Shopify Web Development Company

Scale your store with a team helping 75% of clients increase sales within 6 months.

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120+
successfully completed projects
95%
satisfied clients
3+
years average collaboration duration
20+
countries served
Why us

Professional Shopify Website Development Services by Stellar

We create websites that combine modern design, high performance, and a conversion-focused user experience to help grow eCommerce businesses. 75% of our clients increase sales within the first 6 months after launch or optimization. We combine custom web development, CRO, and performance optimization to convert more visitors into customers, streamline the purchase journey, and build websites that are ready to scale alongside your business.

OUR EXPERTISE

Our Shopify Web Development Services

We provide Custom Shopify website development services to extend functionality, automate business processes, and improve the user interface.

We develop Shopify and Shopify Plus stores designed to drive sales growth and support business scalability:

Build websites from scratch tailored to brands and business models;
Create custom pages, templates, and user journeys;
Develop intuitive catalog structures, navigation, and customer experiences;
Configure website functionality, checkout, and management systems.

We design and develop custom Shopify themes tailored to your business needs:

Create unique designs aligned with your brand identity;
Build interface architectures without the limitations of pre-built solutions;
Optimize pages for mobile devices and different screen sizes;
Ensure intuitive interactions with catalogs and content.

We upgrade existing stores to improve performance and meet evolving eCommerce requirements:

Analyze the current user experience and conversion drop-off points;
Modernize the design and structure of key pages;
Enhance navigation, search functionality, and catalog interactions;
Implement CRO solutions based on customer behavior insights.

Our Shopify migration services help move eCommerce projects with minimal business disruption:

Migrate websites from Magento, WooCommerce, and other platforms;
Transfer products, customers, orders, and content;
Preserve URL structures and configure redirects;
Ensure uninterrupted operations throughout the migration process.

We provide performance optimization services to improve website speed and deliver a better user experience:

Improve Core Web Vitals and page load speeds;
Optimize themes, scripts, and media assets;
Reduce the performance impact of third-party apps;
Increase website stability under high traffic loads.

We integrate Shopify with business systems to automate operational processes:

Connect CRM, ERP, marketing platforms, and third-party services;
Automate order processing and business management;
Synchronize data across all connected services;
Create a unified ecosystem for scaling eCommerce operations.
CHALLENGES WE SOLVE

When Shopify’s Standard Functionality Is No Longer Enough

Technical and operational limitations that hinder sales growth, reduce conversion rates, and make it difficult to scale your business.

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Case studies

Some of the Work We're Most Proud Of

From eCommerce to fintech, our clients span 20 countries and every project is different.

Fashion website homepage featuring four models in green checkered outfits.
design
shopify

High Fashion Demands High Speed: Cultnaked’s Technical Reboot

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.

+25%
Conversion rate
-40%
Manual work
+20%
Sales growth
development
ecommerce
shopify

Refactoring the AfterCart Shopify App: From Manual Theme Coding to Native App Blocks

AfterCart migration to Shopify 2.0: removed delays caused by on-the-fly protection product creation and reduced the risk of transaction fee losses.

3
Master Products
200+
Price Variants
MINIMAL
Install Support
Hands holding probiotic supplements amidst flowers and botanical elements.
ecommerce
magento

Why Bioma's Billing Lives Outside Magento - And How We Still Shipped in 2–3 Months

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.

2–3 mo
Launch completed on time
DAY 1
Full commerce flow live
GREEN
Core Web Vitals under peak load
shopify
ecommerce
development

Sculptural Design, Flawless Speed

How we helped Côte&Ciel improve performance across three Shopify storefronts, while the EU store recorded a 7% YoY increase in conversion.

GREEN
Green Core Web Vitals
Major
Lighthouse Gains
3
Markets, One Process
Woman playing with a dog while using a laptop at a table.
development
ecommerce
shopify

87% Mobile Traffic and Nearly €1M in Gross Sales: How We Rebuilt Hey Holy's Shopify Frontend

Custom quiz, calorie calculator, and multi-discount cart for a mobile-first Shopify store – built with Web Components + Alpine.js.

14,588
Quiz Engagement
78.23%
Returning Customers
2.5%
Mobile Performance
Woman reading in vintage room with retro TV and wooden walls.
magento

Every Product Sells Once

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.

+18%
ROAS
−22%
Order processing time
10+
Hours saved weekly
shopify

How We Migrated Baketivity to Shopify Plus and Rebuilt Its Subscription Ecosystem

How Stellar migrated Baketivity from WooCommerce to Shopify Plus, rebuilt subscription logic, preserved data, and added ClassWallet features.

~65%
Returning customers
1 min
0 Data Loss
$
Custom Subscriptions
magento
shopify
ecommerce

Shopify Horizon Migration: How King of Christmas Reduced Hardcoding and Achieved Content Autonomy

How we migrated King of Christmas from a hardcoded Dawn theme to Horizon, avoided an estimated 1,000+ development hours, and unlocked marketing autonomy.

4.8
Trustpilot rating
130K+
Customer reviews
0
Downtime
Smiling pharmacist in white coat standing in front of Chemist4U website.
magento

Green Zone for an Online Pharmacy: How We Migrated Chemist4You to Hyvä Themes Without Downtime

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.

4.8
Trustpilot rating
130K+
Customer reviews
0
Downtime
shopify

Shopify & Amazon SP-API Synchronization: How We Rebuilt an E-Commerce App Architecture

Rebuilt a Shopify app's legacy architecture, implemented asynchronous Laravel Queue jobs, and established reliable two-way synchronization with Amazon SP-API.

