What theme are you using and what's the address of your store? If you have a storefront password set under Online store >> Preferences, please post that here too or disable it, otherwise we can't see your storefront. (NOTE: Do NOT post your admin password here, only the storefront password).
Did my solution work? Help other Community members easily find the correct solution and apply it to their own stores by marking it as the Accepted Solution and giving it a Thumbs Up
★ EU B2B customer registration with VAT ID validation: https://apps.shopify.com/b2b-customer-registration ★
