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    US Sales Tax Services

    Tax Exposure Analysis
    Tax Exposure AnalysisExpert Tax Exposure and Risk Solutions
    Nexus Assessment
    Nexus AssessmentComprehensive Business Nexus & Tax Analysis
    Sales Tax Planning
    Sales Tax PlanningExpert Sales Tax Planning Services
    Sales Tax Registration
    Sales Tax RegistrationSeamless Sales Tax Registration Services
    All-in-One Sales Tax Portal
    All-in-One Sales Tax PortalCentralised Hub for All Sales Tax Needs
    Tax Certificate Management
    Tax Certificate ManagementSales Tax Exemption Certificate Management
    Sales Tax Filing
    Sales Tax FilingSales Tax Filing with Expert Assurance
    Expert Support
    Expert SupportExpert Support for State Tax Matters

    Global VAT Services

    Tax Exposure Tracking
    Tax Exposure TrackingSimplified Global Tax Exposure Tracking
    Global Tax ID Verify/Lookup
    Global Tax ID Verify/LookupGlobal Real-Time Tax ID Verify/Lookup
    Global VAT Automation
    Global VAT AutomationGlobal VAT Automation & Integration
    E-Invoicing Compliance
    E-Invoicing ComplianceSecure and Compliant Global E-Invoicing
    Global Tax Registration
    Global Tax RegistrationSimplified Global Tax Registration
    Fiscal Representative
    Fiscal RepresentativeHassle-Free Global Fiscal Representation
    Global Tax Filing
    Global Tax FilingEffortless Global Tax Filing
    Global Audit Support
    Global Audit SupportAudit-Ready Global Tax Compliance
  • SolutionsArrow Down
    Mid and Large Enterprise
    Mid and Large Enterprise
    Small Business/ Startup
    Small Business/ Startup
    E-Commerce
    E-Commerce

    SAAS and Digital Goods
    SAAS and Digital Goods
    Service-Based Businesses
    Service-Based Businesses
    Healthcare
    Healthcare
    Food and Beverage
    Food and Beverage
    Retail
    Retail
  • ResourcesArrow Down

    Worldwide Tax Guide

    The United States
    The United States
    Canada
    Canada
    Europe
    Europe
    Asia-Pacific
    Asia-Pacific
    Africa and Middle East
    Africa and Middle East
    Latin America
    Latin America

    Tax Tools

    calculatorUS Sales Tax Calculator
    calculatorGlobal VAT Calculator

    Other Resources

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    supportHelp & Support
  • Integrations
TaxDo Logo

Global Real-Time Tax ID Verify/Lookup

Instantly verify or lookup VAT, GST, SST, QST, and other Tax ID numbers across 135+ countries. TaxDo offers the most extensive global coverage in the market — connecting directly to official tax authority sources in more countries than any other provider. Get live, reliable results in seconds, with unmatched compliance assurance.

Trusted by leading companies worldwide
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Our Values

Why Choose Us?

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Highest Global Coverage

TaxDo offers the most extensive Tax ID verification coverage on the market – direct access to official tax authority sources in 135+ countries.

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Real-Time Tax ID Lookup

Instantly verify/lookup VAT, GST, and other Tax ID numbers with live results from trusted government sources — not guesswork or format checks.

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Ongoing Compliance Monitoring

TaxDo automatically re-verifies Tax IDs at regular intervals, helping your business stay fully compliant with local and international tax laws.

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Seamless VAT Exemption Compliance

Help B2B clients qualify for VAT exemption in cross-border transactions with verified data that supports audits and tax filings.

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Offline Verification When Needed

For regions without digital access, TaxDo performs offline validation by contacting tax authorities directly, ensuring complete coverage.

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Easy & Secure Integrations

TaxDo offers powerful APIs for fast integration with e-commerce platforms, ERP, CRM, and billing systems—so you’re up and running in no time.

Our Customers Segments

Who Can Use Our Services?

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Enterprises

Verify global customer and partner Tax IDs to ensure full cross-border compliance and reduce liability.

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Banks & Financial Institutions

Strengthen KYC processes and prevent fraud with real-time Tax ID lookup and verification.

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Government & Public Sector

Improve tax enforcement and taxpayer authentication with official-source-powered validation tools.

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Tax Authorities & Agencies

Improve compliance oversight and multi-country validation using TaxDo’s robust verification engine.

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ERP, Accounting & Billing Software Providers

Enable clients to automatically validate Tax IDs within your platforms, adding exceptional compliance value.

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e-Commerce & Marketplaces

Enable verified B2B VAT exemption at checkout, reduce fraud, and improve compliance globally.

Avoid Risk, Complete Compliance

The True Real-Time TIN Verification

While most providers rely on basic format checks or limited databases like VIES, TaxDo leads the way — delivering real-time, audit-grade Tax ID verification directly from official government sources in 135+ countries — the broadest coverage available anywhere.

The True Real-Time TIN Verification

FAQ

What types of Tax IDs can we validate?

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The platform supports validation for VAT, GST, SST, and other tax IDs in 135+ countries.

Is the verification process automated?

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Can we integrate this service with our existing systems?

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What if a Tax ID fails validation?

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Validate Tax IDs with Confidence

Ensure your partners' tax IDs are compliant to reduce risk and enhance trust. Reach out to us now for comprehensive tax ID validation services and safeguard your business operations globally.

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From +500 Customer Reviews

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Your Tax hub for US Sales Tax and global VAT/GST compliance in 150+ countries. Simplify taxes, amplify your business.

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US Sales Tax Services
Tax Exposure AnalysisNexus AssessmentSales Tax PlanningSales Tax RegistrationAll-in-One Sales Tax PortalTax Certificate ManagementSales Tax FilingExpert Support
Global VAT Services
Tax Exposure TrackingGlobal Tax ID Verify/LookupGlobal VAT AutomationE-Invoicing ComplianceGlobal Tax RegistrationFiscal RepresentativeGlobal Tax FilingGlobal Audit Support
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