Best X-Cart Development Company — Since 2008.
Most agencies stopped taking X-Cart work years ago. MercuryMinds never did. Official X-Cart Partner since 2008 — customisation, addon development, ERP integration, support and migration when you're ready to move.
Official X-Cart Partner since 2008 · Currently active on X-Cart 5 · Link to all 3 migration routes
X-Cart Development Services
X-Cart is a powerful platform — and a well-maintained X-Cart store can run effectively for years. The problem is finding developers who know it well enough to work on it without breaking what already works.
Custom module development, template modifications, functionality extensions and layout changes on X-Cart 5. Coded to X-Cart's architecture — not hacked around it.
Custom X-Cart addons for functionality that doesn't exist in the X-Cart marketplace — from custom pricing rules to complex fulfilment workflows to third-party API integrations.
Direct API integrations between X-Cart and your ERP, accounting platform, warehouse system or supplier feeds — production-grade data pipelines, not off-the-shelf connectors that break.
Ongoing X-Cart support — security patches, version updates, performance monitoring and bug fixes. For stores that need to keep running reliably without the resources for a full migration yet.
X-Cart performance tuning — server configuration, caching, database query optimisation and page speed improvements without touching the existing codebase unnecessarily.
When you're ready to move — to Shopify, WooCommerce or Magento — the migration is planned and executed by a team that knows exactly what's in your X-Cart installation and what needs to carry over.
When You're Ready to Move
The right time to migrate isn't when your X-Cart store breaks — it's when you've identified what the destination platform needs to do that X-Cart can't. MercuryMinds handles all three X-Cart migration routes, and builds actively on all three destination platforms.
When you're not ready to migrate yet, the AI data engineering capabilities below can be built on top of your existing X-Cart installation.
Migration Route 1
X-Cart to Shopify
Products, customers, orders, SEO URLs and store settings — migrated without data loss. The most common X-Cart migration route. Real inbound enquiries confirmed every month.
Migration Route 2
X-Cart to WooCommerce
Move to the WordPress ecosystem without losing data. Most WooCommerce agencies don't know X-Cart — MercuryMinds knows both platforms since 2008.
Migration Route 3
X-Cart to Magento
Enterprise-grade migration for stores with complex catalogue structures, B2B pricing or ERP integration requirements that Shopify and WooCommerce can't match.
AI on X-Cart
Catalog & ERP Automation
AI catalog enrichment and ERP integration automation can be built on top of your current X-Cart installation — no migration required to start getting value from your data.
How We Work
Whether it's a customisation, an integration or a full migration — fixed scope, fixed price, named developer. Everything documented and handed over at completion.
Current X-Cart version, addon inventory, custom code review, integration map and performance baseline. For migration projects: data export test and URL mapping before any build work starts.
Fixed scope agreed and signed off before any development starts. For migrations: the redirect file and data migration plan produced at this stage. No work begins until both parties have agreed the full scope in writing.
Development on staging. All custom code tested against X-Cart architecture standards. Integration testing against live data before any go-live. Migration data integrity verified by record count comparison before launch.
Zero-downtime go-live. Full documentation and code handover. For migrations: redirect file deployed and verified. 30-day post-launch support included as standard.
Why MercuryMinds for X-Cart
The X-Cart development market has shrunk dramatically. Most agencies that once built on X-Cart have stopped taking it on — which means the options for X-Cart stores needing ongoing development or migration support are genuinely limited. MercuryMinds is still here, still active and still building.
Official Partner status means API access, documented internal knowledge and a direct line to X-Cart's own team when platform-level issues arise. That's not something a developer who last touched X-Cart in 2019 can offer.
Scarcity
Most X-Cart agencies stopped years ago. Near-zero competition means finding the right developer is the hard part — not the price.
Partnership
API access, platform-level knowledge and direct X-Cart support relationships — not available to developers who stopped working on the platform years ago.
Migration clarity
We build on Shopify, WooCommerce and Magento too — which means the migration is handled by a team that knows both the source and the destination, not just the destination.
No pressure
If your X-Cart store is working, we'll keep it working. If migration makes sense, we'll tell you why and what the path looks like — not because we prefer another platform but because the numbers support it.
Yes. X-Cart 5 is still actively maintained by X-Cart Inc. — security patches, version updates and new features continue to be released. X-Cart is not end-of-life. The challenge isn't the platform — it's finding developers who still know it well enough to work on it without introducing problems. MercuryMinds has been an Official X-Cart Partner since 2008 and actively maintains X-Cart 5 installations for clients today.
Yes. MercuryMinds has been an Official X-Cart Partner since 2008 — one of the longest-standing X-Cart partners still actively building on the platform. Official Partner status means direct API access, platform-level technical documentation and a working relationship with X-Cart Inc.'s development team. This matters for complex customisations and for understanding the platform's internal architecture at a level that general developers cannot access.
MercuryMinds handles all three X-Cart migration routes: X-Cart to Shopify (the most common route — 4–8 weeks for most stores), X-Cart to WooCommerce (for merchants moving to the WordPress ecosystem) and X-Cart to Magento (for stores with complex B2B requirements). All three follow the same process: platform audit, data export, URL mapping, build, data import, QA validation and go-live with 30-day monitoring. Because MercuryMinds builds on all four platforms, the migration team knows both the source and destination without guesswork.
Yes. X-Cart's REST API supports integration with modern ERP, WMS and accounting systems — SAP, Microsoft Dynamics, NetSuite and custom ERP platforms. MercuryMinds builds direct API integrations between X-Cart and these systems as production data pipelines, replacing fragile middleware connectors. The same data engineering expertise applies whether the store stays on X-Cart or migrates to another platform.
The honest answer: there are very few X-Cart development companies still actively building on the platform. MercuryMinds is one of them — Official X-Cart Partner since 2008, currently active on X-Cart 5, with the institutional knowledge that comes from 17+ years of working on the platform. If you are searching for X-Cart developers and finding the list short, that's because it genuinely is short. We are still here and still taking X-Cart work.
Related Services
Still on X-Cart?
Tell us your X-Cart version, your current custom addon list, your integration requirements and whether you're considering migration. We'll come back with a fixed scope — customisation, integration, or migration plan.