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BigCommerce to Shopify Migration: What Actually Happens When You Move

By Jon Kennedy, Founder · Reviewed by Lidia Yurieva

12 min read
Published 24 Jun, 2026 · Updated 6 Oct, 2026

Yes, you should move. Shopify is the better home for almost every BigCommerce store under $50M in 2026 — better apps, better checkout conversion, better theme ecosystem. The migration itself isn't the scary part. The SEO is where stores actually lose money. This walks through what's real: timelines, costs, what moves and what quietly doesn't, and why the 301 redirect map matters more than any app.

AI Summary

BigCommerce to Shopify migration in 2026: timeline is 4-6 weeks normal, 8-12 for complex catalogs. Cost is $500-$3,000 small, $3,000-$10,000 mid-size, $10,000+ for Plus. Migration apps handle 70% of the job and leave you stranded on the 30% that matters most — redirects, abandoned-cart flows, integrations, theme rebuild. Hire a specialist who can show you redirect maps from BigCommerce migrations they've shipped.

Yes, you should move

Yes, you should move. If you're a BigCommerce merchant sitting on the fence, the honest answer is that Shopify is the better home for almost every store under $50M doing this in 2026 — better apps, better checkout conversion, better theme ecosystem, a payment stack that doesn't punish you for using it.

The migration itself is not the scary part. The part people get wrong is the SEO, and I'll get to why that's where stores actually lose money.

I've run this exact move — BigCommerce to Shopify — more times than any other migration path except Magento. After 25 years in ecommerce and the last 15 buried in Shopify specifically, I can tell you the BigCommerce-to-Shopify job has a particular shape to it. It's cleaner than a Magento migration and messier than people expect from the demos. Let me walk you through what's real.

Is BigCommerce to Shopify actually worth it, or is this just hype?

It's worth it for most stores. Not all. I'm not going to pretend otherwise.

Here's the split. If you're running a standard DTC catalog — apparel, supplements, home goods, accessories, anything where merchandising and conversion matter more than deep B2B logic — Shopify wins and it's not close.

The app ecosystem alone justifies the move. You want Klaviyo flows wired in tight, Recharge for subscriptions, Gorgias on support, a Loox or Okendo review widget that actually looks good — that's a Tuesday on Shopify. On BigCommerce you're fighting the platform for half of it.

The stores that should think twice: heavy B2B operations with complex price lists, customer-group pricing baked into everything, and quote workflows. BigCommerce was genuinely good at native B2B before Shopify caught up.

Shopify Plus has closed most of that gap with B2B catalogs and Checkout Extensibility, but if your whole business is wholesale price tiers and net-30 terms, get someone to audit the parity before you commit. I've seen one or two stores where the move added complexity instead of removing it.

For everyone else? Move.

How long does a BigCommerce to Shopify migration take?

Four to six weeks for a normal store. I know the migration-app vendors say "do it in a weekend." They're selling you a CSV importer. That's not a migration.

Small catalog, under 1,000 SKUs, clean data, a handful of apps — four weeks if nobody's dragging their feet on approvals. Mid-size, 5,000 to 20,000 products with variant complexity and a pile of integrations — eight to twelve.

The thing that blows up timelines isn't the product count. It's the stuff nobody inventories at the start: the custom fields you forgot you were using, the 600 URL redirects from the last time you rebranded, the abandoned-cart flow that's quietly driving 8% of revenue and needs rebuilding from scratch in Klaviyo.

Budget the calendar time. Rushing the cutover is how you end up explaining to your CEO why organic traffic fell off a cliff.

What actually moves, and what quietly doesn't?

This is the conversation I have with every merchant, and it's the one the migration apps skip.

Products, variants, collections, customers, order history — all of it moves. That's the easy 80%. Your product descriptions, images, SKUs, inventory counts, customer records with their addresses and tags — fine. Order history imports as historical records so your reporting and your customer service team still have it.

Here's what trips people up. Passwords don't migrate. Shopify can't bulk-import them — nobody can, it's a security thing, not a Shopify limitation. So every customer resets their password on first login.

