Culsin ‑ B2B Registration Form

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

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)