Google Sheets Guide
How to Bulk Validate Tax IDs in Google Sheets
Turn your spreadsheet into a powerful compliance tool. Check validity, format, and registered business names for thousands of Tax IDs instantly.
Tutorial
Start Validating in 3 Steps
No need for complex API scripts or manual copy-pasting. Just install and run.
Step 1: Get the Add-on
Install 'Lookuptax' from the Google Workspace Marketplace. It integrates securely with your Sheets environment.
Step 2: Select Your Columns
Highlight the cells containing your customer Tax IDs. Our smart-detect algorithm identifies the country automatically.
Step 3: Run Bulk Check
Click "Start Validation". We ping official databases (VIES, HMRC, ABR) and return live status codes.
Step 4: Collaborate & Export
Share the results with your finance team directly in the sheet or export as a clean CSV/PDF report.
Why Google Sheets + Lookuptax?
Real-Time Collaboration
Your whole finance team can work on the same validation sheet simultaneously. No emailing files back and forth.
Live Official Data
We connect your sheet to official government databases. No stale or cached data ever.
Privacy-First Architecture
We are GDPR compliant. Your customer data is encrypted and never stored longer than necessary for processing.
Advanced Features for Power Users
Custom Formulas
Use our custom =VALIDATE_TAX() formulas (coming soon) for dynamic cell-based checking.
Handles 100+ Countries
Validate EU VAT, Indian GST, Australian ABN, and US EINs all in the same column.
Apps Script Compatible
Developers can use our library in Google Apps Script for custom automation workflows.
Trusted by 10,000+ Finance Pros
Common Questions
Does this work on Mac and Windows?
Yes! Because it works in the browser (Google Sheets), it runs perfectly on Mac, Windows, Linux, and Chromebooks.
Can I validate EU VIES VAT numbers?
Absolutely. We provide a direct connection to the EU VIES system for real-time validity checks of all EU VAT numbers.
Is my data secure inside Google Sheets?
Yes. The add-on runs with strict permissions. We only process the cells you explicitly select for validation.
Is there a free tier?
Yes. Install the add-on for free and get 100 validation credits to test the service with your own data.
Automate Tax Compliance in Sheets
Stop manual checks. Install Lookuptax for Google Sheets and clean your customer database today.