Guides, tips, and insights for solo entrepreneurs in Portugal.
The abertura de atividade at AT is a single form that sets your IRC regime, VAT regime, CAE codes, and whether your accountant signs on your behalf. Here is what that actually means when you get to it.
Read more →Most Portugal DTAs follow the OECD Model Tax Convention skeleton. Once you know the key articles, you can read any treaty. And when there is no treaty, Portugal still provides a foreign tax credit. Here is how both work.
Read more →You searched 'CAE 1332 Portugal' and landed here. That search itself explains a real confusion: CAE and CIRS are two separate classification systems, and programmer-freelancers use CIRS, not CAE. Here's what CIRS 1332 means, how it governs your IRS coefficient and withholding, and what changes if your clients are outside Portugal.
Read more →The liability-led reasons for forming an Lda over staying a sole trader, why I went straight to regime geral, what the real overhead looks like, and the salary and benefits decisions I haven't made yet.
Read more →Even a one-person Portuguese company (Unipessoal Lda) has to record its decisions in a livro de atas. What that book is, which decisions go in it, why deciding to take no salary still costs Social Security, and how to keep it digitally.
Read more →The Portal das Finanças letter eventually reached me. The company's digital card, the one that was supposed to carry the Social Security number I needed, would not open. A foreign founder's account of an access maze, why a working Chave Móvel Digital still wasn't enough, and how the way out turned out to be a person at a counter, not a click.
Read more →I finally got full access to the Portal das Finanças for my company. Here is the practical first week: set your own senha, why a company still cannot enable 2FA, switching to electronic notifications, the Social Security exemption that stops you paying twice, and how to give your accountant access without handing over your password.
Read more →Under Portugal's simplified regime, you must document at least 15% of your gross income as expenses or AT adds the shortfall to your taxable income. Here's how the rule works, what counts, the e-Fatura mechanics, and a worked example at €30,000 gross.
Read more →IRS Automático, e-Fatura, and AT-certified invoicing tools are built around a Portuguese freelancer with Portuguese clients. The moment you add a foreign client, a foreign supplier, or a non-Portuguese invoicing tool, the automation breaks. Here's exactly where it breaks and why.
Read more →Withholding tax in Portugal is deducted by Portuguese clients before they pay you. Foreign clients do not deduct anything. Here is how the 23% rate works, the exemptions, and a decision table by client type.
Read more →For years, building privacy-first meant accepting slower development. You either bolted on a dozen SaaS suppliers and shipped fast, or you did it properly and fell behind. That tradeoff is gone. Here's why, and what it looks like in practice at Descodify.
Read more →Keeping your data under EU jurisdiction is harder than the normal way of building software. What EU data sovereignty looks like in practice at Descodify: no AWS or Google Cloud, no Google Analytics, as few third parties as possible, and an honest look at the gaps.
Read more →If you bought a laptop for your freelance business in Portugal, you need to think about imobilizado. Here is what the simplified regime means for VAT recovery, what records to keep, and what a minimum Ficha de Imobilizado looks like.
Read more →Every invoice issued in Portugal carries a QR code. Here is what it encodes, how the AT-certified software system works, and why Portugal built this infrastructure years before most of Europe started thinking about it.
Read more →Your PDF invoices are still fully valid in 2026. No qualified electronic signature required yet. Here is exactly what the law says, what changes on 1 January 2027, and why Descodify users will not need to do anything.
Read more →What every column in your eFatura statement means, how to categorize expenses, which deductions are automatic and which require you to act, plus what freelancers on Cat. B need to know that employees don't.
Read more →New to Portugal and not sure if you even need to file IRS? This guide covers partial-year tax residency under CIRS Art. 16, how residency starts from your first day of stay, split-year income, two Modelo 3 declarations, IFICI timing, and the mistakes that catch first-time filers off guard.
Read more →Step-by-step: how to file your quarterly income declaration on Segurança Social Direta, what the deadlines are in 2026, how the contribution amount is calculated, and what happens if you miss a filing.
Read more →Portugal's OE2026 added cultural expenses (books, theatre, cinema, concerts, museum admissions) to the list of IRS-deductible items. Here's exactly how to find your totals in e-Fatura before the May 30 filing deadline.
Read more →If you're a freelancer under 35 in Portugal, IRS Jovem could exempt up to 100% of your income from IRS in your first year. Here's who qualifies, how the exemption works, and how to activate it in Anexo B.
Read more →How Social Security (Segurança Social) works for freelancers in Portugal, contribution rates, the 12-month exemption, quarterly declarations, and the Year 2 jump that catches everyone off guard.
