Lookuptax for Microsoft Excel
Bulk Tax ID Validation for Effortless Compliance
Validate thousands of tax IDs from over 100 countries directly in Microsoft Excel. Streamline your compliance process and reduce manual work.
How it Works
Streamlined Bulk Validation
Lookuptax simplifies bulk tax ID validation directly within your Microsoft Excel. Here’s how it works:
Install the Add-in
Get the Lookuptax add-in from the Microsoft AppSource in a few clicks.
Select Data Range
Choose the columns with tax IDs and country codes you want to validate.
Run Validation
Tax IDs are validated in bulk, with results appearing in a new column. Invalid IDs are clearly flagged.
Detailed Results
Get detailed validation results, including the official company name and address for valid IDs.
Key Features for Bulk Processing
Global Coverage
Validate tax IDs from over 100 countries, including VIES for the EU, GSTIN for India, ABN for Australia, and more.
High-Volume Validation
Process thousands of tax IDs in a single batch, saving hours of manual work.
Automatic Data Formatting
The addon automatically formats and cleans data to ensure the highest validation accuracy.
Seamless Integration
Works directly within your Microsoft Excel, no need to switch between applications.
Built for Microsoft Excel
Easy to Use
An intuitive interface that feels like a native part of Microsoft Excel.
Export Results
Easily export your validation results to a CSV file for your records.
Developer Friendly
Well-documented for any custom scripting needs with Office Scripts.
Secure & Compliant
All data is encrypted in transit and at rest. We are fully GDPR compliant.
Trusted by Businesses Worldwide
Frequently Asked Questions
What countries do you support?
We support tax ID validation for over 100 countries. You can see the full list on our Supported Countries page.
How many validations can I run at once?
You can validate thousands of tax IDs in a single batch. The exact number depends on your Microsoft Excel usage limits.
What happens if a tax ID is invalid?
The addon will flag the tax ID as invalid in the results column, allowing you to quickly identify and address problematic entries.
Is there a free trial?
Yes, we offer 100 free validations so you can test the addon and see how it can help your business.
Start Validating Tax IDs in Bulk Today
Install the Microsoft Excel add-in and streamline your tax compliance process. Save time and reduce errors with our powerful bulk validation tool.