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Migration Guide

9 min read

# Magento to Shopify Plus Migration: The 2026 Playbook

A practical, no-fluff guide to moving from Magento (Open Source or Adobe Commerce) to Shopify Plus — covering cost, timeline, data, SEO, integrations, and the mistakes that quietly cost six figures.

By Mejix Published May 7, 2026 Updated May 7, 2026 

![Magento storefront migrating to Shopify Plus, illustrated as a controlled data flow](/assets/magento-migration-hero-PzOLTTU7.webp)

**TL;DR —** A practical, no-fluff guide to moving from Magento (Open Source or Adobe Commerce) to Shopify Plus — covering cost, timeline, data, SEO, integrations, and the mistakes that quietly cost six figures.

## Why merchants are leaving Magento for Shopify Plus

Magento built its reputation on flexibility. The trade-off — engineering overhead, fragile upgrades, and a stack that needs a full-time team to keep alive — is what's pushing mid-market and enterprise merchants to Shopify Plus in 2026.

-   Magento 1 has been end-of-life since June 2020. No security patches, no PCI compliance path forward.
-   Adobe Commerce (Magento 2) license fees start at ~$22K/yr and scale with GMV — before hosting, devs, or extensions.
-   Hosting and infrastructure for a stable Magento 2 store typically run $20K–$60K per year on top of the license.
-   A working Magento 2 deployment usually requires 1–3 dedicated backend engineers just to keep it shipping.
-   Shopify Plus is a fully-managed SaaS: no servers to patch, 99.99% uptime, native PCI Level 1, automatic upgrades.

The deciding factor in 2026

Adobe is steering Magento merchants toward Adobe Commerce on Cloud (priced per GMV) while Shopify is shipping enterprise features faster than any competitor — Markets Pro, B2B on Plus, Hydrogen, Checkout Extensibility. Total cost of ownership over 3 years is now consistently 30–55% lower on Shopify Plus.

## True cost of ownership: Magento vs Shopify Plus

Comparing list prices misses the picture. The real cost of Magento is the team and infrastructure required to run it. Below is a 3-year TCO comparison for a merchant doing $10–$30M in GMV.

Estimated 3-year TCO, mid-market merchant ($10–$30M GMV). Real numbers vary by complexity.

Cost Category

Adobe Commerce

Shopify Plus

Platform license / fees

$66K–$300K

$72K–$108K

Hosting / infrastructure

$60K–$180K

Included

Engineering team (in-house)

$450K–$900K

$120K–$240K

Security & compliance

$30K–$90K

Included

Apps & integrations

$30K–$60K

$30K–$90K

3-year total

$636K–$1.53M

$252K–$528K

The savings aren't only financial. Teams running Shopify Plus consistently ship more features per quarter because the platform handles the boring infrastructure work — leaving engineering capacity for revenue-generating work like personalization, conversion optimization, and B2B workflows.

## Phased timeline: 8 to 16 weeks, predictably

A clean Magento → Shopify Plus migration takes 8 weeks for a focused catalog and 12–16 weeks for a complex B2B + DTC merchant with custom integrations. Anyone quoting 4 weeks is either skipping QA or planning to send you a change-order.

1.  Week 1–2 — Discovery: stakeholder interviews, integration audit, data sample export, theme inventory, success criteria.
2.  Week 3–4 — Architecture: data mapping spec, URL/redirect map, theme & checkout design, app shortlist, sandbox setup.
3.  Week 5–8 — Build: Liquid theme implementation, app installation & config, Shopify Functions / Checkout Extensions, custom apps.
4.  Week 7–10 — Data migration dry-run: products, customers, orders, content imported into staging; validate counts and integrity.
5.  Week 9–12 — Integrations: ERP, WMS, 3PL, OMS, ESP, search, reviews, tax — all wired up, monitored, retried.
6.  Week 11–14 — UAT & performance: cross-browser, mobile, accessibility, Lighthouse > 90, load test against expected peak traffic.
7.  Week 13–15 — SEO + redirect rehearsal: 301 map deployed in staging, structured data validated, sitemap regenerated.
8.  Week 14–16 — Cutover: DNS swap during low-traffic window, final delta sync, go/no-go checklist, 72-hour war room.

