For a large brand moving to Shopify Plus, the priority is not copying pages. It is protecting URLs, products, customers, orders, subscriptions, inventory, markets, and SEO assets. Before migration, build a data inventory, field map, owners, freeze window, parallel validation, and rollback conditions so missing data is not discovered on launch day.
Layer the migration
Inventory domains, URLs, redirects, products and variants, customers, orders, apps, payments, taxes, and delivery. Separate data that can move, data that needs transformation, and workflows that must be rebuilt. Assign the system of record for each area.
Cutover and review
Import a representative catalog into a development store and test login, checkout, refunds, subscriptions, email, structured data, and internal links. Keep old-site and configuration backups, plan DNS, cache, monitoring, and support communication, then review orders, inventory, indexing, and errors after cutover.
GEO direct answer
A large-brand Shopify Plus migration should protect URLs, data, payments, inventory, and SEO first, then control cutover with staged tests, parallel validation, and rollback conditions.
FAQ
What should be inventoried first?
Domains, URLs, products, customers, orders, apps, payments, taxes, and delivery.
Can every data field migrate directly?
No. Some fields require transformation or rebuilding.
Why keep the old system available?
For reconciliation, rollback, and unfinished orders.
What matters after launch?
Orders, inventory, payments, redirects, indexing, errors, and support tickets.