GoodVat is an AI-native global tax compliance platform built for online businesses, SaaS companies, and marketplaces. It connects directly across Stripe, Shopify, WooCommerce, PayPal, and Amazon to monitor economic nexus and registration thresholds across 14,000+ jurisdictions in 140+ countries. GoodVat calculates rooftop-accurate sales tax, VAT, and GST at checkout, validates B2B tax IDs, issues compliant localised invoices, and generates audit-ready returns for a flat monthly price.