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Tax guides for autónomos,
in plain language.

Practical guides on taxes, expenses and invoicing for autónomos.

Second installment of the 2025 Spanish tax return: what is due on November 5 and what to check

If your 2025 Spanish income tax return shows tax due and you chose the standard split payment, the second installment is due on November 5, 2026.

2 November 20264 min read

Register Your Business Alias to Avoid SMS Blockage

Registering your business alias is crucial to ensure effective client communication and avoid message blockages.

11 September 20266 min read

Freelancers: Navigating Regulation, Taxes, and Bank Deposits

Understanding regulatory delays and tax impacts is key for freelancers. Additionally, optimizing bank deposits enhances cash flow management.

24 July 20267 min read

How to stop losing invoices in your inbox

Invoices arrive by email, get mixed in with newsletters, and vanish. Here is how to build a capture workflow that does not depend on your memory.

21 July 20265 min read

Deductible expenses for Spanish freelancers: what you can (and can’t) write off

How to tell a deductible expense from one the tax agency would reject, the difference between deducting for income tax and VAT, and the mistakes that cost the most.

18 July 20268 min read

Modelo 130: a practical guide for Spanish freelancers

What Modelo 130 is, who has to file it, when each quarterly deadline falls, and how the 20% advance payment actually works.

16 July 20267 min read

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Tax guides for autónomos,in plain language.