Automatic e-invoices for Shopify with ZUGFeRD, XRechnung, VAT checks and GoBD archive
W-9 collection software for accounting firms
Stage
Not given
Not given
Founded
Not given
Not given
Based in
PT
US
Pricing model
Freemium
Paid
Pricing
Free plan: 25 invoices per month. Unlimited plan: $22 USD/month (approximately €19 depending on exchange rate) with 14-day free trial. Billed through Shopify in USD. No per-order fees.
W9Finder Founding Cohort: $1,188/year (first 25 firms, equivalent to $99/month billed annually); $1,788/year for standard annual price after founding cohort fills. Monthly plan: $149/month. Founding Cohort renews at $1,788/year unless canceled.
Key features
ZUGFeRD 2.4 and XRechnung 3.0.2 e-invoice formats
10-year GoBD-compliant archive with sequential invoice numbers
Source selection to choose which orders invoice automatically
VAT ID validation through VIES and reverse charge support
Support for Kleinunternehmer (German small-business scheme)
OSS (One-Stop-Shop) quarterly reports with BOP import file
Monthly export ZIP with PDFs, XMLs and CSV summary for accountant
Theme app block for B2B/public-sector buyers to enter VAT ID and Leitweg-ID
Validator-checked using KoSIT, Mustang and veraPDF
Customizable invoice email text in German and English with optional BCC
Flag missing W-9s and incomplete vendor details
Send secure request links for W-9 completion or upload
Review and approve vendor submissions
Export reviewed vendor data for filing
Encrypted TIN storage and masking
Staff access with owner-only controls
Works with QuickBooks vendor exports
Free Vendor Readiness Scanner tool
What makes it different
Supports multiple EU VAT schemes including reverse charge, OSS, and Kleinunternehmer in one app
Direct integration with Shopify cart for B2B buyer data capture
Automatic public-sector invoice routing with XRechnung Leitweg-ID support
Centralizes W-9 tracking and requests in one workflow instead of email threads
Documents stored privately with secure, expiring request links
Built-in security for sensitive vendor data like SSNs and EINs
Stops W-9 chasing before the January filing deadline
Works with firms' existing filing processes, not 1099 e-filing
Faktwise
W9Finder