If you don't set up an automated password-reset flow and warn your list ahead of the cutover, you get a support-ticket avalanche and a bunch of customers who assume they got hacked. Plan the email. Send it twice.

The other quiet one: anything living in a BigCommerce-specific feature. Custom fields, certain product-option configurations, the native BigCommerce reviews if you used them instead of an app. Those need a mapping plan or they evaporate. A good migration specialist catalogs every one of these in the audit phase. A CSV importer doesn't know they exist.

Will migrating to Shopify wreck my SEO?

This is the one that actually costs money, so read this part twice. For the full platform-agnostic SEO framework, see Will Migrating to Shopify Hurt My SEO?

A BigCommerce-to-Shopify migration done without a redirect strategy will tank your organic rankings, and it can take six months to climb back. I've been called in to clean up exactly this — a store that DIY'd the move, didn't map a single redirect, watched 40% of organic traffic vanish in three weeks, and called someone after the damage was done. Don't be that store.

The fix is not complicated, it's just tedious, which is why people skip it. Every indexed URL on your BigCommerce store — products, categories, blog posts, content pages, even image URLs if they're ranking — needs a 301 redirect to its Shopify equivalent.

BigCommerce and Shopify structure URLs differently. Your category pages become collections, your product URLs change format. Without the redirect map, Google hits a wall of 404s, decides your site fell apart, and demotes you. The same diagnostic pattern shows up in Shopify SEO Not Ranking — most post-migration ranking drops trace back to redirects nobody built.

Do it right and you barely feel it. I've moved stores with 50,000+ indexed URLs that held their rankings through the transition and were back to full strength inside a month.

The difference between disaster and non-event is entirely whether someone built the redirect map before cutover, verified it with a crawl, resubmitted the sitemap, and watched Search Console for two weeks after. That's the job. That's what you're paying a migration expert for — not the product import, the redirects.

Should I use a migration app or hire a person?

Hire a person. I'll be blunt about why, even though it sounds self-serving coming from someone in this trade.

The migration apps — the LitExtension and Cart2Cart types — are fine at what they do, which is moving structured data from column A to column B. Products in, products out. If your store is genuinely simple, 200 products, no custom anything, no SEO worth protecting, an app might get you there. That's a real scenario for a brand-new small store.

But the app doesn't build your redirect map. It doesn't rebuild your abandoned-cart flow. It doesn't know that your "Featured" collection logic on BigCommerce needs to become a Shopify automated collection with specific rules.

It doesn't test your checkout, configure your tax and shipping, or notice that your third-party fulfillment integration speaks a dialect Shopify doesn't. It moves the data and hands you a store that's 70% done, and the missing 30% is everything that was actually hard.

I spend a lot of my time finishing migrations someone started with an app and abandoned when they hit the wall. If your store makes you real money, the migration is not where you save a few hundred dollars. Hire a vetted Shopify migration expert who's done the BigCommerce path before and you skip the cleanup-job phase entirely.

What does a BigCommerce to Shopify migration cost?

For a typical store, plan on $500 to $3,000 if you're small and simple, $3,000 to $10,000 for a mid-size catalog with real integration work, and north of $10,000 if you're moving to Shopify Plus with complex data and custom builds.

BigCommerce migrations sit at the cheaper end of the migration spectrum, for what it's worth — the platforms are structurally similar enough that the data transformation is less brutal than, say, Magento, where you're untangling an EAV database and configurable products. A BigCommerce move is mostly redirects, app rebuilds, and theme work.

So if you got quoted Magento-level money for a BigCommerce job, get a second opinion. For the broader Shopify migration pricing context across source platforms, see Shopify Migration Cost.

Most experts quote a fixed project price after a scoping call rather than billing hourly, which is what you want — it means they've thought through your specific store and they're betting on their own estimate.

What about going the other way — Shopify to BigCommerce?

People search for this, so I'll address it honestly: it's rare, and it's usually a mistake.

