A custom-built WooCommerce plugin that calculates accurate sales tax, VAT and GST by jurisdiction at checkout and auto-generates compliant PDF invoices and credit notes. Built, installed and supported by ECOSIRE on your WordPress site. One-time license from $149.00 USD for WooCommerce (build-to-order) — includes 12 months of updates and support.

A custom-built WooCommerce plugin that calculates accurate sales tax, VAT and GST by jurisdiction at checkout and auto-generates compliant PDF invoices and credit notes. Built, installed and supported by ECOSIRE on your WordPress site.
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Automatic Sales Tax & Invoicing for WooCommerce (Global) is a build-to-order plugin that ECOSIRE writes, installs and supports directly on your WordPress site. It is not an instant WordPress.org or WooCommerce.com download — after you order, our engineers tailor the plugin to your tax footprint, gateways and theme, then deploy it for you.
Real-time tax-rate lookup by destination jurisdiction, hooked into WooCommerce's tax calculation pipeline (woocommerce_calculated_total / woocommerce_cart_totals)
US sales-tax nexus and economic-threshold handling, with per-state registration flags so you only collect where you are obligated
Destination-based VAT/GST calculation for EU, UK, Australia and other regions, with VAT-number validation hooks
Automatic compliant PDF invoices generated on order completion and attached to WooCommerce transactional emails
Automatic credit notes issued on WooCommerce refund events (woocommerce_order_refunded)
Tax-exempt customer handling via roles, B2B VAT-number exemption, and reverse-charge support
At its core, the plugin hooks into WooCommerce's tax pipeline (woocommerce_product_get_tax_class, woocommerce_calculated_total, woocommerce_cart_totals) to replace static tax tables with real-time, destination-based rate lookups by jurisdiction. It handles US sales-tax nexus and economic thresholds (per-state registration flags so you only charge where you're obligated), and EU/UK/AU VAT and GST on a destination basis with VAT-number validation hooks.
On the document side, a custom post type stores every invoice and credit note. The plugin generates compliant PDF invoices automatically on woocommerce_order_status_completed, attaches them to WooCommerce emails, and exposes them in the My Account area and the order admin. Credit notes are issued on refund events. A WP-Cron job batches nightly tax-summary exports for your accountant.
It is built HPOS-aware (works with WooCommerce's high-performance custom order tables, with a legacy-posts fallback), respects WPML/multisite where you run multiple storefronts, and exposes a small WooCommerce REST API surface plus WordPress actions and filters so your team can extend rate logic or invoice templates without forking core.
We configure your wp-admin settings screen, wire in your tax-data provider, validate live orders, and hand over documentation. You own the code. Tax rates change and law changes — we are honest that no plugin removes the need for a registered accountant in each jurisdiction; this automates the calculation and paperwork, not your filing obligations.
Sells into the US, EU and UK and is tired of WooCommerce's static tax tables drifting out of date. Wants accurate destination-based tax charged only where there's a nexus or registration, without babysitting rate updates.
Needs every order to produce a compliant, sequentially numbered PDF invoice and proper credit notes on refunds, plus a clean nightly export to hand to the bookkeeper — instead of manually reconciling WooCommerce orders.
Handles VAT-exempt and reverse-charge business customers and needs role-based and VAT-number-based tax exemption applied automatically at checkout, with the exemption reflected correctly on the invoice.
Achetez la licence sur ecosire.com et téléchargez le module ZIP Automatic Sales Tax & Invoicing for WooCommerce (Global) depuis le tableau de bord de votre compte.
Extrayez le ZIP dans votre dossier de modules complémentaires personnalisés Odoo sur le serveur (ou téléchargez-le via Applications > Installer à partir du fichier sur Odoo.sh / runbot).
Activez le mode développeur, ouvrez les applications, cliquez sur Mettre à jour la liste des applications, recherchez Automatic Sales Tax & Invoicing for WooCommerce (Global) et appuyez sur Installer.
Ouvrez le nouveau menu, collez votre clé de licence ECOSIRE, connectez toutes les informations d'identification externes (Shopify, Amazon, Stripe, etc.) et enregistrez.
Exécutez le test de connexion intégré, synchronisez vos 10 premiers enregistrements et planifiez le cron récurrent. Contactez le support si quelque chose échoue.
| Critère | ÉCOSIRE | Construction personnalisée | Concurrent | Odoo natif |
|---|---|---|---|---|
| Accurate real-time tax rates by destination jurisdiction | ||||
| US nexus and economic-threshold awareness (collect only where obligated) | ||||
| Automatic compliant PDF invoices and credit notes | ||||
| Tax-exempt / B2B VAT-number / reverse-charge handling | ||||
| Built, installed and supported on your site by the vendor | ||||
| Tailored to your exact jurisdictions, theme and gateways | ||||
| HPOS / custom-order-table and WPML/multisite compatibility | ||||
| Instant self-serve marketplace download | ||||
| You own and can extend the source code via hooks/filters |
This is build-to-order. After we scope your tax footprint (which countries and US states, your gateways, theme and WooCommerce version), a typical build, install and live validation runs about 2 to 4 weeks. Simpler single-region setups land sooner; complex multi-jurisdiction or WPML/multisite stores take longer. We confirm a firm timeline before any work starts, deploy first to staging, then to production.
The one-time build price includes a post-launch support window (typically 30 days) for bug fixes and adjustments. Because tax law and WooCommerce/WordPress core both change, we offer an optional ongoing maintenance plan for core-version compatibility (including HPOS changes), rate-source updates and new jurisdictions. You own the plugin code either way, so you are never locked in.
No, and we won't pretend otherwise. The plugin automates rate calculation, exemption handling and invoice/credit-note generation. It does not register you for sales tax or VAT, file returns, or replace professional advice. You still need to be registered in each jurisdiction where you have an obligation; we automate the calculation and paperwork around that.
Yes. We build against your live WooCommerce version and verify HPOS (high-performance custom order tables) compatibility with a legacy post-table fallback. The plugin hooks into the standard WooCommerce tax pipeline and email system, so it is gateway-agnostic — Stripe, PayPal and others are unaffected because tax and invoicing sit at the order layer, not the payment layer.
We integrate a real-time tax-rate data source you choose during scoping, queried by destination jurisdiction at checkout, with sensible caching to keep checkout fast. When a rate changes at the source, your store picks it up automatically. We also expose WordPress filters so your developers can override or supplement specific rates without editing core plugin code.
Yes. Exemptions can be driven by WooCommerce user roles, by a validated business VAT number, or by destination rules for reverse charge. When an order qualifies, tax is removed at checkout and the exemption is reflected on the generated PDF invoice, including the customer's VAT number where required.
A custom-built WooCommerce plugin that calculates accurate sales tax, VAT and GST by jurisdiction at checkout and auto-generates compliant PDF invoices and credit notes. Built, installed and supported by ECOSIRE on your WordPress site.