VERI*FACTU arrives in 2027. Affected businesses will need to adapt their invoicing software. What it means for you →
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Clear guides to VERI*FACTU, taxes and administration for self-employed professionals and small businesses.
AEAT census status certificate: how to get it
Which tax-register details it certifies, how to request it online and where to download the issued PDF with its CSV.
Zolven · 3 min read · 10 August 2026
How to get an FNMT digital certificate
How to apply for an individual certificate, prove your identity, download it and store a backup safely.
Zolven · 3 min read · 28 July 2026
How to download a filed Form 036 or 037
Where to find the copy filed with the Spanish Tax Agency, which PDF is valid and what to do if you have an old Form 037.
Zolven · 2 min read · 27 July 2026
Deeds and the Companies Registry: which document to download
What the deed proves, when an information note is enough and when you need a registry certificate.
Zolven · 2 min read · 27 July 2026
VERI*FACTU: what it is, who it affects and how to prepare
What the rules require from invoicing software, the two valid modes and the updated 2027 deadlines.
Zolven · 2 min read · 15 July 2026
Form 303: quarterly VAT explained plainly
Who must file it, how it is calculated, the deadlines and what to review before submitting it.
Zolven · 2 min read · 2 July 2026
Income-tax withholding on invoices: 15%, 7% and when to apply it
When a professional invoice must include withholding, which rate to use and how it affects Form 130.
Zolven · 2 min read · 18 June 2026
2026 tax calendar for self-employed people
The 2026 dates for VAT, instalment payments, withholding and the annual income-tax return, summarised in one place.
Zolven · 2 min read · 5 June 2026
Self-employed or limited company? When to switch
Liability, tax, costs and practical criteria for deciding without relying on a magic turnover figure.
Zolven · 2 min read · 22 May 2026
How to choose a gestoría in 2026: traditional, online or AI-native
What the service should cover, how the models differ and which questions to ask before signing up.
Zolven · 2 min read · 8 May 2026
The deadline is already on the calendar. Your new gestoría can be too.
Limited places in the pilot programme for self-employed people. Tell us about your business and we’ll let you know whether Zolven can already run its back office.
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