Can you migrate from Shopify Plus / Magento 1 / BigCommerce to Magento 2.4.9?

Yes, the three most common NYC migration paths we run. Shopify Plus → Magento 2.4.9: 6-10 weeks, Data Migration Tool for products + orders + customers, custom scripts for Shopify metafields + apps, AWS us-east-1 or Local Zones NYC hosting. Reasons NYC merchants make the switch: better B2B (resale-certificate-gating, Net-30, Amex Open Pay), lower per-transaction fees at scale (no 0.15% Shopify Plus tax on top of payment-rail), Hyvä performance for SoHo / Garment District DTC. Magento 1 → Magento 2.4.9: 10-16 weeks, official Data Migration Tool + extension audit (M1 extensions don’t port), Hyvä theme rebuild, NYS DFS-500 + NYC sales-tax-clothing-exemption re-wire. Reason: M1 is EOL since June 2020, PCI-DSS non-compliant, NY DFS won’t accept it for B2B fintech. BigCommerce → Magento: 6-10 weeks, REST API extraction + ETL into Magento EAV, 1:1 URL mapping for SEO preservation. Reason: scale, BigCommerce struggles past 100k SKUs or complex B2B. URL-preservation 301-redirects mandatory in all three.