+94 SATISFIED CLIENTS
Accelerate eCommerce growth with a Shopify Partner trusted across 20 countries.
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120+
successfully completed projects
95%
satisfied clients
3+
years average collaboration duration
20+
countries served
As a certified Shopify Partner, we help eCommerce brands launch, grow, and scale online stores on Shopify and Shopify Plus. By combining deep Shopify design and development expertise, a strategic approach, and a focus on long-term collaboration, we support sustainable business growth and ongoing eCommerce success. For us, Shopify is more than a technical platform - it is a tool for business growth. That is why 75% of our clients report increased sales within the first six months after launching or optimizing their stores, driven by solutions focused on improving conversion rates, performance, and customer experience.
We create custom Shopify solutions that help eCommerce companies scale their businesses, automate operations, and improve efficiency.
We design and build Shopify and Shopify Plus stores that support sales growth and business scalability:
We unlock the full potential of Shopify Plus to support complex business processes and rapid business growth:
We ensure a secure migration to Shopify without losing data, SEO performance, or critical business processes:
We connect Shopify with business systems to enable seamless data exchange and operational automation:
We create Shopify applications that extend platform capabilities and support unique business requirements:
We support Shopify stores after launch to ensure stable performance and continuous growth:
We build custom eCommerce applications that remove operational bottlenecks, connect fragmented systems, and support complex business processes at scale.
Challenge
Risk
Solution
Standard eCommerce platforms can’t support complex business logic
Teams rely on workarounds, manual operations, or restrictive platform limitations.
We build custom eCommerce apps around your actual workflows, rules, and growth requirements.
Critical processes are still handled manually
Higher operational costs, slower execution, and increased risk of human error.
We automate repetitive workflows, data processing, order handling, and other high-impact operations.
Business systems operate in isolation
Inconsistent inventory, customer, order, and product data across platforms.
We connect eCommerce platforms with ERP, CRM, PIM, WMS, 3PL, payment, and other systems through reliable integrations.
Existing apps struggle as traffic and operations grow
Performance issues, downtime, and technical limitations begin to affect revenue.
We optimize architecture, backend services, APIs, and infrastructure to keep applications fast and stable under growing load.
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.
We combine deep Shopify design and development expertise with a strong understanding of eCommerce business needs to build Shopify solutions that support long-term growth, improve operational efficiency, and align with strategic business objectives.
We combine deep Shopify design and development expertise with a strong understanding of eCommerce business needs to build Shopify solutions that support long-term growth, improve operational efficiency, and align with strategic business objectives.
Revenue Growth
We design and build Shopify solutions focused on increasing conversion rates, revenue, and overall business performance, not just on launching an online store.
Risk Reduction
Transparent processes, proven expertise, and extensive eCommerce experience help minimize technical risks and prevent costly mistakes throughout the project lifecycle.
Long-Term Partnership
Our support extends beyond launch. We help businesses continuously improve their stores through new features, integrations, optimizations, and automation.
Enterprise Solutions
We deliver complex integrations, custom business logic, advanced B2B functionality, and scalable architectures that go beyond the limitations of standard Shopify capabilities.
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.
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.
