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Shopify → BigCommerce Replatform
Replatform from Shopify or Shopify Plus to BigCommerce — escape transaction fees, take back checkout control with Open Checkout, replace Shopify B2B with B2B Edition, and map metafields to BigCommerce custom fields without breaking SEO. 200+ migrations completed. Zero failed cutovers.
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Reviewed by the 1Digital® Migration TeamLast updated:
TL;DR
1Digital® migrates merchants off Shopify and Shopify Plus onto BigCommerce — Stencil themes, Catalyst headless, B2B Edition, and Open Checkout. Metafields and metaobjects re-mapped to custom fields and Product Modifiers, Shopify B2B companies to BigCommerce B2B Edition Companies + Price Lists, Markets to Multi-Storefront, Shop Pay drop-off mitigated with Apple Pay + PayPal Express. SEO equity preserved with page-level 301s, schema graph rebuild, and llms.txt continuity.
Related: All platform migrations · BigCommerce → Shopify Plus · BigCommerce Experts · BigCommerce Developer · Shopify Plus Agency · Data Migration
Why Replatform
Shopify's checkout is a locked black box outside of Checkout Extensibility's narrow extension points. BigCommerce Open Checkout ships as a forkable React + TypeScript application — you own the codebase, your devs can rewrite any step (cart, shipping, billing, payment) without waiting on Shopify to expose an API for it.
Shopify charges 0.15–2% transaction fees on every order if you don't use Shopify Payments — a structural tax that compounds with every gateway you actually want to use (Adyen, Authorize.net, Cybersource, Worldpay). BigCommerce charges zero transaction fees regardless of gateway. On $20M GMV that's $30K–$400K back in margin annually.
Shopify B2B (native, GA 2023) handles companies and catalogs — but quote-to-cash, invoice portals, shopping lists with shared carts, Net-30/60/90 terms with credit-limit enforcement, and PunchOut workflows still need apps or custom builds. BigCommerce B2B Edition ships these natively as a first-party module.
Shopify's metafield system is powerful but throttles at the storefront query level and forces you into metaobject relations for anything relational. BigCommerce custom fields and Product Modifiers map cleanly without the metaobject overhead, and the Catalog API lets you query the full attribute set without GraphQL cost-budget juggling.
Shopify Plus charges per additional store on the Plus shelf — and most multi-store brands end up running 3–8 stores. BigCommerce Enterprise includes Multi-Storefront natively: one product catalog, multiple channels (each with its own theme, currency, content, locale) — without the multi-shop accounting headache.
Shopify Plus quotes are negotiated case-by-case and renew with GMV-driven uplifts that surprise CFOs at year three. BigCommerce Enterprise pricing is rate-card-driven against order volume — predictable, line-itemized, and easier to defend in a finance review.
What We Migrate
Field-level mapping with referential integrity — every record that drives revenue moves with you.
Products, variants, options, metafields, and metaobjects → BigCommerce products, variants, options, and custom fields. Shopify Files (CDN assets) re-uploaded to BigCommerce CDN with image-URL rewrites in product descriptions.
Customer profiles, addresses, marketing consent (TCPA / GDPR), tags, and segments → BigCommerce customers + Customer Groups. Shopify Plus B2B Companies → BigCommerce B2B Edition Company Accounts with Buyer Roles preserved.
Complete orders, fulfillments, refunds, returns, gift cards, and store credit → BigCommerce orders with full ledger continuity for revenue reporting, LTV models, and support continuity.
B2B catalogs, price lists, quantity rules, and Net-terms config → BigCommerce Price Lists (B2B Edition), Shopify Functions discount logic → BigCommerce promotions or Scripts on BC's promotion engine.
Shopify Locations → BigCommerce Multi-Location Inventory locations. Inventory rules, reservation logic, and store-pickup configurations preserved with parity reports.
Online Store 2.0 sections, blog posts, pages, and metaobject-driven content → BigCommerce Pages + Page Builder + blog. Section data and JSON template fields normalized to Stencil or Catalyst components.
Full URL inventory (Shopify's mandatory /products/, /collections/, /pages/, /blogs/ prefixes plus handle variants) → BigCommerce URL structure with page-level 301 map. Title, meta, canonical, hreflang carryover. Schema rebuilt with consistent @id.
Yotpo, Judge.me, Loox, Okendo, Stamped — preserved with star ratings, photo / video reviews, verified-buyer flags, and AggregateRating schema continuity for AI-engine citations.
How We Migrate
Map every Shopify app, Function, Checkout UI Extension, Shop Pay touchpoint, B2B catalog, Markets configuration, and Hydrogen component to a BigCommerce equivalent (native, app, Stencil, Catalyst, or Open Checkout customization). Outcome: feature parity matrix, app-replacement spreadsheet, risk register.