Cutover happens in hours, not days

By the time DNS flips, the new store has been running in parallel against production data for weeks. The actual switch is a 2–4 hour window, almost always overnight in the merchant's primary timezone. Customers see no maintenance page.

## Data migration matrix: what moves, how, and what doesn't

Most failed migrations fail at data — not because moving data is hard, but because nobody mapped the edge cases. Use this matrix as the contract between you and your migration partner.

Data type

Method

Caveats

Products (simple)

Direct CSV / API import

Map Magento attribute sets to Shopify metafields. Variants need attention.

Products (configurable)

Custom transform → Shopify variants

Magento configurables don't 1:1 to Shopify; group by parent SKU and rebuild option logic.

Categories

→ Collections (manual + smart)

Use smart collections with metafield rules to preserve filtering behavior.

Customers

API import + password reset email

Magento password hashes are not portable — every customer must reset on first login.

Orders

API import (historical)

Imported as 'archived' so they're searchable but don't trigger workflows.

CMS pages & blocks

Manual or scripted → Pages / metafields

Block widgets must be rebuilt as theme sections or app blocks.

URL redirects

301 map → Shopify URL Redirects

Critical for SEO. See next section for the playbook.

Reviews

App-specific (Yotpo, Judge.me, Okendo)

Most review apps offer a Magento importer — use it before launch.

Loyalty / store credit

Custom (LoyaltyLion, Smile, Yotpo)

Balances must be exported, validated, and reimported. Plan a freeze window.

## SEO preservation playbook (don't lose your rankings)

The single biggest risk in a replatform is losing organic traffic. Done right, you should see traffic stable within 2 weeks and growing within 60 days. Done wrong, you lose 30–50% and never fully recover.

1.  Crawl the live Magento site with Screaming Frog at 5+ depths. Export every indexable URL, status code, title, meta, canonical, and structured data block.
2.  Build a 1:1 redirect map for every URL with traffic, backlinks, or Search Console impressions. Map dead/orphan URLs to the closest relevant collection or 410.
3.  Recreate page titles and meta descriptions on Shopify exactly. Resist the urge to 'improve' them at launch — change them post-migration once rankings are stable.
4.  Match URL structure where possible: /catalog/category/<slug> → /collections/<slug>; /catalog/product/<slug> → /products/<slug>.
5.  Re-emit schema.org Product, BreadcrumbList, and Organization JSON-LD. Validate every product page in Google Rich Results Test before launch.
6.  Submit the new sitemap.xml in Search Console the day of cutover. Keep the old property in GSC for 90 days to monitor.
7.  Monitor crawl errors, impressions, and average position daily for the first 2 weeks. Have a process to add missed redirects within 24 hours.

The 90-day rule

Don't redesign, restructure URLs, or change taxonomy in the first 90 days post-launch. One change at a time so you can attribute traffic shifts cleanly. Velocity is the enemy of SEO during a replatform.

## Theme, checkout, and Shopify's extensibility model

Magento theming is template overrides plus phtml plus knockout — slow to ship, fragile to maintain. Shopify uses Liquid + sections + app blocks: a merchandiser can rearrange the homepage in the editor without touching code, and engineering ships components, not pages.

Checkout used to be Shopify Plus's weak spot. That's reversed. Checkout Extensibility (replacing checkout.liquid) lets you inject UI, validation, and discount logic via Shopify Functions while keeping Shopify's PCI-compliant, A/B-tested checkout. For B2B, the Plus B2B drawer adds wholesale-only flows on top.

-   Online Store 2.0 themes — Dawn-based, modular sections, JSON templates.
-   Checkout Extensibility — UI extensions, validation, discount, payment-customization functions written in Rust/JS.
-   Shopify Functions — server-side logic for cart, checkout, delivery, payment customization. Replaces 80% of what Magento extensions did.
-   Hydrogen — opinionated Remix-based React framework if you go fully headless (see B2B and Headless guides).

## Integrations: ERP, OMS, WMS, ESP, search

If your Magento stack relied on custom-built integrations, the good news is that Shopify Plus has either a native integration, an off-the-shelf Plus Certified App, or a clean REST/GraphQL API. The bad news is that you'll spend 30–40% of your migration budget here. Plan for it.

