Fiscalm

Fiscalm blog: Spanish taxes and invoices, made clear

Clear answers to the questions that cost the most when you get them wrong: deadlines, VAT, invoices and Hacienda. Every article cites official sources.

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18 October 2026 · 8 min read

When an invoice lets you deduct VAT in Spain

Which invoices let you deduct VAT in Spain, why a receipt is not enough, what to do with a wrong NIF or foreign invoice, and your 4-year deadline.

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18 October 2026 · 8 min read

What documents your gestoría needs every quarter

A quarterly checklist for autónomos and SLs in Spain with invoices, bank statements, payroll, rent and EU sales. Close the quarter calmly, no surprises.

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18 October 2026 · 9 min read

VeriFactu in Spain, deadlines, who must comply and fines

VeriFactu explained for expats and founders in Spain. The legal deadlines, the 2028 delay Hacienda announced, Excel invoices and the 50,000 euro fine.

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18 October 2026 · 9 min read

Spain tax deadlines and late filing penalties explained

Spain's quarterly tax calendar for autónomos and SLs, what filing modelo 303 late really costs, and what to do if you cannot pay on time. With examples.

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18 October 2026 · 9 min read

Invoicing EU clients from Spain: VAT, ROI, VIES and 349

When to invoice an EU business without Spanish VAT, how to join the ROI so your VAT number shows in VIES, and what goes in modelo 303 and 349.

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18 October 2026 · 9 min read

DEHú notifications in Spain and Hacienda's 10-day rule

Who must receive Spanish tax notifications electronically, where they arrive, why they count as delivered after 10 days and how to avoid surprise fines.

Don't let next quarter catch you off guard

Fiscalm collects your invoices and bank statements, checks them against AEAT and VIES and tells you what to pay, when and how much. Free private beta from November 2026: 20 founder seats.

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