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TaxFactory Business Blog

Tips and guides for your journey

36 published guides

Business owner reviewing an official tax notification beside organised accounting documents
15 min read

What to Do When You Receive an AEAT Letter

A practical guide for Spanish freelancers and businesses who receive an AEAT notification or request and need to respond carefully.

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Small business desk with an employment contract, onboarding checklist, ID card and laptop
7 min read

Hiring your first employee in Spain

A practical workflow for freelancers and small businesses hiring their first employee in Spain, based on official guidance.

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Laptop with invoicing software, digital records, verification code and VERI*FACTU compliance cues
8 min read

SIF and VERI*FACTU in Spain

A practical guide to SIF and VERI*FACTU for freelancers and small businesses preparing compliant invoicing systems in Spain.

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Editorial workspace with a quarterly calendar, calculator, invoices and tax documents for VAT and IRPF filing
7 min read

Quarterly VAT and IRPF checklist

A pre-filing checklist for Spain quarterly VAT Modelo 303 and IRPF Modelo 130, with AEAT 2026 deadlines and review steps.

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