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OpenAccountants publishes open, source-cited tax knowledge for use by people, software and AI. Automated outputs are drafts and do not create a professional engagement. Obtain qualified advice before filing, paying or taking a material tax position.

© 2026 OpenAccountants. Open tax rules, reviewed by accountants.

The open Tax Guides

Open Tax Guides for the AI you already use

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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.

1752 Guides · 1548 matching · 241 jurisdictions

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— researched and cited, not yet reviewed by a licensed practitioner.
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— reviewed as general reference material by a named licensed practitioner.
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— flagged for review.
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— do not use for current work.
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Hong Kong Corporate Income Tax

Source-cited draft: corporate income tax for Hong Kong (tax year 2025)…

Income TaxHong KongSource-cited draft

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1752 Guides across 241 jurisdictions. You do not need to review an entire country — choose a Guide within your expertise and get credited as an Open Accountants Partner on the ones you review.

GLOBAL

61 Guides · Awaiting review

US Federal

58 Guides · Awaiting review

Spain

22 Guides · Awaiting review

Australia

20 Guides · Awaiting review

Canada

35 Guides · Partner: Edgar Lautsyus

SK Individual Return

Whenever asked about Saskatchewan provincial individual income tax. Tr…

Income TaxCanadaSource-cited draft
Isle of Man Tax Overview

Source-cited draft: tax overview for Isle of Man (tax year 2025) — rat…

Income TaxIMSource-cited draft
Cambodia Payroll & Social Contributions

Source-cited draft: payroll & social contributions for Cambodia (tax y…

PayrollCambodiaSource-cited draft
Isle of Man Corporate Income Tax

Source-cited draft: corporate income tax for Isle of Man (tax year 202…

Income TaxIMSource-cited draft
EU VAT Base

Load this skill as a shared reference whenever working on VAT for any …

VAT / GSTEU (general)Source-cited draft
Jamaica Company Formation & Entity Choice

Source-cited draft: company formation & entity choice for Jamaica (tax…

Company FormationJamaicaSource-cited draft
Cayman Islands Corporate Income Tax

Source-cited draft: corporate income tax for Cayman Islands (tax year …

Income TaxCayman IslandsSource-cited draft
Croatia Company Formation & Entity Choice

Source-cited draft: company formation & entity choice for Croatia (tax…

Company FormationCroatiaSource-cited draft
Myanmar Tax Overview

Source-cited draft: tax overview for Myanmar (tax year 2025) — rates, …

Income TaxMyanmarSource-cited draft
Burkina Faso Company Formation & Entity Choice

Source-cited draft: company formation & entity choice for Burkina Faso…

Company FormationBurkina FasoSource-cited draft
Hong Kong Company Formation & Entity Choice

Source-cited draft: company formation & entity choice for Hong Kong (t…

Company FormationHong KongSource-cited draft
Honduras Corporate Income Tax

Source-cited draft: corporate income tax for Honduras (tax year 2025) …

Income TaxHondurasSource-cited draft
Nicaragua Tax Overview

Source-cited draft: tax overview for Nicaragua (tax year 2025) — rates…

Income TaxNicaraguaSource-cited draft
Montenegro Company Formation & Entity Choice

Source-cited draft: company formation & entity choice for Montenegro (…

Company FormationMontenegroSource-cited draft
Honduras Company Formation & Entity Choice

Source-cited draft: company formation & entity choice for Honduras (ta…

Company FormationHondurasSource-cited draft
Lebanon Personal Income Tax

Source-cited draft: personal income tax for Lebanon (tax year 2025) — …

Income TaxLebanonSource-cited draft
MI Income Tax

Whenever asked about Michigan individual income tax for self-employed …

Income TaxMichiganSource-cited draft
Kazakhstan Tax Overview

Source-cited draft: tax overview for Kazakhstan (tax year 2025) — rate…

Income TaxKazakhstanSource-cited draft
Czech Republic Tax Overview

Source-cited draft: tax overview for Czech Republic (tax year 2025) — …

Income TaxCzech RepublicSource-cited draft
Mauritius Tax Overview

Source-cited draft: tax overview for Mauritius (tax year 2025) — rates…

Income TaxMauritiusSource-cited draft
Maldives Tax Overview

Source-cited draft: tax overview for Maldives (tax year 2025) — rates,…

Income TaxMaldivesSource-cited draft
Switzerland Company Formation & Entity Choice

