Shopify Migration Case Study
From Shopify Constraints to Custom Freedom
- UK Pet Nutrition Brand
- Industry: Pet Products
- Migration + Bespoke Build
- Zero Downtime
A UK pet nutrition brand needed more than a new platform — they needed a store that could actually do what their products required. Alphamax delivered a bespoke WooCommerce build with native product complexity, measurably faster performance, and a revenue-optimised shopping experience.
40%
Faster page load speed (mobile)
£0
Transaction fees post-migration
100%
Data transferred with full integrity
0
App subscriptions retained (all replaced)
When the Platform Becomes the Problem
This client had outgrown what Shopify’s closed architecture could offer. Their product range required complex variant logic, weight formats, subscription options, and bundled feeding plans; functionality Shopify handled through a stack of expensive monthly apps, each one adding cost and reducing site speed.
Performance was a visible problem. The Shopify theme was loading slowly on mobile, where the majority of the client’s traffic arrived. Cart abandonment was rising, but the template structure prevented meaningful changes to the product page and checkout layout without a complete theme rebuild, which Shopify’s system would not allow.
They did not want to just migrate. They wanted a store that was built around their business logic, not retrofitted to a generic platform.
The Build
Bespoke, Not Off-the-Shelf
The scope went beyond a migration. The new WooCommerce build was designed from the product page outward — starting with what the client’s customers needed to see and do, and building the technical architecture to support it.
Platform Cost & Functionality Audit
Full audit of the Shopify app stack, theme performance, and product data structure. We identified which app functions could be replaced natively and which needed bespoke development. Calculated exact annual platform cost to establish the migration business case.
WooCommerce Architecture Design
Built on a private staging server. Product templates were rebuilt for the nutrition category — featuring weight-format toggles, subscription frequency options, and feeding calculator functionality, all without a single app subscription. The checkout was rebuilt to reduce friction at the key drop-off points identified in the audit.
Full Data Migration + SEO Preservation
Every product, subscription record, customer profile, and order was migrated to the new database. URL structure was preserved with a full 301 redirect map implemented before go-live. Metadata, schema markup, and canonical tags were built into the new architecture from day one.
Zero Downtime Domain Switch
Final QA on checkout, mobile performance, and data integrity. Domain pointed to new server with the existing Shopify site remaining live until DNS propagation confirmed. No orders were lost. The client's customers experienced no disruption.
What Was Built Natively
- Multi-format product variants (weight, size, quantity)
- Subscription & one-time purchase toggle
- Bundle builder for feeding plans
- Bespoke mobile checkout flow
- Product schema & structured data
- Trust signal placement at checkout
All of them
Every Shopify app function was replaced by native WooCommerce functionality. Zero recurring app costs from go-live.
Performance Outcomes
Faster. Smarter. Revenue-Driven.
Outcomes measured post-launch against the equivalent pre-migration period. Speed metrics via Google PageSpeed Insights.
40%
Faster page load speed on mobile
Bespoke build vs. previous Shopify theme
£0
Monthly transaction fee overhead
Platform ownership, every penny retained
0
App subscriptions retained
All replaced by native WooCommerce features
100
Data integrity post-migration
Products, customers, orders, all transferred clean
Why It Worked
Three Decisions That Drove the Outcome
Frequently Asked Questions
Common Migration Concerns, Answered
Yes. WooCommerce gives you direct access to the technical layer, which means product complexity — multi-variant configurations, subscription models, bundle builders, can be built natively without paying for app access to each feature. Shopify's closed system routes everything through third-party apps, each adding cost and performance overhead. See our eCommerce web design service for how we approach complex builds.
They hold if the migration is executed as an SEO project. We audit every URL before we start, build a full 301 redirect map, migrate all metadata, and implement structured data in the new build before go-live. The speed improvements from the bespoke WooCommerce build also contribute to post-migration organic performance. Learn more on our Shopify migration page.
It means the technical decisions are made with the conversion funnel in mind: product page layouts optimised for purchase, trust signals placed where buyer hesitation typically occurs, a checkout flow stripped of friction, and fast mobile performance throughout. It is not a visual redesign — it is a structured build decision at every layer of the store.
Every customer profile, subscription record, and historical order is transferred to the new WooCommerce database with full integrity. The migration runs on a private staging server and is verified before go-live. Your Shopify store continues to take orders until the domain switch is complete.
Migrations without bespoke build work typically complete in 7–14 days. When a full bespoke build is included — as in this case — the timeline extends to reflect the design and development scope. We provide a firm project timeline after the initial audit. Most clients are live within three to four weeks of the audit sign-off.
What Comes Next
See What Platform Freedom Looks Like
Book a Free Profit-Saver Audit
We calculate your exact Shopify costs, map your technical requirements, and show you what a bespoke WooCommerce build looks like for your specific store.
Or explore the full Shopify migration service.