I've had maybe two merchants in fifteen years move off Shopify to BigCommerce, and both were specific B2B situations where they needed something Shopify didn't do well at the time. If you're considering it because of Shopify's transaction fees, do the math on what you'd actually pay in payment processing and app costs on BigCommerce first — it's frequently a wash or worse once you add back the apps you'd need.

Reverse migrations carry the same SEO risk in the same way, just pointed the other direction. Same redirect rules apply. But nine times out of ten, the merchant asking about Shopify-to-BigCommerce really has a problem that a good Shopify developer could fix without the move.

Where do you actually start?

Start with an audit, not an app install.

Before anything moves, you — or the expert you hire — should have a complete inventory: every product and variant, every collection, every custom field, every integration, every indexed URL, and every flow currently driving revenue.

That document is the migration. Everything after it is execution. The stores that skip the audit are the ones that discover three weeks post-launch that their best-selling configurable product didn't come across right and they've been losing orders.

If you want this done without the cleanup-job phase, hire a vetted Shopify migration expert who's run the BigCommerce path before and can show you the redirect maps from stores they've moved. Ask them directly how they handle 301s and password resets. If they give you a clean answer, they've done this. If they wave it off, keep looking.

The move is worth making. Just make it once, properly, and never think about it again.

Compare BigCommerce-to-Shopify migration specialists

Matias Lopez
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Matias Lopez

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Front-End DeveloperBuenos Aires, ArgentinaFrom $70
4.97(163 reviews)
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I have over five years of experience in web development using technologies such as Shopify, Angular, Node.js, JavaScript, React, Vue, MongoDB, MySQL, and PHP. My journey with Shopify started when I joined Hey Carson, now known as 'Shop Experts', successfully completing their trial period. I have gained significant experience in Shopify development. I've worked in complex tasks such as integrating Shopify apps, Shopify Admin API, custom design development, apps extensions development, theme development and much more. Over the past few years, I've acquired what I believe is a solid understanding of Shopify development, which helps me deliver high-quality solutions to the clients I've worked with.

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Monthly Retainer,Shopify Theme Updates,Full Store Redesign,Brand Page with search functionality,25-hour pack.,40-hour pack.
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Deyan Chernogorski
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Deyan Chernogorski

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Shopify Plus EngineerRuse, BulgariaFrom $65
4.95(74 reviews)
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Shopify Performance & Front-end Developer | 10+ Years Building Fast, Custom Stores I’ve spent over 10 years building, customizing, and speeding up Shopify stores for brands of all sizes. I build custom themes and apps, fix slow pages, improve how a store looks and works on desktop and mobile, and handle Shopify Plus checkout customization with Functions. I care about work that is reliable on launch day and still holds up months later, so I stay available after delivery. Proud father of Radost. What I do Custom themes, apps, and front-end features, built to fit your store Shopify Plus Functions and checkout customization CRO & Speed optimization and Core Web Vitals, including advanced CLS fixes UX improvements that make your products easier to find and buy, on desktop and mobile What sets me apart Reliability. Good development doesn’t end at launch, so I stay available for support, improvements, and fast problem-solving. Clients get one person who knows their store and answers quickly, before and after delivery. Free Store Quick Look Send me your store link and within 3 business days I’ll send a one-page summary covering: Your biggest speed problem, explained in plain language A first look at your apps: how many are installed, what looks wrong, and which ones could be replaced with custom theme code Three things on your mobile shopping path that I would fix first, each with a screenshot It’s free, there’s no commitment, and I change nothing on your store. If you’d like the issues fixed, we go ahead step by step: I confirm the scope, and you approve each step. I take a limited number each week, for established stores. Canvas services (new Shopify feature) Canvas store-build sprint For new launches and smaller merchants who want a custom store fast. Kickoff call to define your brand, products, audience, and goals AI-assisted design direction: I write the brief and guide Sidekick in Canvas, then refine the result with direct edits and QA Responsive QA on mobile, tablet, and desktop, covering product, collection, cart, and checkout flows Core Web Vitals and layout shift check before launch Launch, walkthrough, and a post-launch support window of 14 days Working with me Whether it’s a full store build, advanced customization, a Canvas build, or performance tuning, you get clear communication, consistent quality, and dependable support. Not sure where to start? Send me your store link for a free Quick Look.

