Our BigCommerce to Magento migration service transfers all critical store data following a structured pre-migration audit. Every entity is mapped from BigCommerce's SaaS data model to Magento 2's EAV architecture, validated in staging, and tested before your new store goes live.
Product names, SKUs, descriptions, prices, images, inventory levels, product variants, custom field values, and product SEO data exported from BigCommerce and mapped to Magento 2's product attribute model.
Customer names, email addresses, phone numbers, billing and shipping addresses, and customer group assignments migrated from BigCommerce's customer model to Magento 2 customer accounts with full data integrity.
BigCommerce discount rules and coupon codes, discount types, usage limits, expiry dates, and eligibility conditions recreated within Magento 2's cart price rules and promotions framework.
Complete BigCommerce order history including statuses, line items, tax totals, shipping methods, and billing records transferred and validated against the source store post-import.
Product reviews migrated from BigCommerce to Magento 2's native review and rating system, preserving star ratings, review content, reviewer names, and publication status.
Brand and supplier data migrated as Magento 2 product attributes, maintaining catalogue organisation and enabling layered navigation filtering on the new store.
BigCommerce custom product fields and metadata remapped to Magento 2's custom attribute and EAV structure no custom product information left behind during migration.
Product pricing, sale prices, tier pricing rules, and BigCommerce tax class data migrated accurately. Magento 2 tax zone and rate configuration is handled as part of new store setup.
All BigCommerce blog posts, images, categories, tags, author data, publish dates, and SEO metadata migrated using a compatible Magento 2 blog extension with URL mapping applied.
Meta titles, meta descriptions, canonical tags, full URL structure mapping, and 301 redirects for every changed URL protecting the organic authority your BigCommerce store has built.
BigCommerce pages About Us, Contact, FAQ, policy pages, and landing pages migrated with content and SEO metadata intact into Magento 2's CMS page model.
After completing 150+ ecommerce platform migrations, we follow a proven process that protects your traffic, revenue, and customer data from the first day of the project through to 30 days post-launch.
BigCommerce and Magento 2 generate URLs with different structures across products, categories, and pages. We crawl your full BigCommerce site before migration begins, map every URL to its Magento equivalent, and implement 301 redirects at go-live. Your organic rankings follow no traffic lost.
Your BigCommerce store continues trading normally during the entire project. All Magento 2 build and data migration work happens on a separate staging environment, fully tested before your domain switches over. Customers see no disruption.
BigCommerce uses a flat product and variant structure. Magento 2 uses an entity-attribute-value (EAV) model that allows far greater flexibility but requires careful data mapping. Every product type, custom field, and variant structure is assessed and mapped in the audit phase not after import.
Unlike BigCommerce, Magento is self-hosted. Choosing the right hosting environment dedicated server, Magento Cloud, or managed hosting and configuring it correctly before migration starts affects performance, cost, and ongoing operational complexity. We advise on the right infrastructure for your scale as part of the project scope.
BigCommerce apps don't transfer to Magento. Every function handled by a BigCommerce app loyalty programmes, advanced search, subscription products, review systems, ERP integrations needs a Magento 2 extension equivalent or custom module. We audit the full stack at project start.
Traffic, rankings, checkout performance, and integration sync are monitored after the domain switches. Any issue that surfaces post-launch is resolved as part of the project, not raised as a separate engagement.
We implement multiple security measures to ensure a safe, compliant, and risk-free Bigcommerce to Magento migration. Your data is protected at every stage.
BigCommerce to Magento is an unusual migration most brands move towards managed, hosted platforms. Moving in the other direction is a deliberate choice for more architectural control, deeper customisation capability, and enterprise-grade flexibility. This guide covers why businesses make this move, the specific technical challenges involved, what Magento 2 delivers that BigCommerce doesn't, and where BigCommerce's constraints become a commercial barrier.
BigCommerce is a credible ecommerce platform and a genuine option for mid-market and enterprise brands. It handles multi-storefront, B2B operations, headless commerce, and most standard ecommerce requirements reliably. The decision to migrate from BigCommerce to Magento is not typically driven by dissatisfaction with BigCommerce as a platform, it's driven by a business that has specific requirements that Magento's open-source architecture handles better than any SaaS platform can.
The most common scenario is hitting BigCommerce's architectural ceiling. BigCommerce's SaaS model means the platform controls what can be customised, how deeply, and at what cost. Merchants access the frontend and manage configuration; they don't own the codebase. Complex B2B workflows, bespoke pricing engines, custom checkout logic, unusual product structures, and deep ERP integrations that require non-standard data handling all hit this ceiling eventually. When a business needs to build something that BigCommerce's architecture doesn't support, the options are expensive workarounds or a platform change.
