Web Development Company Built to Grow Your Business Online

Shopify Development

Custom themes and app integrations for fast, on-brand, conversion-focused stores.

Delivery focus

Built to move from idea to production.

From custom themes to app integrations, our Shopify development services help brands launch and scale stores that are fast, on-brand, and built to convert. The work sits inside Web Development Company Built to Grow Your Business Online and is scoped, built, reviewed, and handed over as one engagement.

Custom Shopify themes

App integrations

Brand-focused design

Conversion optimization

Scope

ClickMasters builds custom Shopify and Shopify Plus stores for B2C and B2B brands. Performance-optimized Liquid themes, custom Shopify App development, and deep ERP integrations. Launch fast, scale reliably, and own your customer experience.

More Than a Store. A Conversion System Built on Shopify.

Custom Shopify Themes, Shopify Plus Implementations, and Headless Storefronts That Convert for D2C Brands and B2B Merchants

  • 4.6M active Shopify merchants worldwide the largest commerce platform on earth
  • $235B GMV processed on Shopify in 2023
  • 2.5s average Shopify theme LCP on mobile a $50K-$500K annual conversion opportunity
  • $500+/month Shopify Plus fee vs. unlimited custom checkout and B2B functionality

Shopify Plan Selection Basic vs. Shopify vs. Advanced vs. Plus

Getting this wrong means either overpaying for Plus features you do not use, or hitting the ceiling of Basic/Advanced when your business requires Checkout Extensibility, B2B accounts, or Flow automation.

  • Basic ($39/mo): 2.0% transaction fees (non-Payments), 2 staff accounts. Best for small brands, proof-of-concept, budget-first launch.
  • Shopify ($105/mo): 1.0% fees, 5 staff accounts. Best for growing D2C, multiple staff, some custom needs.
  • Advanced ($399/mo): 0.5% fees, 15 staff accounts. Best for scaling brands, advanced reporting, lower transaction fees.
  • Plus ($2,300/mo): 0.15% fees, unlimited staff. Full Checkout Extensibility, Shopify B2B, Flow automation, Launchpad, up to 9 expansion stores. Upgrade when GMV exceeds $80,000/month or B2B/checkout customization required.

What Is Shopify Development?

Shopify development is the end-to-end process of building, customizing, and optimizing online stores on Shopify's hosted commerce platform encompassing custom theme development in Liquid, Shopify Plus configurations including Checkout Extensibility and B2B features, custom app development using the Shopify API, ERP and 3PL integrations, and headless storefronts that decouple the Shopify backend from a custom Next.js frontend for maximum performance.

Checkout Extensibility The Most Important Shopify Plus Change in Years

⚠️ checkout.liquid was deprecated August 2024. Any Plus merchant previously using checkout.liquid must migrate to Checkout Extensibility. Stores still running checkout.liquid customizations are now on deprecated functionality that Shopify will no longer support or update.

  • Custom checkout branding full control over colors, typography, logo, and layout through the Checkout Editor
  • Checkout UI extensions React-based components at specific points via Checkout Extensibility
  • Post-purchase extensions one-click upsell offers, surveys, subscription prompts post-order confirmation
  • Order status page extensions custom content on thank-you page
  • Checkout validation server-side functions that enforce business rules before checkout completion

Shopify Performance Core Web Vitals and Conversion Rate

Shopify stores running popular themes (Dawn, Debut, Brooklyn) typically achieve Lighthouse Performance scores of 55-70 on mobile with default configuration. With 10-15 apps installed, mobile scores can drop to 35-50 with LCP above 4 seconds.

  • Unoptimized hero image: LCP 3.5-6s → WebP format, responsive srcsets, preload hint
  • App JavaScript bloat: INP 400-800ms → App impact audit, remove low-ROI apps, defer non-critical scripts
  • Layout shift from apps: CLS 0.3-0.8 → Placeholder dimensions, load embeds below fold
  • Render-blocking fonts: LCP penalty 200-500ms → font-display: swap, preconnect to font CDN
  • No lazy loading: Initial page weight 2-5MB → Native lazy loading, next-gen formats, CDN optimization

When Shopify Is NOT the Right Platform

ClickMasters will tell you honestly if another platform is the correct answer before any commercial discussion. Build on WooCommerce or a custom platform when: B2B pricing and catalog requirements exceed Shopify's B2B features even at Plus tier; your product configurator cannot be replicated within Shopify's variant system; integration with legacy ERP systems requires deeper database-level access than Shopify's API exposes; or you need complete data ownership with no platform dependency.