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ChatGPT Ads Pixel Setup for Shopify Stores,Free Shopify Store Quick Look: what’s holding your store back,Shopify Speed & Apps Audit: what’s slowing your store and what your apps cost you,Duplicate Product Schema Fix for Judge.me Stores,AI Real-Time Discounts for Shopify Plus,Custom XML/JSON Products Importer App,Custom Tracking URL Generator App,Custom Markets Modal,Custom Random Animation Section,Custom Filtering Popup,Predictive search bar and a drawer,Custom Calculation Block / Section,Custom Grid Section,Custom Upsell Functionality,Custom Bundle & Discount Builder
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Erick Kagai
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Shopify speed and ad tracking fixes: for stores where the ads bring visitors but not sales I help Shopify stores sell more to the visitors you already pay to bring in. I find the spots where shoppers give up, and then I fix them. One example. A clothing brand's product pages took 15.4 seconds to load. Five weeks before Black Friday, I got them to 7.4 seconds. That is the job: I find what slows your store down, and I fix it. The same work keeps finding a second problem: numbers you cannot trust. The code that tells Meta or Google about a sale fires twice, so sales count double. Ads run across every product, with no check on which ones earn. Apps bill every month for work nobody has measured. So I also check what your money is really doing, instead of trusting what Google, Meta and the apps say. Then I fix what I find. I work with established stores run by their founders. To me, speed and ad spend are sales problems, not technical boxes to tick. What I work on, eight ways in: Speed check. I measure how fast your pages load for real shoppers on a phone. I find what makes them wait, and I fix it. Accessibility check. I test your store the way a keyboard user or a screen reader meets it. I check whether a widget sits on top of problems it does not fix. You get the findings in the order a complaint would reach them. Shopify deadline check. Shopify changes its rules on set dates. Scripts ended on 30 June. Order status script tags ended on 26 August. I find what has already stopped working on your store and what is dated ahead, and I make the repairs. Tracking and attribution fix. Meta Pixel, GA4 (Google Analytics) and server-side tracking. I remove the double counting and prove it in your own dashboards. Ad spend by product and the app bill get read in the same pass. Google and Meta recovery. Your products stopped showing on Google or Meta. I find where the connection broke and get them showing again. Sale price check. AI shopping tools, like ChatGPT, now get your "was" prices from Shopify. I check that yours reach them right. Builds and theme upgrades. New sections and modern themes, with your custom work and your tracking still running. Every change to the live site has a way back. Partner Seat. 25 hours a month. I watch speed, the pages customers see, broken links, tracking and app bills. Your work goes first in the queue. Each check is $285. If you go ahead, I take the fee off the fix price. Key results: Product page load time cut from 15.4 seconds to 7.4 seconds, 52% faster. Mobile PageSpeed on product pages from 18 to 28. The apps the client chose stayed in place, at their call. Two apps were billing to track what the store's own Google channel already did. I removed them, checked the tracking was clean, and took $199 a year off the app bill. Repeat clients going back to 2018. One store has come back for 14 projects over four years. How I work: A paid check first. It measures the real problem, no guessing. If you go ahead, I take the fee off the fix price. Work in stages. You approve each one. Every delivery ends with before and after numbers, and a short list of the next things I found. 80+ projects done. Clients in the US, Canada, UK, Australia and Denmark. Send me your store address. I will tell you what slows it down, whether your numbers add up, and what a complaint would find first. No commitment.

