Cbox Tax
Cbox Tax: A detailed open-source tax core for Laravel teams building their own tax workflows. Ranked #24 of 28 in Tax Engine Software by our editors (7.0/10); pricing: Open source; best for developers wanting an open-source tax core.
At a glance
- Editor score7.0 / 10
- PricingOpen source
- Best forDevelopers wanting an open-source tax core
- Paid fromFree
- Facts checked20 Sep 2026
Where it wins
- Detailed place-of-supply, reverse-charge, and exemption logic
- Supports VAT, GST, sales tax, and authority-level breakdowns
- Pluggable rate sources with exact-money tax calculations
Where it doesn't
- Requires a self-hosted Laravel and PHP development environment
- Rate sources need to be connected and maintained separately
- Certificate storage and verification may require application logic
Our verdict on Cbox Tax
Cbox Tax is a self-hostable Laravel package for calculating consumption taxes. It is designed for PHP and Laravel developers who need tax calculation logic inside their own application rather than relying on a third-party tax-calculation SaaS. The package covers place-of-supply rules, reverse-charge handling, VAT, GST, sales-tax assessment, inclusive and exclusive pricing, exemptions, jurisdiction resolution, and tax assessments. Its MIT-licensed open-source model fits teams that want control over deployment and implementation.
The standout feature is the breadth of tax logic in the core. Cbox Tax supports multi-entity seller registrations, buyer exemption assessment, dated tax points, reporting-period calculations, and tax breakdowns by authority. It also performs exact-money calculations with rounded tax results, which suits systems that need consistent invoice and reporting outputs. Rate data is supplied through pluggable sources, including EU TEDB, US tax datasets, and commercial tax-rate adapters. This makes the engine adaptable across multiple tax types while keeping rate sourcing separate from calculation logic.
The main trade-off is ownership of the surrounding implementation. A team adopting Cbox Tax must run it in a self-hosted Laravel environment and connect the appropriate rate sources. Certificate storage or verification may also require separate application logic. That model is a good fit for developers who want an open-source tax core and control over integrations, jurisdiction handling, and deployment. Teams seeking a managed tax service with vendor-operated infrastructure should choose a hosted alternative instead.
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Cbox Tax pricing
Cbox Tax fact sheet
| Free plan | Not verified |
|---|---|
| Paid from | Free |
| Tax jurisdictions | Not verified |
| Transaction limit | Not verified |
| Real-time calculation | Not verified |
| Tax types | Multiple |
| API access | Not verified |
| Commerce connectors | Not verified |
| Exemption certificates | Yes |
| Deployment | Self-hosted |
| Support | Docs |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 4 integrations: cboxdk/laravel-geo, EU TEDB, us-tax-data, Commercial tax-rate adapters |
| Pricing | Open source |
| Website | cbox.dk |
| Facts checked | 20 Sep 2026 |
Cbox Tax integrations
Cbox Tax lists 4 integrations on its own site.
- cboxdk/laravel-geo
- EU TEDB
- us-tax-data
- Commercial tax-rate adapters
Alternatives to Cbox Tax
- Avalara AvaTaxA broad tax engine for high-volume, multi-tax compliance workflows.9.4
- ONESOURCE DeterminationA high-capacity global tax engine with broad coverage and contact-sales pricing.9.3
- Vertex Cloud Indirect TaxA broad enterprise tax engine for complex, multi-jurisdiction indirect tax operations.9.1
See all Cbox Tax alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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