BigCommerce's revenue-based pricing model is another driver. Standard BigCommerce plans have annual revenue thresholds exceeding your plan's threshold that triggers an automatic upgrade to the next tier, with a corresponding cost increase. For fast-growing businesses, this creates unpredictable platform cost that scales with revenue rather than being a fixed infrastructure investment. Magento Open Source has no revenue threshold you pay for hosting and development, but the platform fee doesn't grow as your revenue grows.
The catalogue complexity argument is particularly relevant for manufacturers, distributors, and brands with large, highly configurable product ranges. Magento's EAV (entity-attribute-value) data model allows unlimited product attributes, complex configurable products with extensive option sets, and sophisticated layered navigation filtering that BigCommerce's more constrained product model struggles to match.
Finally, multi-store architecture matters for brands operating across multiple regions, brands, or B2B and B2C channels. Magento's native multi-store capability allows you to manage multiple storefronts, each with their own catalogue, pricing, content, and checkout from a single admin. BigCommerce's multi-storefront feature is a step in this direction but with SaaS-level constraints on what can be differentiated between stores.
Our Magento development team works with businesses across the full complexity spectrum from straightforward BigCommerce migrations to complex B2B and multi-store Magento builds. We can help you assess whether Magento is genuinely the right destination for your requirements before the project starts.
BigCommerce to Magento is a SaaS-to-open-source migration meaning you're moving from a managed platform to one where you own and operate everything. The technical challenges reflect this fundamental architectural difference.
Data model mapping.
BigCommerce uses a relatively flat product and variant structure optimised for ease of use. Magento 2 uses an entity-attribute-value (EAV) database model with configurable, grouped, bundled, and virtual product types. Mapping BigCommerce's product data to the correct Magento product structures requires careful assessment of every product type in your catalogue before migration starts.
Infrastructure planning.
This is the challenge that's often underestimated. BigCommerce provides hosting, security, and performance management as part of the platform. On Magento, you're responsible for choosing and configuring your hosting environment, setting up caching (Varnish, Redis), configuring Elasticsearch for search, managing SSL, and planning for traffic scaling. The hosting decision dedicated server, Magento Cloud (Adobe Commerce Cloud), or managed Magento hosting needs to be made and validated before migration starts, not after.
URL structure differences.
BigCommerce and Magento 2 generate URLs with different patterns. Product pages, category pages, and CMS pages all need their URLs mapped and redirected. Missing even a portion of these redirects after migration results in organic traffic loss. We crawl the full BigCommerce site before migration and validate every redirect in staging.
App-to-extension mapping.
BigCommerce apps are cloud-based integrations built for BigCommerce's API. None of them transfer to Magento. Every business function handled by a BigCommerce app needs to be assessed, some have Magento extension equivalents, some need custom module development. This is one of the most commercially significant parts of pre-migration planning.
Theme and frontend rebuild.
BigCommerce themes don't transfer to Magento. A new Magento 2 theme needs to be built. This is also the right moment to evaluate Hyvä theme development Hyvä delivers substantially better Core Web Vitals performance than Magento's standard Luma theme and is the recommended frontend choice for most Magento 2 builds in 2026.
Customer passwords.
BigCommerce and Magento use different password encryption. Customer passwords cannot be migrated. Every customer will need to reset their password on Magento, which we plan for with a post-launch customer communication.
For brands that have made the deliberate decision to move from a managed SaaS platform to an open-source architecture, Magento 2 delivers specific capabilities that BigCommerce's model can't match.
Full ownership of your codebase and architecture.
On Magento, you own the application. There is no platform vendor between you and your store's code. Every business rule, checkout flow, pricing logic, and integration can be built exactly to your requirements. If BigCommerce's SaaS constraints have been limiting what you can build, this is the fundamental change.
No revenue-based pricing.
Magento Open Source has no annual revenue threshold that triggers mandatory plan upgrades. Your infrastructure costs grow with your traffic and hosting needs, not with your revenue. For fast-growing businesses, this is a meaningful long-term cost advantage over BigCommerce's tier-based pricing model.
Enterprise-grade catalogue flexibility.
Magento's EAV data model supports unlimited product attributes, complex configurable product structures, sophisticated layered navigation, and large catalogues with deep filtering capability. For manufacturers, distributors, and brands with complex product ranges, this is a material operational advantage over BigCommerce's more constrained product model.
Native B2B at enterprise depth.
Magento 2 B2B includes company account management, shared catalogues with tiered pricing, quote management, purchase order workflows, customer-specific payment terms, and requisition lists all natively, without third-party app dependency. For brands running genuine B2B operations, Magento's B2B depth exceeds what BigCommerce B2B Edition provides.
Multi-store management from one admin.
Magento's multi-store architecture lets you manage multiple websites, stores, and store views from a single admin each with separate catalogues, pricing, content, language, and checkout configuration. This is the right architecture for brands operating internationally or running parallel B2B and B2C operations.
Hyvä for performance-critical storefronts.
