Culsin ‑ B2B Registration Form

Accept or reject wholesale applications and validate VAT IDs

by Culsin · Launched: May 2026 · Free plan available.

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B2B application form with VAT validation, one-click approvals, and Flow built in.

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About Culsin ‑ B2B Registration Form

Add a B2B registration form to your storefront without touching any code. Customers submit company details and VAT IDs, you review applications in a clean dashboard, and approve or deny with a single click. Approved customers are tagged, set tax exempt, and optionally linked to a Shopify B2B Company record. Custom fields write to customer metafields. Shopify Flow triggers and actions included. Works on any Shopify plan. Review and approve or deny applications from your Shopify admin dashboard Validate EU, UK, US, and Canadian tax IDs against live government registries Tag customers, set tax exempt, and write VAT ID to metafields on approval Shopify Flow triggers and actions — automate approvals in both directions Auto-create Shopify B2B Company records when approving customers (Shopify Plus) Show more Show less

Last verified: July 21, 2026 · Fresh