Expert Shopify CRO Services

Stellar boosts Shopify sales via data-driven UX, speed, and checkout.

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

Why Our Shopify CRO Agency?

At Stellar, we don’t just optimize — we help you grow. Our solution-first approach focuses on real results, improving sales, user experience, and revenue.

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.

magento
shopify
shopify plus

Ca'Pietra: From Magento to Shopify Plus - Retail and a Native B2B Portal in One Store

We migrated Ca'Pietra’s B2C store and B2B portal from Magento to Shopify Plus, using native Shopify features and apps for trade workflows. B2C launched on time and budget; the trade portal followed on

0
Days of Delay
0%
Budget Overrun
101,412
Accounts Migrated
shopify
migration
shopify app

The hard part wasn't the migration: BERING from Shopware to Shopify

A Danish watch and jewellery brand moved to Shopify with a full storefront redesign: a faster site, independent releases for the EU and the US, and localization the client's own team runs.

~20%
Faster Performance
2
Stores across multiple markets
100%
Shipped under live traffic
Fashion website homepage featuring four models in green checkered outfits.
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
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
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

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.

~79%
Green Core Web Vitals
Up to +30
Lighthouse Gains
3
Markets, One Process
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
0
Data Loss
$
Custom Subscriptions
shopify

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.

1,000+
Hours Avoided
4
Custom Modules
100%
Content Autonomy
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 app

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
magento

Checkout That Behaves Differently in Every Market

See how Stellar engineered a multi-market Magento 2 checkout with custom business logic, REST API integrations, and 2+ years of continuous support.

2024
Partnership start
6
Team size
2+
Years engaged
shopify app

From Google Sheets to a Custom Shopify App: Automating Revenue Forecasting for eCommerce Merchants

Custom Shopify app replacing a Google Sheets-based forecasting workflow with automated order imports, an interactive dashboard, and alerts. See how!

Automated
Data Processing
Interactive
Dashboard
STABLE
Autosacaling
magento

A Redesign That Required Rebuilding the Foundation

Learn how Stellar migrated NLPG's Magento 2 bookstore to Hyvä in just 3 months, preserving business logic, third-party modules, and uninterrupted sales.

3 mo
Audit to launch
15
Team size
0
Features lost
Why us

Why Businesses Trust Stellar for eCommerce App Development

We combine deep eCommerce expertise, integration experience, and a product-focused development approach to build scalable applications that support complex operations and long-term growth.

Group of smiling people in white hoodies giving thumbs up.
01

eCommerce-Focused Team

We bring together experienced developers, architects, and product specialists with hands-on expertise across complex eCommerce platforms, workflows, and integrations.

02

100+ Integration Projects Delivered

We have practical experience connecting eCommerce systems with ERP, CRM, PIM, WMS, 3PL, payment gateways, and other business-critical platforms.

03

Custom Apps for Complex Operations

We build tailored applications for automation, backend workflows, integrations, customer experiences, and platform-specific business requirements.

04

Long-Term Product Partnership

We support applications beyond launch with continuous development, optimization, scaling, and technical improvements as business requirements evolve.

Shopify CRO Process

Our Shopify CRO services help identify conversion barriers, improve customer journeys, and turn more existing store traffic into revenue through data-driven optimization.

  • 01

    Audit Store Performance

    We review analytics, conversion funnels, user behavior, traffic sources, and key storefront pages to identify where customers drop off.

  • 02

    Identify CRO Opportunities

    We prioritize issues across navigation, PDPs, collections, cart, checkout, mobile UX, and other conversion-critical touchpoints.

  • 03

    Define Test Strategy

    We create hypotheses, prioritize experiments, and define measurable KPIs based on potential business impact and implementation effort.

  • 04

    Implement Improvements

    We optimize UX, content, layouts, merchandising, product pages, cart flows, and Shopify theme functionality.

  • 05

    Test & Measure

    We track conversion rate, revenue, engagement, and experiment results to understand which changes deliver measurable improvements.

  • 06

    Optimize Continuously

    We use performance data and customer behavior insights to refine the storefront and continuously improve conversion efficiency.

Technologies and frameworks

Technology Stack Behind Our Shopify CRO Services

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

GA4Google Tag ManagerShopify AnalyticsMicrosoft ClarityHotjarElevarMeta PixelReddit PixelConsentmoGoogle Consent ModeJudge.meTrustpilotReviews.ioShopliftPersonizelyGoogle LighthouseGoogle PageSpeedGTmetrix

Businesses That Trust Us with Development

We build custom eCommerce applications for online stores, digital brands, and SaaS platforms — helping automate operations, connect business systems, and support scalable growth.

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.

Claim your free CRO plan!

Contact us and receive your own Click-rate-optimization plan for free.


Vladimir gubarev

Vladimir Gubarev

COO and Co-founder

Jack ananchenko

Jack Ananchenko

CEO and Co-founder

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