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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 · 21 matching · 241 jurisdictions

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Source-cited draft
— researched and cited, not yet reviewed by a licensed practitioner.
Accountant-reviewed
— 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.

Spain · 21 Guides

Licensed in this market? Review these Guides as an Open Accountants Partner and get credited on the ones you review.

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NameDomainJurisdictionStatus
ES Social Contributions

Whenever asked about Spanish self-employed social contributions (cuota…

PayrollSpainSource-cited draft

Showing 1–21 of 21 Guides

Know this subject? Review a Guide.

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.

Spain

22 Guides

Awaiting review.

Jurisdiction page

Review a Guide in this jurisdiction and get credited as an Open Accountants Partner on the ones you review.

Guides awaiting reviewBecome a Partner
Spain Crypto Tax

Whenever asked about Spain cryptocurrency or digital asset taxation. T…

Crypto TaxSpainSource-cited draft
ES Estimated Tax

Whenever asked about Spanish estimated income tax payments (pagos frac…

Income TaxSpainSource-cited draft
ES Income Tax

Whenever asked about Spanish personal income tax (IRPF -- Impuesto sob…

Income TaxSpainSource-cited draft
ES Capital Gains

Spain capital gains tax: savings income rates (19%–28%), holding perio…

Income TaxSpainSource-cited draft
ES Freelance Intake

When a user asks for help preparing their Spain tax returns AND mentio…

Income TaxSpainSource-cited draft
Spain Einvoice

Whenever asked about Spanish e-invoicing, factura electrónica Spain, F…

E-InvoicingSpainSource-cited draft
ES Irpf Deductions

Whenever asked about Spanish regional tax deductions (deducciones auto…

Income TaxSpainSource-cited draft
Spain Payroll

Whenever asked about Spanish payroll processing for employees. Trigger…

PayrollSpainSource-cited draft
ES Corporate Tax

Whenever asked about Spanish corporate income tax (Impuesto sobre Soci…

Income TaxSpainSource-cited draft
Spain Bookkeeping

Whenever asked about bookkeeping, chart of accounts, Plan General de C…

BookkeepingSpainSource-cited draft
ES Modelo 111

Whenever asked about Spanish Modelo 111 (quarterly withholdings on pro…

Income TaxSpainSource-cited draft
ES VAT Return

Redirect — consolidated into spain-vat-return.md in this directory.

VAT / GSTSpainSource-cited draft
Spain Transfer Pricing

Whenever asked about Spain transfer pricing rules, documentation requi…

Transfer PricingSpainSource-cited draft
ES Rental Income

Whenever asked about Spanish rental income taxation. Trigger on phrase…

Income TaxSpainSource-cited draft
Spain Tax Optimization

Whenever asked about reducing tax in Spain, tax planning, saving tax, …

Tax OptimizationSpainSource-cited draft
Spain Financial Statements

When preparing, reviewing, or advising on annual financial statements …

Financial StatementsSpainSource-cited draft
Spain Formation

Whenever asked about forming, incorporating, or registering a company …

Company FormationSpainSource-cited draft
ES Autonomous Worker

Whenever asked about Spanish self-employed (autónomo) tax and social s…

Income TaxSpainSource-cited draft
ES Beckham

Spain Beckham Law (Régimen Especial para Trabajadores Desplazados): 24…

—SpainSource-cited draft
ES Return Assembly

Final orchestrator skill that assembles the complete Spain filing pack…

Income TaxSpainSource-cited draft