Category

Common solutions on Shopify Plus

ERP

NetSuite (Celigo, Boomi), SAP, Microsoft Dynamics — via iPaaS or custom

OMS / WMS / 3PL

Brightpearl, Cin7, ShipHero, ShipStation, native Shopify Fulfillment Network

ESP / CRM

Klaviyo (native), HubSpot, Salesforce Marketing Cloud

Search & merchandising

Algolia, Searchspring, Klevu, Boost AI Search

Reviews & UGC

Yotpo, Okendo, Judge.me, Stamped

Subscriptions

Recharge, Skio, Bold, Awtomic

Tax & compliance

Avalara, TaxJar, Vertex

Headless storefront

Hydrogen, Next.js, Nuxt with Storefront API

## The 8 mistakes that quietly cost six figures

1.  Migrating without a written 301 redirect map signed off by the SEO owner.
2.  Trying to recreate Magento's exact URL structure instead of mapping to Shopify-native conventions.
3.  Importing every historical order live (use archive mode — operational data flows from cutover forward).
4.  Skipping a parallel staging window where the new store mirrors production data for 2+ weeks.
5.  Hardcoding extension logic into the theme instead of using Shopify Functions or app blocks.
6.  Underestimating ERP/OMS work — it's almost never 'just toggle the connector'.
7.  Launching with checkout.liquid customisations instead of porting to Checkout Extensibility (deprecation forced anyway).
8.  Not running a load test against expected peak (BFCM, product drop) before go-live.

## How Mejix runs a Magento → Shopify Plus migration

We've moved merchants from Magento 1, Magento 2, and Adobe Commerce to Shopify Plus across DTC, B2B, and luxury. The repeatable parts are codified into our delivery model.

-   Fixed-scope discovery (2 weeks) that produces a written migration spec, redirect map draft, and a binding estimate. No surprise change orders.
-   US-based engagement lead with daily ownership; senior engineering team in Cluj for build velocity.
-   Parallel staging from week 4 — your team logs in and validates products, orders, and integrations against real data.
-   Pre-cutover go/no-go checklist signed off by you, your SEO owner, and your operations lead.
-   72-hour post-launch war room with a named on-call engineer and a single Slack channel.
-   60-day stabilization sprint included: bug fixes, redirect additions, performance tuning, no clock-watching.

10+

Years on Shopify

Plus

Certified Partner

8–16w

Typical migration

0

Lost-revenue cutovers

## Magento to Shopify Plus: frequently asked questions

### How long does a Magento to Shopify Plus migration take?

### What does a Magento to Shopify Plus migration cost?

### Will we lose SEO traffic during the migration?

### Can we keep our Magento URLs?

### Do customer accounts and passwords transfer?

### What about historical orders and invoices?

### How do you handle B2B customers and price lists?

### Can we migrate in phases instead of a big-bang cutover?

### Do we need to rebuild our theme from scratch?

### What happens after launch?

How long does a Magento to Shopify Plus migration take?

8 weeks for a focused DTC catalog with limited integrations, 12–16 weeks for a complex B2B + DTC merchant with ERP, OMS, and custom workflows. Discovery + estimate is typically 2 weeks. We will not quote a timeline before discovery is complete — anyone who does is guessing.

What does a Magento to Shopify Plus migration cost?

Mejix engagements typically run $80K–$200K depending on catalog complexity, number of integrations, and whether you need B2B or headless on top. Shopify Plus platform fees are $2,500/mo or 0.25% of GMV (whichever is higher). Most merchants recover the full project cost within 6–12 months from reduced infrastructure, license, and engineering spend.

Will we lose SEO traffic during the migration?

Done right, organic traffic stabilizes within 2 weeks and grows within 60 days. The non-negotiables are: a complete 1:1 301 redirect map, identical title tags and meta descriptions at launch, schema.org parity, and a daily monitoring loop for the first 2 weeks. We bake all of this into our standard scope.

Can we keep our Magento URLs?

Where the URL pattern can be cleanly mapped (e.g. brand/collection slugs), yes. Where Magento uses paths that conflict with Shopify's reserved structure (/catalog/product/, /checkout/), we 301 to the Shopify-native equivalent. Search engines treat clean 301s as full equity transfer.