Catalog count, metafield density, customer + order volume, Files (CDN asset) inventory, OS2.0 section / metaobject usage, Markets locales, sitemap parse. Outcome: data parity targets, page-level URL-mapping spreadsheet, 301 plan respecting Shopify's mandatory URL prefixes.
Shopify /products/<handle>, /collections/<handle>, /pages/<handle>, /blogs/<blog>/<handle> URL transformations to BigCommerce structure with 301 rules, canonical strategy, schema graph rebuild (Product, BreadcrumbList, FAQPage, Organization) with consistent @id references, hreflang re-anchored to BigCommerce Multi-Storefront.
Stencil theme or Catalyst storefront build (Catalyst usually if the Shopify side was Hydrogen). Iterative data loads with field-level parity reports — catalog, metafields → custom fields, customers, B2B companies, price lists, orders, reviews. Apps installed and configured against staging. Open Checkout customizations forked, branded, and QA'd.
Freeze Shopify writes (Admin API webhook off, theme cart actions disabled). Sync final delta (orders, customers, inventory) via Admin GraphQL → BC API pipeline. DNS flip with low TTL. Validate Open Checkout / payments / shipping / tax / search / GA4 / Consent Mode v2 / pixels live. Cutover window typically under 60 minutes.
30+ days of crawl-error triage, Search Console change-of-address, ranking and AI-citation monitoring, Core Web Vitals (LCP / INP / CLS), conversion-rate watch (Shop Pay loss compensated with Apple Pay + PayPal Express), and a fix-list sprint for edge cases that only surface under live traffic.
App Mapping
The third-party stack you depend on rarely needs to change — only the connectors and the host platform.
| Shopify / Shopify Plus | BigCommerce Equivalent |
|---|---|
| Shopify Payments | BigCommerce native gateways (Stripe, Braintree, Adyen, PayPal, Worldpay, Authorize.net) with zero BC transaction fees |
| Shop Pay / accelerated checkout | BigCommerce Open Checkout + PayPal Express + Apple Pay + Google Pay + Amazon Pay (PWA-style express checkout pattern) |
| Shopify Functions (discounts, shipping, payment) | BigCommerce native promotion engine + Scripts API + ShipperHQ for advanced shipping logic |
| Checkout UI Extensions | BigCommerce Open Checkout (forkable React + TypeScript checkout) — full control, no extension-point gatekeeping |
| Klaviyo for Shopify | Klaviyo for BigCommerce (native, similar event coverage; some Shopify-only flows rebuild on BC events) |
| Yotpo / Judge.me / Loox / Okendo | Same vendors with native BigCommerce connectors |
| Recharge / Bold / Shopify Subscriptions | Recharge or Rebillia for BigCommerce |
| Shopify Markets (multi-currency, multi-region) | BigCommerce Multi-Storefront with per-channel currency, geo-IP routing, and per-region content |
| Shopify Tax / Avalara for Shopify | BigCommerce Tax (TaxJar native) or Avalara AvaTax for BigCommerce |
| Gorgias / Zendesk / Re:amaze for Shopify | Same vendors with native BigCommerce connectors |
| Hydrogen (React + Remix) | BigCommerce Catalyst (Next.js + GraphQL Storefront API + Makeswift visual editor) |
| Shopify B2B Companies / Catalogs | BigCommerce B2B Edition (Companies, Buyer Roles, Quoting, Shopping Lists, Invoice Portal, Net Terms) |
SEO Equity Protection
Migrations that lose SEO equity lose months of revenue. Our checklist treats search and AI-engine continuity as a release-blocker.
Timeline & Engagement
Standard B2C
Catalog under 5K SKUs, Stencil theme, common app stack (Klaviyo, Yotpo, ShipStation), 2 payment gateways, single-storefront, Apple Pay / PayPal Express express checkout.
B2B / Mid-complexity
B2B Edition (Companies, Quoting, Shopping Lists, Invoice Portal), Shopify B2B catalogs → Price Lists, ERP / NetSuite integration, Avalara, Open Checkout customization, Shopify Functions rebuild as BC promotions.
Catalyst / Multi-Storefront
Catalyst (Next.js) storefront, multi-storefront, multi-currency, multi-region (replacing Shopify Markets), Hydrogen → Catalyst rebuild, large metaobject relational data normalization, custom Functions rebuild.
Engagements start at $185/hour. Fixed-fee proposal after discovery — typically $25K (simple) to $150K+ (enterprise Catalyst with B2B Edition + ERP).
Request a Proposal
Share your Shopify plan (Basic / Advanced / Plus), catalog scale, B2B configuration, Functions / Checkout Extensions in use, ERP / OMS, and what made you start looking elsewhere. A senior strategist responds within one business day with a pricing band and a draft migration roadmap.
FAQ
Free migration audit. Fixed-fee proposal. Documented runbook. Zero failed cutovers in 200+ migrations.