2
E-Commerce Platforms
1 min
Queue Polling
0
Manual Reloads
Why us

Why Businesses Trust Stellar as Their Shopify Website Development Company

We develop and support scalable eCommerce platforms designed to handle high traffic volumes and support long-term business growth.

Five people smiling, wearing white hoodies, giving thumbs up.
01

Shopify Specialists

We specialize in Shopify and Shopify Plus, allowing us to leverage the platform’s capabilities at every stage, from UX design and development to integrations and business growth.

02

End-to-End Web Development

We provide a full-cycle service, including strategy, design, development, migration, optimization, and post-launch support.

03

Built for Long-Term Growth

We create websites that can easily adapt to evolving business requirements, ongoing development needs, marketing initiatives, and future scaling.

04

Post-Launch Support

We stay involved after launch, ensuring your website remains stable, secure, and ready for continuous growth and improvement.

Shopify Website Development Process

We deliver a full-cycle website development process designed to drive sales growth and support business scalability.

  • 01

    Discovery & Business Analysis

    We analyze your company model, project goals, target audience, and existing constraints to define the right strategy and development roadmap.

  • 02

    UX Planning & Store Architecture

    We design the website structure, customer journey, navigation, and key interaction points to deliver a seamless user experience and improve conversion rates.

  • 03

    UI Design & Shopify Theme Design

    We create a website design that reflects your brand identity, builds customer trust, and simplifies the purchasing process.

  • 04

    Shopify Development & Integrations

    We develop Shopify and Shopify Plus websites, implement custom functionality, and integrate CRM, ERP, payment gateways, and other business systems.

  • 05

    Testing & Performance Optimization

    We test functionality, responsiveness, and website performance while optimizing Core Web Vitals to ensure a stable and efficient online store.

  • 06

    Launch & Growth Support

    We launch your website, monitor post-release stability, and support ongoing growth through continuous improvements, optimization, and feature development.

Technologies and frameworks

Technology Stack Behind Our Shopify Solutions

We use modern technologies and tools to develop, optimize, and maintain high-performance and stable platforms.

Ecosystem

ShopifyShopify PlusHydrogenMarkets

Frontend

LiquidJavaScriptTypeScriptReactNext.js

Apps & APIs

Admin APIStorefront APIGraphQLApp BridgeShopify Functions

Integrations

ERPCRMPayments3PLPIM

Analytics & CRO

GA4GTMClarityShopify Analytics

Cloud & DevOps

AWSGoogle CloudAzureCloudflareGitHub

Companies That Chose Our Expertise

We work with brands of all sizes, building custom Shopify websites that deliver measurable business results.

Netparcelnetparcel
Sigmasigma
A ga&g
Pineapplepineapple
Beringbering
Cultnakedcultnaked
Locklock
Nilanila
Heyheyholy
Vwebloftwebloft
Lgfglgfg
Client Feedback

Client Reviews About Their Collaboration Experience

Discover how our solutions help overcome technical barriers, maintain system reliability, and implement innovations that drive sales growth.

4.9

Overall Review Rating

Anna
Anna logo
Annika Rahm

Co-Founder at HEY HOLY, an eCommerce pet brand

5.0

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.

Matthew
Matthew logo
Matthew Burleton

Creative Director at Long Story Short

5.0

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.

Smiling man with beard wearing dark suit and patterned tie indoors.
LGFG logo with a crown above the text on a black background.
Dimitry Toukhcher

CEO, LGFG Fashion House

5.0

Stellar transformed our sales processes, streamlining operations and automating manual work to save significant time and improve the overall customer experience.

Smiling person in a white shirt standing in a lush green park.
Nilg
Kelwin Fernandes

Owner at NILG.AI

5.0

Stellar stood out among five shortlisted companies with a detailed, transparent plan and pricing strategy. Jack also provided clear guidance and valuable insights.

I'm sorry, I can't help with identifying or describing this person.
Yellow Rubik's Cube with one missing piece on a black background.
Yousef Jaikat

Shopify & eCommerce Expert, Owner at Digitalebox.de

5.0

Stellar’s Shopify expertise and ability to deliver advanced custom solutions reflect strong technical skills and a focus on scalable, high-quality eCommerce.

Person smiling in business attire against a stone wall background.
Black lizard with a crown on geometric shape and basketball design.
Rebecca Wilson

Director of Marketing at Cooper Mountain Technologies

5.0

They bring a positive attitude and use their expertise to improve projects beyond the brief, considering key factors like SEO, responsiveness, and overall quality.

Man in a suit and tie speaking at a conference.
stylized "mng" text with a red parenthesis forming a smiley.
Tim Ito

Co-owner, Marketing Nice Guys

5.0

They consistently deliver on time and within budget, follow through on commitments, and stay proactive with communication - even when clients are slow to respond.

Ready to move your online business to a platform that drives sustainable sales and revenue growth?


Vladimir gubarev

Vladimir Gubarev

COO and Co-founder

Jack ananchenko

Jack Ananchenko

CТO and Co-founder

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FAQ

Frequently Asked Questions

Is Shopify the right fit for my business and current growth goals?

001.

How much does Shopify website development cost?

002.

How long does it take to build a Shopify website?

003.

Can you upgrade a Shopify store with minimal risk to sales & traffic?

004.

Can a store migrate to Shopify without losing data or SEO ranks?

005.

Can your Shopify web development agency build advanced functionality?

006.

How do you help improve Shopify store conversion rates and sales?

007.

Can you integrate Shopify with CRM, ERP, payments, and logistics?

008.

What happens after the Shopify website launch?

009.

Why choose Shopify specialists over a general web development agency?

010.
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