Shopify: iteration speed without losing control.

Plus unlocks: Checkout Extensions UI (customizing checkout beyond what standard allows), Shopify Functions (serverless logic for discount/payment/delivery), native B2B (gated catalogs, price lists, PO), Markets Pro (unified multi-country), Shopify Flow automation, Wholesale Channel and higher API limits. The upgrade usually makes sense above ~$2M USD/year in sales, or when you specifically need one of these features.

Yes. We have a migration playbook: catalog, customer and order-history export; import to Shopify; 301 redirect setup to preserve SEO; exhaustive testing; cutover in a low-activity window. Typical timeline 8-16 weeks depending on catalog and customizations. We cover migrations from Magento, WooCommerce, BigCommerce and Wix.

Custom for brands with a specific identity, a large catalog or features no premium theme covers. Modified premium for stores under 100 SKUs with limited budget and short deadlines. The operational difference: a custom theme is maintainable by your team for 3+ years; a premium theme tends to break with every update and ties you to the vendor.

Marketplace when: the app covers the case well, reasonable monthly cost (<$50 USD), no notable performance impact. Private app when: the feature is critical to your operation, 10+ apps only partially cover it, marketplace monthly costs are high, or you need logic no app allows. We audit apps during takeovers — typical 40-60% reductions in subscription costs.

Yes. Via marketplace apps (Facturama, Facturapi, NubeSec) or custom integration depending on volume and needs. Covers full CFDI 4.0 with payment complements, foreign trade and carta porte when applicable. Automated on order close or payment confirmation.