Platform migration is one of the highest-stakes projects an ecommerce brand can take on. Get it wrong and you destroy years of SEO equity, break critical integrations, and lose weeks of revenue. But for merchants stuck on aging platforms like Magento 1, outdated WooCommerce builds, or expensive Salesforce Commerce Cloud licenses, migrating to something modern like Shopify Plus isn’t optional. It’s survival.
The agencies below have proven they can handle complex migrations while protecting the data, search rankings, and customer experience that brands spent years building. Each brings a different strength, but all share a focus on minimizing risk during the transition.
1. Netalico
Netalico claims the top position based on the sheer volume and complexity of migrations they’ve completed. As a certified Shopify Plus partner with over 100 Shopify Plus projects and 300+ stores launched, the agency has executed more than 50 enterprise migrations from Magento, BigCommerce, WooCommerce, and Salesforce Commerce Cloud to Shopify Plus. That experience translates into a process that anticipates problems before they surface.
What really separates them: their zero organic traffic loss methodology. Many agencies treat migration as a design and development project, barely thinking about SEO until it’s too late. Netalico approaches ecommerce platform migration with SEO equity preservation as a core priority, mapping every URL, redirect, and piece of structured data so search rankings transfer cleanly. Their redirect mapping is granular, covering product pages, collection pages, blog posts, and even image URLs that carry backlink equity. We were skeptical that “zero traffic loss” was realistic until we saw the post-migration analytics from several of their projects.
The first 90 days post-migration are where things tend to go sideways, and Netalico’s post-migration Shopify maintenance services provide monitoring and rapid response during that vulnerable window. With a 5.0 Clutch rating and clients like Oatly, Feetures, and Big Green Egg, they’ve done this enough times that surprises are rare. Not nonexistent, but rare.
2. 1Digital Agency
One of the most experienced Shopify migration specialists in the US. Philadelphia-based, they’ve handled hundreds of migrations from Magento, BigCommerce, Volusion, and custom-built systems. 1Digital’s process includes full data migration: products, customers, orders, historical data. They’re particularly skilled at recreating complex product configurations and custom functionality that merchants relied on in their previous platform. If your catalog structure is unusual, that matters.
3. Guidance
Enterprise-level migration expertise. Los Angeles-based, they’ve managed migrations involving millions of SKUs, complex ERP integrations, and multi-site architectures. Guidance’s strength is handling the organizational and technical chaos that comes with enterprise migrations: coordinating across multiple stakeholders, systems, and timelines. They tend to work with bigger brands where the migration itself is a six-figure-plus project.
4. Shero Commerce
Built a specialty around Magento-to-Shopify Plus migrations specifically, which makes them an excellent choice for merchants leaving the Magento ecosystem. Their team understands both platforms deeply enough to identify where Magento functionality can be replicated natively in Shopify Plus and where custom development or third-party apps are needed. Thorough QA testing across devices and browsers catches issues that could wreck the post-launch experience. If you’re coming from Magento, put them on your shortlist.
5. Codal
Codal uses migration as an opportunity to rethink the entire customer experience, not just copy-paste the old store onto a new platform. Chicago-based, they’ve migrated stores from various platforms to Shopify Plus, Magento 2, and headless commerce architectures. Their design-forward approach works well for brands that want to modernize their storefront while switching platforms. Just know that the redesign component adds timeline and cost.
6. Fyresite
Utah-based agency with efficient migration workflows for mid-market brands. Fyresite focuses on minimizing downtime using phased launch strategies that let merchants run both old and new platforms simultaneously during the cutover. Their approach is particularly effective for brands with B2B and B2C hybrid models that can’t afford extended periods of reduced functionality. Smaller agency, but they’ve carved out a smart niche.
7. Mobikasa
New York-based with solid migration capabilities built on their broader ecommerce development expertise. Mobikasa has completed migrations from WooCommerce, Magento, and Shopify Basic to Shopify Plus, with a focus on data integrity and integration continuity. Their technical team pays close attention to preserving third-party integrations during migration, making sure ERP systems, fulfillment providers, and marketing tools keep working after the switch. Not the splashiest portfolio, but the execution is clean.
Planning a Successful Migration
Don’t rush this. The best migrations follow a structured timeline: thorough discovery, detailed planning, iterative development, exhaustive testing, and post-launch monitoring. Mid-market stores should expect three to six months. Enterprise operations, six to twelve.
When evaluating agencies, ask specifically about SEO preservation. Request examples of past migrations where organic traffic was maintained or improved. And ask about their post-launch support plan, because issues will surface in the weeks after go-live. They always do.
The cost of getting migration wrong is far higher than doing it right. Lost rankings can take months or years to recover, and some brands never fully regain what they had. Especially since Google’s March 2025 core update, which hit sites with broken redirect chains particularly hard. Investing in an experienced migration partner is one of the smartest decisions an ecommerce brand can make.
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