Source-cited draft: company formation & entity choice for Switzerland …

Company FormationSwitzerlandSource-cited draft
Armenia Tax Optimization

Whenever asked about reducing tax in Armenia, tax planning, or legal s…

Tax OptimizationArmeniaSource-cited draft
Bahrain Company Formation & Entity Choice

Source-cited draft: company formation & entity choice for Bahrain (tax…

Company FormationBahrainSource-cited draft
Bahamas Payroll & Social Contributions

Source-cited draft: payroll & social contributions for Bahamas (tax ye…

PayrollBahamasSource-cited draft
NC Bailey Settlement Retirement

Whenever asked about North Carolina state taxation of retirement incom…

—North CarolinaSource-cited draft
Finland VAT Return

Whenever asked to prepare, review, or classify transactions for a Finl…

VAT / GSTFinlandSource-cited draft
Maldives Payroll & Social Contributions

Source-cited draft: payroll & social contributions for Maldives (tax y…

PayrollMaldivesSource-cited draft
FR Social Contributions

Whenever asked about French social contributions (cotisations sociales…

PayrollFranceSource-cited draft
Chile Company Formation & Entity Choice

Source-cited draft: company formation & entity choice for Chile (tax y…

Company FormationChileSource-cited draft
Mauritius Payroll & Social Contributions

Source-cited draft: payroll & social contributions for Mauritius (tax …

PayrollMauritiusSource-cited draft
Malaysia Company Formation & Entity Choice

Source-cited draft: company formation & entity choice for Malaysia (ta…

Company FormationMalaysiaSource-cited draft
Dominican Republic Itbis

Whenever asked to prepare, review, or classify transactions for a Domi…

VAT / GSTDominican RepublicSource-cited draft
Cambodia Personal Income Tax

Source-cited draft: personal income tax for Cambodia (tax year 2025) —…

Income TaxCambodiaSource-cited draft
Oman Tax Overview

Source-cited draft: tax overview for Oman (tax year 2025) — rates, thr…

Income TaxOmanSource-cited draft
Kuwait Company Formation & Entity Choice

Source-cited draft: company formation & entity choice for Kuwait (tax …

Company FormationKuwaitSource-cited draft
Jamaica Corporate Income Tax

Source-cited draft: corporate income tax for Jamaica (tax year 2025) —…

Income TaxJamaicaSource-cited draft
Jordan Personal Income Tax

Source-cited draft: personal income tax for Jordan (tax year 2025) — r…

Income TaxJordanSource-cited draft
Kuwait Tax Overview

Source-cited draft: tax overview for Kuwait (tax year 2025) — rates, t…

Income TaxKuwaitSource-cited draft
Isle of Man Payroll & Social Contributions

Source-cited draft: payroll & social contributions for Isle of Man (ta…

PayrollIMSource-cited draft
Nicaragua Company Formation & Entity Choice

Source-cited draft: company formation & entity choice for Nicaragua (t…

Company FormationNicaraguaSource-cited draft
Madagascar Corporate Income Tax

Source-cited draft: corporate income tax for Madagascar (tax year 2025…

Income TaxMadagascarSource-cited draft
Kenya Tax Overview

Source-cited draft: tax overview for Kenya (tax year 2025) — rates, th…

Income TaxKenyaSource-cited draft
Kosovo Social Contributions & Wage Taxation

Whenever asked about Kosovo payroll social contributions and wage taxa…

PayrollKosovoSource-cited draft
Nicaragua Corporate Income Tax

Source-cited draft: corporate income tax for Nicaragua (tax year 2025)…

Income TaxNicaraguaSource-cited draft
Laos Tax Overview

Source-cited draft: tax overview for Laos (tax year 2025) — rates, thr…

Income TaxLaosSource-cited draft
Kazakhstan Personal Income Tax

Source-cited draft: personal income tax for Kazakhstan (tax year 2025)…

Income TaxKazakhstanSource-cited draft
FI Income Tax

Whenever asked about Finland income tax for self-employed individuals …

Income TaxFinlandSource-cited draft
El Salvador Tax Optimization

Whenever asked about reducing tax in El Salvador, tax planning, or leg…

Tax OptimizationEl SalvadorSource-cited draft

Dominican Republic

22 Guides · Partner: Miguel Lantigua

Guides awaiting reviewBecome a Partner