After migrating to Magento 2, the most significant performance improvement available is implementing a Hyvä frontend. Hyvä delivers Core Web Vitals scores that Luma-based themes cannot match, with faster page loads, better mobile performance, and lower development cost for ongoing frontend work.
BigCommerce is a capable platform for businesses that fit within its managed SaaS model. The limitations become constraints when a business needs to operate outside what that model supports.
Customisation has a ceiling.
BigCommerce allows customisation of themes, settings, and integrations through its API and app ecosystem. It does not give access to core platform code. Any business requirement that sits outside what BigCommerce's architecture supports unusual checkout flows, bespoke pricing engines, custom product structures, non-standard data handling requires workarounds that are expensive, fragile, or simply not possible at the depth needed.
Revenue-based plan escalation.
BigCommerce's Standard, Plus, and Pro plans have annual revenue thresholds. When your store exceeds its plan's revenue ceiling, BigCommerce automatically moves you to the next tier. For growing businesses, this means platform cost can escalate unexpectedly and at a rate that's directly proportional to commercial success. Enterprise pricing is negotiated separately and can be substantial. Magento Open Source has no such threshold.
Product catalogue depth.
BigCommerce's product model works well for standard ecommerce catalogues. Stores with very complex configurable products, manufacturer-specific attribute sets, deep layered navigation requirements, or large catalogues needing fine-grained attribute management find BigCommerce's product model less capable than Magento's EAV architecture.
B2B operational depth. BigCommerce B2B Edition covers many B2B requirements. For businesses with genuinely complex B2B operations multi-tier pricing, quote workflows with approval chains, customer-specific payment terms, company accounts with multiple buyers at different permission levels Magento's native B2B module provides more depth and greater flexibility.
SaaS dependency and roadmap risk.
On BigCommerce, your store runs on BigCommerce's infrastructure and evolves on BigCommerce's roadmap. Features, pricing, and platform direction are controlled by the vendor. For businesses that need to own their commerce architecture and not be dependent on a third-party SaaS vendor's decisions, this is a fundamental constraint. Magento Open Source is software you own and control.
API rate limits affect migration and integration complexity.
BigCommerce API call limits vary by plan, which can affect the speed and complexity of data migrations and real-time integrations. For stores with high-volume ERP sync requirements or complex integration architectures, these limits create engineering constraints that self-hosted Magento doesn't impose.
If your BigCommerce operation is approaching these constraints, a well-planned migration to Magento 2 handled by an experienced team gives you the architectural control and commercial flexibility you're looking for. Get in touch for a free migration consultation.
Every BigCommerce to Magento migration follows the same structured approach: full audit first, staged build second, go-live only when everything is validated and tested.
Kiwi Commerce holds Adobe Commerce Certified status, and our founder holds Magento Master status awarded to fewer than 60 developers globally. BigCommerce to Magento is a migration that requires deep knowledge of Magento's architecture, not just migration tool experience. We understand Magento's EAV data model, extension ecosystem, hosting requirements, and B2B capabilities at the level needed to build a store that performs from day one not one that needs rework post-launch.
Every project starts with a pre-migration audit, follows a fixed scope and timeline, executes in staging while your BigCommerce store stays live, and includes 30 days of post-launch monitoring as standard. We advise on Magento edition choice, hosting infrastructure, and Hyvä vs Luma frontend as part of the project so the decisions that shape long-term operational cost and performance are made correctly from the start.
KIWI Commerce redeveloped my entire website, exactly to my requirements. They worked exactly along with my timeframe and were fantastic to work with. I would highly recommend this company. Thank you Sam and the team!
Great response to tickets. We feel our website is in safe hands with Kiwi. Any issues are fixed very quickly. Great value for money. We have been working with Kiwi for a couple of years now and find them very helpful and easy to get along with. Would highly recommend.
Working with Kiwi Commerce has been a very smooth experience. Their team is responsive, knowledgeable, and always willing to go the extra mile. From development to ongoing support, everything is handled efficiently and with great attention to detail. Highly recommended.
We’ve been working with Kiwi Commerce for ongoing website improvements and support, and the experience has been consistently positive. They are proactive, easy to work with, and quick to respond whenever we need assistance. Great team and great service.
We’d love to hear from you. Whether you’re planning a new e-commerce launch, redesigning an existing store, or looking for ongoing support and growth strategies, our team is here to help.
From custom Magento 2 builds and B2B implementations to Adobe Commerce Enterprise projects and complex multi-store setups our certified team delivers Magento at every scale.
Post-migration Hyvä theme development transforms Magento 2 performance delivering Core Web Vitals scores that Luma themes cannot match, with faster storefronts and better mobile conversion.
We don't disappear after launch. Our certified team provides continuous Magento 2 support, extension development, performance optimisation, and strategic development as your business scales on its new platform.
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