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.
| Brunei Tax Overview |
| Chad Tax Overview |
| IT Estimated Tax |
| NZ Income Tax Ir3 |
| Bermuda Corporate Income Tax |
| KE Nhif Nssf |
| Bhutan Payroll & Social Contributions |
| UA Formation |
| Bosnia VAT |
| JP Nonpermanent Resident |
| QC Individual Return |
| Australia Financial Statements |
| NE Income Tax |
| Brunei Company Formation & Entity Choice |
| NJ Income Tax |
| Slovenia Social Security Contributions (prispevki za socialno varnost) -- Payroll & Self-Employed |
| Burundi Tax Overview |
| Portugal Financial Statements |
| Canada GST HST |
| DR Congo Personal Income Tax |
| IN Tax Residency |
| Croatia Personal Income Tax -- Individuals & Self-Employed |
| Liechtenstein Personal Income Tax |
| Iraq Personal Income Tax |
| Belize Company Formation & Entity Choice |
| Samoa VAT / GST |
| IN Professional Tax |
| DE Crypto Tax |
| Singapore Formation |
| Liechtenstein Corporate Income Tax |
| Iran Payroll & Social Contributions |
| NL Tax Objection |
| Liechtenstein Payroll & Social Contributions |
| Cameroon Income Tax -- IRPP |
| Liechtenstein Tax Overview |
| CO Retail Delivery And Suts |
| Iraq Payroll & Social Contributions |
| Germany Tax Optimization |
| RO VAT Return |
| SG GST Return |
| Iran Corporate Income Tax |
| Turkmenistan Company Formation & Entity Choice |
| Vanuatu Tax Overview |
| PH Withholding |
| Poland Einvoice |
| IE Prsi Class S |
| NC Sales Tax |
| SC Income Tax |
| CZ Social Health |
United Kingdom
27 Guides · Reviewed by: James Power