Custom Shopify Stores
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Shopify Stores Designed, Developed & Customized for Your Business.

We build, migrate, and customize Shopify and Shopify Plus stores, then keep improving speed, search visibility, and conversions. One accountable team, from first sketch to steady growth.

  • ✓ Shopify Store Development: Shopify stores designed around your brand.
  • ✓ Migration to Shopify: Move products, customers, orders, collections.
  • ✓ Shopify Theme Customization: Transform your Shopify theme to match your brand.
  • ✓ Custom Shopify Apps: Develop custom applications around your specific business.

Scale Your Shopify Store

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Reviews

ATH Infosystems delivers cost-effective, high-quality solutions with a strong focus on timely execution and responsive support. Clients appreciate the consistent results and reliability, making them a trusted partner for successful project outcomes.

4.9

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5.0

"ATH Infosystems is noted for providing value for cost, with pricing that fits client budgets. They are responsive and deliver projects on time, with successful outcomes reported across projects, though some clients suggested improved resource allocation."

Chairman, Venue Marketplace

Ron Drori

Verified Review

5.0

"The team is highly responsive and consistently consistent, even when there are staffing changes. ATH Infosystems' project management is truly excellent. The client communicates with the team very easily via email and messaging apps efficiently"

CEO, THC Technologies Corporation

Frances M. Lynch

Verified Review

4.7

"The team has been responsive and paid close attention to timelines and deliverables. Moreover, the team has communicated well via virtual meetings, email, and messaging apps. The team's professionalism, consistency, and dedication have been impressive."

Managing Partner, Retail Co

Kent

Verified Review
+43%
Average CVR Increase
< 1.1s
Average Page Load Speed
$120M+
Client Revenue Scaled
100%
On-Time Sprint Delivery
What We Do Best

Full-Stack Shopify Engineering Built for Scale

We bridge high-end brand aesthetics with ruthless conversion rate science so every ad dollar works harder.

🚀

Shopify Development Services

End-to-end Shopify development planned around your stage of growth, from launch and migration to advanced scaling, with design, code, and integrations working together.

  • ✓ Launch-ready Shopify stores
  • ✓ Growth-focused custom development
  • ✓ Design, code & integrations aligned
🏪

Shopify Store Development

New Shopify stores built around your catalog, payments, shipping, taxes, and essential apps, giving your business a reliable foundation from day one.

  • ✓ Catalog & product setup
  • ✓ Payments, shipping & tax configuration
  • ✓ Essential app integrations
🔄

Migration to Shopify

Structured migrations from WooCommerce, Magento, BigCommerce, Wix, or custom carts, moving critical store data while preserving important SEO signals.

  • ✓ Products, customers & order history
  • ✓ 301 redirects for SEO continuity
  • ✓ Structured platform migration
🎨

Shopify Theme Customization

Custom Online Store 2.0 experiences with editable sections, clearer product and collection pages, and mobile-first layouts written in clean Liquid.

  • ✓ Online Store 2.0 sections
  • ✓ Custom product & collection layouts
  • ✓ Mobile-first clean Liquid
🧩

Custom Shopify Apps

Purpose-built private and public Shopify apps developed with Shopify APIs when existing apps are too slow, expensive, or unable to support your workflow.

  • ✓ Private & public app development
  • ✓ Shopify API integrations
  • ✓ Workflow-specific functionality
⚡

Shopify Plus & Headless

Advanced Shopify solutions for B2B, international selling, Shopify Markets, checkout extensions, and Hydrogen storefronts where greater control is required.

  • ✓ Shopify Plus & B2B solutions
  • ✓ Markets & checkout extensions
  • ✓ Hydrogen headless storefronts

How We Redesigned and Developed ShintosPetFood.com on Shopify

Shinto's Pet Food is a California maker of fresh, whole-food pet food — they cook, package and ship everything themselves. They needed a store that tells that story as clearly as their food does, so we rebuilt ShintosPetFood.com on Shopify from the ground up.

  • Story-led Redesign
  • Guided Shopping Journeys
  • Personalize Your Plan Calculator
  • Mix & Match Builder
  • Subscriptions and Rotational Feeding
  • Flexible Fulfillment
  • Custom Pet Profile App
  • Structured Catalog and Email Automation

Connected tools: Shopify (Online Store 2.0 theme customization), Shopify Metafields and Metaobjects, Shopify Flow, Appstle Subscriptions, Klaviyo (email marketing and automation), Shopify CLI (custom app development), Node.js, Prisma and PostgreSQL (Pet Profile app backend), GitHub (theme version control) and Shop Pay.

Trusted by 500+ Clients Globally

Clients We Have Worked With

Trusted by 500+ clients worldwide, from growing startups to established enterprises.

Case Studies

Discover our growing portfolio of digital products and technology solutions that accelerate business transformation for global enterprises and SMBs from different verticals.

E-commerce on BigCommerce Platform

E-Commerce Website Development on BigCommerce Platform

This project involved designing and developing an advanced e-commerce website on the BigCommerce platform.

View Case Study
Diamond Club Jewellery E-Commerce Portal

E-Commerce Portal on BigCommerce Platform

Diamond Club Jewellery sought to create a powerful, user-friendly e-commerce portal on BigCommerce tailored to the jewelry industry.

View Case Study
Insurance Website Development & Design

Remuny Insurance Website Development

Remuny Insurance is an innovative provider looking to enhance its online presence and provide a seamless user experience.

View Case Study
Our Sprint Model

From Ad Strategy to Live Storefront

A predictable, fast-paced sprint process that guarantees launch dates without scope creep.

01

Deep CRO Discovery

We analyze heatmaps, analytics, ad copy angles, and customer friction points to map out wireframes.

02

Conversion UX/UI

High-fidelity Figma prototypes designed to maximize mobile scroll depth, tap targets, and frictionless buying.

03

Clean Engineering

Custom theme 2.0 development with zero redundant scripts, native upsells, and sub-second asset loaders.

04

QA & Scaling

Rigorous cross-device testing, payment gateway stress tests, and analytics tracking validation before ad launch.

Got Questions?

Frequently Asked Questions

Everything you need to know before initiating your Shopify development project.

How fast can you build or revamp our Shopify store? ↑
Typical custom Shopify builds and complete revamps take between 3 to 5 weeks. Dedicated high-converting paid ad landing pages and single-funnel experiences can be delivered in as fast as 7 to 10 business days.
Will our team be able to easily make edits after launch? ↓
Absolutely. We build exclusively on Shopify Online Store 2.0 with modular, dynamic blocks. Your marketing team can change copy, images, announce bars, and product grids with zero code required.
Do you guarantee improvements in page speed? ↓
Yes. We audit every single script, CSS file, and app. We target and guarantee a 90+ Google Mobile PageSpeed benchmark for all custom builds, ensuring ad traffic bounces as little as possible.
Can you migrate our products and customer history without data loss? ↓
Yes, our migration engineers handle millions of records annually across Magento, WooCommerce, Salesforce, and custom platforms. We perform automated schema validation, order matching, and comprehensive 301 redirect mapping to preserve your SEO rankings.

Ready to Double Your Shopify Conversion Rate?

Stop burning your ad budget on slow, high-friction storefronts. Speak directly with a Senior Shopify Architect today.

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