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.
1796 Guides · 244 jurisdictions
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1796 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.
| Estonia Company Formation & Entity Choice |
| Moving to Malta: residence routes, the remittance basis, and what Malta actually taxes |
| VT Income Tax |
| Moving from the UK to Italy: the flat-tax corridor |
| Tax Residency Planning |
| Norway to Switzerland: the wealth-tax corridor, the 3-year tail, and the new exit tax |
| Nyc Unincorporated Business Tax |
| BE VAT Return |
| France Bookkeeping |
| Guatemala Corporate Income Tax |
| IN Pf Esi Employer |
| Bolivia IVA |
| Cayman Islands Tax Overview |
| NL Deductions |
| Nepal VAT |
| Guatemala Social Contributions (IGSS) & Payroll Income Tax (ISR) |
| Italy Einvoice |
| Nevada Sales Tax |
| QC QST Return |
| RD Tax Credits Matrix |
| Belarus Income Tax -- Individuals & Self-Employed |
| US QBI Deduction |
| China to Singapore: domicile, the CRS reckoning, and a clean landing |
| US Federal - Cost Segregation |
| El Salvador Statutory Payroll Contributions (ISSS / AFP / INSAFORP) and Payroll Income Tax |
| Peru Payroll |
| PL Zus Contributions |
| AU Div7a |
| CA Formation |
| AU Payg Instalments |
| Uruguay Income Tax (IRPF) -- Resident Individual |
| Serbia Personal Income Tax -- Self-Employed & Individuals |
| DE Rental Income |
| Paraguay IPS Social Security Contributions (Aportes) |
| SA Zakat |
| US R And D Section 174 And 41 |
| Belgium Einvoice |
| CZ VAT Return |
| Serbia VAT |
| EG Freelance Intake |
| India Financial Statements |
| NO VAT Return |
| Togo Corporate Income Tax |
| Cayman Tax |
| Indonesia VAT |
| Central African Republic Payroll & Social Contributions |
| AB Individual Return |
| AU Sole Trader Schedule |
| UK Income Tax Sa100 |
United Kingdom
25 Guides · Reviewed by: James Power