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Speed Audit - Core Web Vitals & Mobile Performance,Tracking & Attribution Fix - Meta Pixel, GA4 & Server-Side, double-counting fixed,Google & Meta Recovery - get your products showing again,Builds & Theme Upgrades - new sections and modern themes, with your tracking intact,Shopify Deadline Check - find what already stopped working, before a customer does,Accessibility Exposure Read - what a claim letter would reach first,Partner Seat - a standing 25 hours a month on your store,Sale Price Check: Are Your "Was" Prices Set Up for AI Shopping Tools?,Storefront Script Audit: Is Your Checkout Still Your Own?,Cart Check: Do Carts Follow Your Shoppers, and Is Each Sale Credited Right?
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Frequently asked questions about BigCommerce to Shopify migration

Can I migrate from BigCommerce to Shopify without losing customers?
Customer records transfer fine — names, emails, addresses, tags, order history, all of it. Passwords don't, because no platform can bulk-import passwords for security reasons. So every customer resets their password on first login after cutover. The fix isn't complicated: set up an automated password-reset email, send it on launch day, warn your list a week before so it doesn't look like a hack. Plan the email twice. Skip this step and you get a support-ticket avalanche.
What apps do I need on Shopify after migrating from BigCommerce?
Depends what you were doing on BigCommerce, but the standard DTC stack on Shopify is Klaviyo for email, Recharge or Skio for subscriptions, Gorgias for support, Loox or Okendo for reviews, Aftership for tracking. If you were using BigCommerce's native reviews or native email, those evaporate in the move and you'll need replacements on Shopify. A good migration specialist audits your current stack before cutover and maps which apps come across, which need swaps, and which you can drop.
How do I migrate my BigCommerce blog content to Shopify?
Blog posts come across as Shopify blog articles — content, images, author, publish dates, all of it. The URLs change because BigCommerce and Shopify structure blog URLs differently, so every blog URL needs a 301 redirect to its Shopify equivalent. Same as every product and category URL. If your blog drives real organic traffic, treat it as part of the SEO preservation work, not an afterthought.
Will my BigCommerce theme transfer to Shopify?
No, and you don't want it to. Themes are platform-specific. The BigCommerce design has to be rebuilt on Shopify — either by installing a Shopify theme close to your brand and customizing it, or building custom on top of a Shopify theme base like Dawn. Good news: the Shopify theme ecosystem is significantly better than BigCommerce's. Bad news: you'll spend real time on the rebuild. Budget for it.
How do I migrate BigCommerce categories to Shopify collections?
Categories become collections. Names usually carry over fine. What changes is the URL structure and how collection rules work. BigCommerce categories are mostly manual; Shopify collections can be manual or automated (rule-based — show products tagged 'sale', for example). The audit phase is the right moment to clean up category structure: merge categories that should have been one, kill categories with three products, rethink navigation. A clone migration misses the cleanup chance.
Can I keep my domain when migrating from BigCommerce to Shopify?
Yes. Domain stays the same; you point it at Shopify with DNS changes during cutover. There's a small window — usually under an hour — when DNS is propagating and traffic might hit either platform. Plan cutover for a low-traffic window and have someone watching it live. The domain transfer itself is technical but routine. Any migration specialist who's done this before handles it without drama.
What happens to my BigCommerce subscriptions during a Shopify migration?
Subscriptions are the trickiest piece. Customer records and payment tokens don't always transfer cleanly across platforms, especially if you were on a BigCommerce-native subscription tool. The honest answer: you may need to re-enroll subscribers, which means customer communication and a careful churn plan. If subscriptions are 30%+ of revenue, slow down on the migration plan and bring in someone who's specifically migrated subscription stores to Shopify before.
How do I move my BigCommerce reviews to Shopify?
Depends what review tool you were using. If it was a third-party app that exists on both platforms — Yotpo, Loox, Okendo, Judge.me — export from one and import into the other. If you were on BigCommerce native reviews, export those as CSV before you migrate, then import them into whatever Shopify review app you pick. Losing reviews is one of the most preventable migration losses. Nobody should be doing this job without that step in the checklist.
What should I test before going live with my Shopify store post-migration?
Real test orders. End to end. Desktop and mobile, multiple payment methods, from different addresses. Verify the order confirmation email arrives. Refund the test order and check the refund flow. Test password reset with a real customer email. Check 30 of your top product URLs to verify redirects fire. Check 10 collection URLs. Submit your new sitemap to Search Console. Watch Search Console errors for two weeks after launch — that's where you find the URLs the redirect map missed.

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