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 · 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.
| HI Income Tax |
| Sri Lanka Corporate Tax |
| Eritrea Corporate Income Tax |
| MT Non Dom |
| Bermuda VAT / GST |
| Sao Tome and Principe Payroll & Social Contributions |
| Nicaragua IVA |
| Cambodia VAT |
| Uganda Corporate Income Tax |
| Uganda Company Formation & Entity Choice |
| Angola VAT / GST |
| Zambia Corporate Income Tax |
| Niger Company Formation & Entity Choice |
| Liberia Company Formation & Entity Choice |
| CZ Social Health |
| NM Income Tax |
| Montenegro Tax Optimization |
| SA Freelance Intake |
| Italy Payroll |
| Ecuador IVA |
| NC Return Assembly |
| CA Fed T1135 |
| NH Interest Dividends Note |
| Tanzania Withholding Tax |
| Zambia Personal Income Tax |
| UK Payments On Account |
| Russia VAT |
| Singapore Tax Optimization |
| Armenia Personal Income Tax -- Self-Employed & Individuals |
| PL VAT Return |
| PL Income Tax |
| Sao Tome and Principe Personal Income Tax |
| PT Nhr Ifici |
| Moldova (Republic of Moldova) Income Tax -- Self-Employed and Individuals |
| Zambia Company Formation & Entity Choice |
| ID Payroll Pph21 |
| Liberia Corporate Income Tax |
| US Tx Freelance Intake |
| JP Freelance Intake |
| US Tx Return Assembly |
| Namibia Company Formation & Entity Choice |
| Hong Kong Tax |
| Chile Corporate Income Tax |
| Moldova VAT |
| Brunei Payroll & Social Contributions |
| MS Income Tax |
| Oecd Model Treaty Defaults |
| Germany Bookkeeping |
| TW Income Tax |
United Kingdom
27 Guides · Reviewed by: James Power