Do customer accounts and passwords transfer?

Customer records (email, addresses, order history) transfer. Passwords do not — Magento's bcrypt salting is not portable. We trigger a one-time password reset email on the customer's first post-migration login. Communicate this in advance via a launch email.

What about historical orders and invoices?

Orders are imported in archive mode so they are searchable in admin and visible in customer order history, but they don't trigger fulfilment, email, or accounting workflows. Operational order flow starts from cutover. Most merchants keep Magento read-only for 90 days as a safety net.

How do you handle B2B customers and price lists?

Shopify Plus B2B is now mature: company accounts, multi-location buyers, custom catalogs, price lists, payment terms, and quote-to-order all native. Where Magento B2B used custom modules, we map them to native Plus B2B objects plus Shopify Functions for the gaps. See our B2B Wholesale Guide for the deep dive.

Can we migrate in phases instead of a big-bang cutover?

Yes — common for multi-brand or multi-region merchants. We migrate one storefront at a time using Shopify Markets or separate Plus stores, validate, then move the next. Single-store mid-market merchants almost always do better with a single overnight cutover after a 2-week parallel staging period.

Do we need to rebuild our theme from scratch?

We don't recommend lifting the Magento design pixel-for-pixel. The Shopify Liquid + sections model lets us recreate the brand and merchandising patterns while ditching the technical debt of the Magento theme. Most merchants take the migration as the moment to ship a refreshed PDP, PLP, and checkout.

What happens after launch?

Mejix includes a 60-day stabilization sprint covering bug fixes, redirect additions, performance tuning, and any monitoring response. After that, most clients move into a managed engagement (CRO, B2B expansion, app development) — but you're never locked in. Shopify Plus stores are easy to hand off to internal teams or other agencies.

On this page

[Why merchants are leaving Magento for Shopify Plus](#why-migrate)[True cost of ownership: Magento vs Shopify Plus](#tco)[Phased timeline: 8 to 16 weeks, predictably](#timeline)[Data migration matrix: what moves, how, and what doesn't](#data-migration)[SEO preservation playbook (don't lose your rankings)](#seo-preservation)[Theme, checkout, and Shopify's extensibility model](#theme-checkout)[Integrations: ERP, OMS, WMS, ESP, search](#integrations)[The 8 mistakes that quietly cost six figures](#pitfalls)[How Mejix runs a Magento → Shopify Plus migration](#mejix-method)[FAQ](#faq)

Need help deciding?

We help brands choose, build, migrate, and scale on Shopify and Shopify Plus without unnecessary complexity.

Talk to Mejix

Continue reading

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tel: +1 (212) 401-6213

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## Company

-   [Home](/)
-   [About Us](/about)
-   [Careers](/jobs)
-   [Events](/events)
-   [Insights](/insights)
-   [AI Hub](/ai-hub)
-   [Contact Us](#contact)

## Services

-   [Software Consulting & Development](/services/product-development)
-   [Embedding AI into Organisations](/services/ai-development)
-   [Ecommerce & Shopify Plus](/shopify-plus-b2b)
-   [Ecommerce Platform Comparison 2026](/services/shopify-plus/platform-comparison-2026)
-   [Digital Transformation & Process Automations](/services/digital-transformation)
-   [Product Development](/services/product-development)
-   [Staff Augmentation](/services/managed-it)
-   [Managed IT Services](/services/managed-it)
-   [Marketing Services](/services)

## Industries

-   [Finance and Banking](/industries/finance)
-   [Health and Medical](/industries/health)
-   [Luxury Fashion and Jewelry](/industries/luxury)
-   [Manufacturing](/industries/manufacturing)
-   [Retail and Services](/industries/retail)
-   [Media and Communication](/industries)

## Locations

-   [New York City](/shopify-plus-agency-new-york)
-   [Los Angeles](/shopify-plus-agency-los-angeles)
-   [San Francisco](/shopify-plus-agency-san-francisco)
-   [Miami](/shopify-plus-agency-miami)
-   [United States](/shopify-plus-agency-usa)
-   [United Kingdom](/shopify-plus-agency-united-kingdom)
-   [Germany](/shopify-plus-agency-germany)
-   [Romania](/shopify-plus-agency-romania)
-   [All locations](/locations)

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