The open Tax Guides
Browse the open Tax Guides that power OpenAccountants workflows. Each Guide is designed to be cited, inspectable, and usable by AI systems (as a machine-readable Skill). Some are source-cited drafts. Some have named accountant review. All are open Tax Guides.
The Guides are open. The trust layer shows who reviewed them.
1810 Guides · 1595 matching · 244 jurisdictions
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1810 Guides across 244 jurisdictions. You do not need to cover an entire country. Publish a Guide within your expertise, under your name, and colleagues attest to the ones they stand behind.
| Japan Payroll |
| NC Income Tax |
| RI Sales Tax |
| Trinidad and Tobago Payroll & Social Contributions |
| Bulgaria Social Security & Health Insurance Contributions |
| OR Income Tax |
| Tunisia Company Formation & Entity Choice |
| Italy VAT Return |
| Belize VAT / GST |
| US GILTI FDII BEAT |
| Tunisia VAT |
| CH Ahv Iv |
| Vietnam Payroll & Social Contributions |
| TN Sales Tax |
| Vietnam Pit |
| CH VAT Return |
| US Foreign Earned Income 2555 |
| CA Return Assembly |
| PT Foreign Source Treaties |
| FR Business Accounting |
| Mongolia VAT |
| Armenia Social Contributions & Payroll Withholding |
| Ethiopia Corporate Income Tax |
| UT Sales Tax |
| Eswatini Tax Overview |
| Colombia Corporate Income Tax |
| SD Sales Tax |
| ID Sales Tax |
| TX Franchise Tax |
| Switzerland Company Formation & Entity Choice |
| Belgium Crypto Tax |
| Iceland Social Security Contributions and Mandatory Pension |
| Ifrs16 Leases |
| Latvia Company Formation & Entity Choice |
| US Major Partners |
| NL Zzp Deductions |
| Asia Pacific Corridors |
| Americas Corridors |
| US Ca Return Assembly |
| UK Major Partners |
| EU Intra Rates |
| Papua New Guinea Company Formation & Entity Choice |
| Côte d'Ivoire (Ivory Coast) Social Contributions (CNPS) -- Employer & Employee |
| Croatia Social Security Contributions (Doprinosi) -- Employment |
| Azerbaijan Corporate Income Tax |
| Colombia Company Formation & Entity Choice |
| Serbia Tax Optimization |
| Israel VAT |
| Azerbaijan Company Formation & Entity Choice |
United Kingdom
27 Guides · Reviewed by: James Power