What this engagement delivers

Custom Theme Development

Building bespoke Liquid-based themes that align with your brand identity and optimize for conversion. No generic templates just high-performance commerce.

Shopify Plus Enterprise

Leveraging Plus-exclusive features like Checkout Extensibility, Shopify Flow for automation, and Launchpad for high-volume sales events.

Shopify B2B & Wholesale

Setting up company accounts, customer-specific price lists, and purchase order payment terms to serve your trade clients professionally.

App Integration & Dev

Connecting Klaviyo, ReCharge, and Yotpo seamlessly, or building custom Shopify Apps to solve unique business logic requirements.

Platform Migration

Moving from Magento, BigCommerce, or WooCommerce to Shopify while preserving every order, customer, and SEO ranking link.

Performance Optimization

Technical SEO and CWV optimization to achieve 90+ Lighthouse scores on mobile, including app impact audits and removal of low-ROI app bloat.

Process

  1. Phase 1 · Week 1

    Strategy & Discovery

    Shopify plan recommendation, brand audit, conversion audit, and tech stack decision delivered as Shopify Strategy Document.

  2. Phase 2 · Week 2-4

    UX/UI Design

    Mobile-first Figma design for all page templates with conversion architecture product image hierarchy above fold trust signals, add-to-cart prominence.

  3. Phase 3 · Week 3-8

    Theme Development

    Liquid theme development with custom sections, metafield integration, and performance budget enforced from first commit via Lighthouse CI.

  4. Phase 4 · Week 5-9

    App Integration

    Install and configure Klaviyo, reviews, loyalty, Gorgias, subscriptions, and Checkout Extensibility (Plus). All apps performance-tested post-install.

  5. Phase 5 · Week 8-10

    QA & Performance

    End-to-end QA on all devices, Core Web Vitals validation at Good thresholds, data migration, 301 redirects, Search Console submission.

  6. Phase 6 · Week 10-11

    Launch & Support

    DNS cutover with zero downtime, production order validation, 30-day post-launch support with conversion rate and CWV monitoring.

Tech stack

Core Platform
Shopify, Shopify Plus
Development
Liquid, Hydrogen (Oxygen), Shopify CLI, Remix
API
Storefront API, Admin API, Cart API, Checkout Extensibility
Automation
Shopify Flow, Script Editor, Launchpad
Ecosystem
Klaviyo, ReCharge, Okendo, Yotpo, Gorgias, LoyaltyLion
Ops
GitHub, Vercel (for Hydrogen), Netlify, ShipStation

How we work

Architecture

Lean app-free logic where possible | Basic: App-heavy plugin spaghetti

Conversion

Custom checkout extensibility | Basic: Rigid standard checkout

B2B Depth

Plus B2B catalog implementation | Basic: Retail-only setups

Integrations

Deep ERP / Netsuite sync | Basic: Simple Zapier connections

Ownership

Full Liquid source transfer | Basic: Locked vendor themes

Where this is used

D2C Fashion & Beauty

Rich storytelling themes with high mobile conversion, loyalty integration, and editorial lookbooks.

B2B Wholesale

Trade portals with negotiated pricing, restricted catalog visibility, and purchase order terms.

Subscription Brands

Integration with ReCharge or Skio for recurring revenue products and dunning management.

Health & Wellness

Compliance disclaimers, subscription billing, age verification, and international Shopify Markets.

Pricing guidance

These ranges are planning anchors. The quote names scope, timeline, and what is excluded. Talk through a quote.

Custom Shopify Theme

$8,000 - $22,000

5 - 9 weeks

Full custom Liquid theme, CWV compliant, all page templates

Shopify Plus Implementation

$12,000 - $35,000

6 - 10 weeks

Plus setup, Checkout Extensibility, B2B, ERP integration

Shopify B2B Configuration

$8,000 - $25,000

4 - 8 weeks

Company accounts, price lists, PO payment, rep portal

Migration to Shopify

$8,000 - $30,000

4 - 8 weeks

Moving from WooCommerce/Magento without losing SEO rank

FAQs

How much does Shopify development cost?

