Step-by-step help for Kintsugi sales tax software — connect integrations, track nexus, register, and file returns. Search guides, FAQs, and troubleshooting.

Kintsugi Help Center | Sales Tax Software Support & Guides

Your First Steps to Stress-Free Tax Filing

Getting Started

State Registration & Tax Filing to Ensure Business Compliance

Registrations & Filings

Your guide to integrating third-party services with step-by-step instructions 

Integrations

Manage your Kintsugi subscription, billing details, payment methods, invoices, and learn about pricing plans, refunds, and account changes.

Subscription & Billing

Frequently Asked Questions

Explore our collection of helpful guides, contact information, and tools to assist you with tax-related questions and processes.

Resources

Troubleshooting

Collection of Kintsugi's product & marketing contents

Blogs

Discover how Kintsugi supports customers in United Kingdom

Kintsugi Supports United Kingdom

Learn how Kintsugi supports UK VAT at the national level, including how the Isle of Man and Channel Islands are treated and why region classification matters.

Overview of UK VAT Support in Kintsugi

UK VAT registrations explained. Learn when registration is required, exemptions for non-UK businesses, the Standard, NETP, and Group schemes, and filing.

UK VAT Registrations Explained

UK VAT registration thresholds explained. Learn the 90,000 pound turnover threshold, physical presence rules, non-UK obligations, and how to fix collected VAT.

UK VAT Registration Thresholds Explained

UK VAT taxability and rates explained. Learn how Kintsugi uses address data, the 20% standard, 5% reduced, and zero rates, digital services, and VAT ID format.

Guide to UK Taxability and VAT Rates

The UK runs a single national VAT jurisdiction with no regional layers. Learn what that means for registration, rate determination, and streamlined filing.

Explaining UK Jurisdictions

See the documents required to register your business in the United Kingdom, including a government photo ID, two proofs of address, and business documentation.