For freelancers, the self-employed, immigrants and small businesses in Spain. Guided journeys, a calendar with alerts and your documents ready for the accountant — so you never miss a deadline again.
I don't understand Modelo 303 or when to file it
I don't know what to send my accountant each month
I mix personal and business expenses
I'm afraid of fines for missing deadlines
I'm a foreigner and the tax system confuses me
I pay an accountant but don't understand what I sign
Self-employed, company, Brazilian or expat — we personalise your path in 2 minutes.
Each journey is a clear, jargon-free path: VAT, income tax, documents and accountant, step by step.
Never miss a deadline — or pay a fine — again. Alerts 30, 15, 7 and 1 day before.
Upload your invoices and AI reads and categorises everything for you, automatically (Pro plan).
Your monthly package ready in one click — PDF, CSV or ZIP — to hand to your accountant, stress-free.
Register step by step and start invoicing legally.
→EssentialWhat VAT is, when it's filed and how to fill in the 303.
→EssentialCalculate and file your quarterly income tax without errors.
→ProHave everything ready and tidy to send to your accountant.
→EssentialAdapt to e-invoicing before it becomes mandatory.
→Essential PTThe whole Spanish tax system explained in Portuguese.
→“I finally understood Modelo 303. In 20 minutes I had it ready for my accountant.”
“As a Brazilian in Spain, the tax system was a mystery. ContaFlow explained everything with Spanish context.”
“The alerts calendar saved me. I no longer miss the quarterly VAT deadlines.”
Over 500 freelancers and self-employed workers already use ContaFlow
We're not an ERP. We're not an accountant. We're the bridge between the two.
| RecommendedContaFlow | ERP (Holded/Sage) | Tax blog | Accountant | |
|---|---|---|---|---|
| Price | 197/year | 300-1,200/year | Free | 100-300/month |
| Native Portuguese | — | Rare | Rare | |
| Guided journeys | — | — | — | |
| Calendar with alerts | — | — | ||
| Document organisation | Yes (Pro) | — | — | |
| Beginner-focused | Maximum | Complex | Partial | — |
| Multi-language PT/ES/EN | — | Rare | — | |
| Prepares you for the accountant | Core value | — | — | — |
To understand your tax obligations.
VAT included (21%)
To get organised and prepare your gestoría.
VAT included (21%)
We help you start with everything in order.
VAT included (21%)
For gestorías and companies.
from €199/mo
Launch price locked in for the first 50 subscribers.
Part of an ecosystem for Brazilians and immigrants in Spain
The #1 immigration platform for Brazilians in Spain
Help with NIE, TIE, town-hall registration, bank account, school and housing.
ContaFlow and ExpatFlow are part of the same digital ecosystem helping Brazilians and immigrants at every step of life in Spain.
Reach a highly targeted audience looking for trusted solutions.
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The two essential registrations — tax office and Social Security — and the right order to start invoicing.
5 min readGestoríaThe monthly checklist so your gestoría has everything on time, with no back-and-forth.
5 min readDocumentsA simple method so you never lose an invoice and send everything on time.
5 min read