stellar cut Shopify load time to under 2 seconds, increased conversions by 25%, reduced manual work by 40%, and helped drive 20% sales growth.
AfterCart migration to Shopify 2.0: removed delays caused by on-the-fly protection product creation and reduced the risk of transaction fee losses.
Peak season was 2–3 months away and the subscription store wasn't live yet. See how Stellar built it on Magento with Chargebee billing.
How we helped Côte&Ciel improve performance across three Shopify storefronts, while the EU store recorded a 7% YoY increase in conversion.
Custom quiz, calorie calculator, and multi-discount cart for a mobile-first Shopify store – built with Web Components + Alpine.js.
How we optimized a London antique retailer's Magento 2 store - custom analytics, faster search, −22% order processing time and +18% ROAS. 8-year partnership.
How Stellar migrated Baketivity from WooCommerce to Shopify Plus, rebuilt subscription logic, preserved data, and added ClassWallet features.
How we migrated King of Christmas from a hardcoded Dawn theme to Horizon, avoided an estimated 1,000+ development hours, and unlocked marketing autonomy.
See how Stellar moved a UK online pharmacy to Hyvä Themes, upgraded Magento to 2.4.7-p1, and hit Google's green Core Web Vitals - with zero downtime.
Want to maximize the potential of your online business with custom Shopify Plus solutions?
We deliver Shopify Plus solutions that help improve customer experiences, increase sales, and support long-term business growth.
We deliver Shopify Plus solutions that help improve customer experiences, increase sales, and support long-term business growth.
Growth-Focused Shopify Plus Development
We build Shopify Plus infrastructure designed to support sales growth, rapid experimentation, and long-term business expansion.
Shopify Plus Without Legacy Chaos
We create scalable architectures without conflicting apps and fragmented integrations that make eCommerce operations harder to scale over time.
Enterprise-Ready eCommerce Infrastructure
We develop Shopify Plus stores that are ready for high traffic volumes and large-scale marketing campaigns while maintaining stable performance.
Long-Term Technical Partnership
We partner with Shopify Plus brands to support ongoing store development, optimization, and scaling after launch.
Our agency provides end-to-end eCommerce app development services — from business analysis and product strategy to development, launch, scaling, and continuous improvement.
We analyze workflows, technical limitations, integrations, and business goals to define the problems the app needs to solve.
We shape the product concept, architecture, core functionality, integrations, and key user scenarios.
We design intuitive user flows and interfaces that simplify interactions across web and mobile experiences.
We develop business logic, backend services, APIs, automation, and integrations with required eCommerce and business systems.
We test functionality, integrations, performance, and stability before deploying the application to the production environment.
We monitor performance, optimize infrastructure, introduce new features, and continuously evolve the app as business needs grow.
We use modern technologies and tools to develop, optimize, and maintain high-performance and stable platforms.
ShopifyShopify Plus
HydrogenMarkets
Liquid
JavaScript
TypeScript
React
Next.js
AWS
Google Cloud
Azure
Cloudflare
GitHubWe build custom eCommerce applications for online stores, digital brands, and SaaS platforms — helping automate operations, connect business systems, and support scalable growth.
netparcel
sigma
a&g
pineapple
bering
cultnaked
lock
nila
heyholy
webloft
lgfgDiscover how our solutions help overcome technical barriers, maintain system reliability, and implement innovations that drive sales growth.
4.9
Overall Review Rating
Co-Founder at HEY HOLY, an eCommerce pet brand
Three Years of Reliable Delivery
Stellar has supported our Shopify store for two years, building backend functionality and custom tools. They’re fast, responsive, and reliable.
Creative Director at Long Story Short
Built on Clarity and Speed
Stellar impressed us with clear, fast communication and a well-structured process, especially when deadlines were tight and quick decisions were critical.
CEO, LGFG Fashion House
Stellar transformed our sales processes, streamlining operations and automating manual work to save significant time and improve the overall customer experience.
Owner at NILG.AI
Stellar stood out among five shortlisted companies with a detailed, transparent plan and pricing strategy. Jack also provided clear guidance and valuable insights.
Shopify & eCommerce Expert, Owner at Digitalebox.de
Stellar’s Shopify expertise and ability to deliver advanced custom solutions reflect strong technical skills and a focus on scalable, high-quality eCommerce.
Director of Marketing at Cooper Mountain Technologies
They bring a positive attitude and use their expertise to improve projects beyond the brief, considering key factors like SEO, responsiveness, and overall quality.
Co-owner, Marketing Nice Guys
They consistently deliver on time and within budget, follow through on commitments, and stay proactive with communication - even when clients are slow to respond.
Looking to strengthen your online business with an app that automates processes and increases sales?
Vladimir Gubarev
COO and Co-founder
Jack Ananchenko
CТO and Co-founder
From eCommerce to fintech, our clients span 20 countries and every project is different.
How Stellar cut Shopify load time to under 2 seconds, increased conversions by 25%, reduced manual work by 40%, and helped drive 20% sales growth.
AfterCart migration to Shopify 2.0: removed delays caused by on-the-fly protection product creation and reduced the risk of transaction fee losses.
Peak season was 2–3 months away and the subscription store wasn't live yet. See how Stellar built it on Magento with Chargebee billing.
How we helped Côte&Ciel improve performance across three Shopify storefronts, while the EU store recorded a 7% YoY increase in conversion.
Custom quiz, calorie calculator, and multi-discount cart for a mobile-first Shopify store – built with Web Components + Alpine.js.
How we optimized a London antique retailer's Magento 2 store - custom analytics, faster search, −22% order processing time and +18% ROAS. 8-year partnership.
How Stellar migrated Baketivity from WooCommerce to Shopify Plus, rebuilt subscription logic, preserved data, and added ClassWallet features.
How we migrated King of Christmas from a hardcoded Dawn theme to Horizon, avoided an estimated 1,000+ development hours, and unlocked marketing autonomy.
See how Stellar moved a UK online pharmacy to Hyvä Themes, upgraded Magento to 2.4.7-p1, and hit Google's green Core Web Vitals - with zero downtime.