Read more →After a name rejection, a broken government platform, and a four-month IRN backlog, I hired a solicitadora for 200 euros. She filed it in an afternoon. Six weeks later, the NIPC arrived.
Read more →They look the same on the AT portal and produce similar documents. But a Recibo Verde and a Fatura-Recibo are not the same thing, and the difference matters for your clients and your taxes.
Read more →Best invoicing software for freelancers in Portugal in 2026: AT certification, Recibos Verdes, software de faturação, and what the simplified regime actually requires. How to pick the right tool for your situation.
Read more →Miss the June 30 IRS deadline and you face a €200 fine plus interest. But filing voluntarily before AT contacts you (regularização espontânea) keeps you in control and avoids escalation.
Read more →Most freelancers on the Art. 53 VAT exemption know the €15,000 threshold. Fewer know about the €18,750 line, where the rules change completely. Here's what happens at each level.
Read more →If you moved to Portugal before 2024, you're likely on NHR. After 2024, you might be on IFICI, or on standard rates. Here's what each regime means for your tax filing, including the full 7 qualifying routes, the per-year recertification trap, and what happens if you miss the January deadline.
Read more →Freelancers on the simplified regime fill in Anexo B when filing IRS. Here's what each section actually asks for, and what to write.
Read more →Empresa Online 2.0 silently rejects non-Portuguese EU citizens despite accepting CMD login. The EU single market fix is SOLVIT, a free complaint network almost nobody knows exists. Here's how I used it.
Read more →Living in Lagos, Faro, Portimão, or anywhere along the Algarve coast? Here's what expat freelancers actually need to do for their Portuguese IRS, and why you don't need a local accountant to do it.
Read more →Filing your 2025 IRS return in Portugal in 2026? Most simplified regime mechanics are unchanged. Here's what actually shifted this filing season, and what's worth checking before you submit.
Read more →How to file taxes in Portugal in 2026: which Modelo 3 annexes apply to you, what to prepare beforehand, how to handle foreign income and double taxation treaties, and the step-by-step process on Portal das Finanças for freelancers and expats on the simplified regime.
Read more →No, you are not legally required to hire an accountant in the simplified regime. But some situations genuinely benefit from professional help. Here's how to tell which you are.
Read more →Name approved after six days. CMD activated in twenty minutes. Empresa na Hora suspended in Lagos. Empresa Online 2.0 running out of data to display for EU citizens. A day of Portuguese company registration that didn't go as the brochure suggested.
Read more →Your IRS isn't a June event. It's a year-round cycle with deadlines in February, March, and April. Here's what I found when I finally logged in, and why it matters for your deductions.
Read more →The comprovativo de entrega is the official record of your IRS filing. Most expats can't read it, can't translate it, and end up guessing whether their tax bill makes sense. Here's what the document actually contains and how to read it.
Read more →EU countries share your financial data with Portugal automatically. I got flagged for undeclared foreign income from 4 years ago, including €95 in bank interest. Here's what happened and why you need to keep proof of everything.
Read more →If you're a freelancer or sole proprietor in Portugal who builds software products, the IRC simplified regime has two very different paths: 0.10 (other services) or 0.75 (listed professions). Which one applies to you isn't settled. Here's what the law says, where it's ambiguous, and what to ask your contabilista.
Read more →Portugal launched Empresa Online 2.0 in 2024, EU-funded, 10 minutes to submit, €220. On paper, one of the fastest company formation systems in Europe. A Swedish founder in the Algarve decides to test it.
Read more →Same freelancer, same activity, same family. Three years of IRS declarations, different annexes, and Social Security contributions that shifted between filings. The outcome barely moved. What changed was my understanding.
Read more →When you start freelancing in Portugal, your accountant asks for your Portal das Finanças login. That's the beginning of a process where someone else makes decisions about your taxes, and you're the one who's legally responsible.
Read more →Portugal has some of the most generous tax incentives for new businesses in Europe. Sweden makes the daily admin nearly invisible. A Swedish expat who's lived both systems on what each gets right.
Read more →In the Algarve, business runs on word-of-mouth and Facebook recommendations. But there's a 30-second check that tells you if someone is actually registered, and Portugal gives you more information than most EU countries.
Read more →You'll hear 'recibos verdes' within your first week of freelancing in Portugal. The term goes back to 1978, and understanding it explains a lot about how the system works today.
Read more →If you're a freelancer in Portugal invoicing clients abroad, you've probably heard you need a workaround to avoid losing cash-basis accounting. You don't. Here's how it actually works.
Read more →Portuguese VAT looks straightforward until you invoice a client abroad. Here's how IVA actually works for freelancers (domestic, EU, and rest of world) from a Swedish expat who learned the hard way.
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