Legacy Platform Migration
Legacy platforms and custom-built stores accumulate technical debt that slows the business: slow pages, broken integrations, no mobile optimization, and the constant cost of maintaining aging infrastructure. Moving to Shopify clears the debt and gives you a platform that scales without the overhead. We handle the migration so you do not lose the SEO equity, customer data, or revenue you have built.
For Shopify brands doing $10K to $100K+/month
The Problem
Legacy platforms and custom stores do not fail loudly. They drain the business gradually through slow pages, maintenance costs, integration failures, and conversion rates that never improve because the platform cannot support the changes needed.
The cost is often invisible in isolation. Visible only when you add it up.
The real cost of staying on a legacy platform is not the monthly hosting bill. It is the revenue gap between where you are and where you could be on modern infrastructure.
The Solution
Moving off a legacy platform requires more planning than a standard replatforming because the data is often messier, the URL structures are idiosyncratic, and the integrations are custom-built with no documentation.
We start with a thorough audit of what exists, what needs to move, and what can be improved in the process. The migration is a clean break from technical debt, not just a copy of a broken architecture onto a new platform.
What's Included
Revenue Impact
Page Speed
Legacy platforms and custom stores routinely have Core Web Vitals scores that penalize search rankings. Moving to Shopify's CDN-backed infrastructure typically produces speed improvements that immediately benefit SEO and conversion rate.
Developer Cost
Custom legacy platforms require ongoing developer investment just to keep running. Shopify is a managed platform. That maintenance budget redirects to growth work instead.
Conversion Rate
Legacy platforms often have outdated mobile experiences and checkout flows that cannot be improved without significant custom development. Shopify gives you a modern baseline from day one.
Integration Reliability
Custom integrations on legacy platforms break unpredictably. Shopify's native app ecosystem and APIs provide stable, maintained connections to every major tool in your stack.
How We Work
We inventory every component of your current platform: custom code, database structure, URL patterns, integrations, and organic traffic baseline. We document what needs to migrate and what needs to be rebuilt.
We produce a documented migration plan covering data transformation, URL mapping, technical debt decisions, theme approach, and go-live sequencing.
We build the Shopify store in staging: migrate data, build or configure the theme, set up integrations, and implement the redirect map. Custom functionality is rebuilt using Shopify-native tools where possible.
We run pre-launch QA covering data accuracy, redirect testing, checkout flow, speed benchmarks, and cross-device testing against the staged store.
We handle DNS cutover and monitor traffic, rankings, and conversions through launch and for 30 days post-go-live.
Tech Stack
Why Others Fall Short
Legacy platform migrations are the hardest category of replatforming because the source data is inconsistent, the integrations are undocumented, and the URL structures are unpredictable. Most agencies do not account for this added complexity.
We treat legacy migrations as higher-complexity projects with appropriate planning, documentation, and validation built in.
FAQ
Related Services
Start with a free migration assessment. We will audit your legacy platform, scope the work, and show you what Shopify looks like on the other side.
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