Shopify development costs range from $2,000 for a store audit to $55,000 for a headless Shopify storefront with Next.js. A custom Shopify theme costs $8,000-$22,000 (5-9 weeks). A Shopify Plus implementation with Checkout Extensibility, B2B, and ERP integration costs $12,000-$35,000 (6-10 weeks). A custom Shopify app costs $10,000-$40,000. All pricing is fixed after a free strategy session.

What is the difference between Shopify and Shopify Plus?

Shopify Plus ($2,300+/month) is the enterprise tier. Key Plus-only capabilities: Checkout Extensibility (custom checkout UI and validation), Shopify B2B (company accounts with customer-specific price lists, purchase order payment), Shopify Flow (workflow automation), Launchpad (scheduled flash sales), unlimited staff accounts, lower transaction fees (0.15% vs 2.0% on Basic), and expansion stores. Breakeven where fee savings offset higher cost is typically $80,000 GMV/month.

What is Checkout Extensibility in Shopify Plus?

Checkout Extensibility is Shopify's composable checkout customization system for Plus merchants, which replaced deprecated checkout.liquid in August 2024. It enables custom UI extensions (React components at specific checkout positions), post-purchase extensions (one-click upsells, surveys), order status page extensions, checkout validation (server-side business rule enforcement), and branding customization. Stores still using checkout.liquid are on deprecated functionality and should migrate as a priority.

How long does it take to build a Shopify store?

A custom Shopify theme takes 5-9 weeks. Theme customization takes 2-4 weeks. Shopify Plus implementation takes 6-10 weeks. Migration from WooCommerce takes 4-8 weeks. Headless Shopify takes 7-12 weeks. Factors affecting timeline: design provided or required, number of custom sections, ERP integration complexity, and data migration inclusion. ClickMasters delivers staging demos every 2 weeks.

Can you migrate our WooCommerce store to Shopify?

Yes. WooCommerce to Shopify migration covers: product, variant, image, metafield export/import; customer account migration with password reset on first login; historical order migration; 301 redirect mapping (every WooCommerce URL to Shopify equivalent non-negotiable for SEO); new Shopify theme development; and parallel operation until validation before DNS cutover.

How do you improve Shopify store performance and Core Web Vitals?

Common fixes: unoptimized hero images (WebP, preload, srcset), app JavaScript bloat (audit and remove low-ROI apps, defer non-critical scripts), render-blocking fonts (font-display: swap, preconnect), theme code size (remove unused CSS/JS sections), layout shift from apps (explicit placeholder dimensions, load embeds below fold). ClickMasters audits per page type, prioritizes fixes by revenue impact, and delivers Core Web Vitals "Good" thresholds.

What is Shopify B2B and what can it do?

Shopify B2B is a native Shopify Plus feature enabling wholesale sales without a separate platform. Capabilities: company accounts (multiple locations and contacts per company), price lists (percentage discounts or fixed prices per company), payment terms (Net 30/60/90 with automatic invoices), draft orders (sales reps create, customers review and place), purchase order collection (PO number captured at checkout), and minimum order requirements enforced at cart.

Do you build custom Shopify apps?

Yes. ClickMasters builds three types: embedded apps (custom interfaces embedded in Shopify admin via App Bridge), theme app extensions (custom blocks that survive theme updates without code editing), and checkout extensions (custom UI and validation via Checkout Extensibility). Custom apps are appropriate when no App Store app meets requirements, when a unique business process needs admin embedding, or when tight ERP/CRM integration requires bespoke data flow.

Why choose Shopify over WooCommerce?

Shopify is a hosted, managed platform no server maintenance, security patches, or hosting performance concerns. It is better for brands that want to focus on selling rather than managing infrastructure. WooCommerce offers more data ownership and flexibility but requires ongoing maintenance and hosting management.

Do I need Shopify Plus?

Shopify Plus is recommended for brands doing over $1M GMV or requiring advanced B2B features, custom checkouts, Checkout Extensibility, or dedicated enterprise support. We help evaluate ROI based on your specific requirements including transaction fee savings analysis.

Related reading

Shopify Development is one line inside Web Development Company Built to Grow Your Business Online. Teams with an adjacent problem often compare it with Custom Web Development Services and Web Application Development. For a written delivery narrative, read the SaaS booking platform QA case study and the rest of the case studies.