Invoicing Blog Help Create account
Equipa FIZ

Equipa FIZ

Equipa de conteúdo

A equipa FIZ é composta por especialistas em fiscalidade, contabilidade e tecnologia, dedicados a simplificar a vida dos trabalhadores independentes em Portugal.

Articles by Equipa FIZ

Housing Tax Shock: What Changes for You in 2026

Housing Tax Shock: What Changes for You in 2026

Construction VAT drops from 23% to 6%, rental income tax falls from 25% to 10%, tenant deductions rise. Everything Portugal's new housing tax package changes for freelancers.

I Exceeded the €15,000 VAT Threshold Mid-Year. What Now?

I Exceeded the €15,000 VAT Threshold Mid-Year. What Now?

You were VAT-exempt and suddenly realised you've crossed €15,000. Don't panic — here's exactly what to do, step by step.

Multiple CAE Codes at Once: the Designer Who Also Teaches

Multiple CAE Codes at Once: the Designer Who Also Teaches

Do you have more than one activity? You can hold multiple CAE codes simultaneously. What changes, what stays the same, and why the income tax coefficients matter.

Can You Deduct VAT on Business Expenses? Yes — and You're Probably Leaving Money on the Table

Can You Deduct VAT on Business Expenses? Yes — and You're Probably Leaving Money on the Table

If you invoice over €15,000/year and charge VAT, the VAT you pay on professional expenses reduces what you owe the state. Most freelancers don't know this.

How to Suspend or Close Your Activity — and Can You Reopen Later?

How to Suspend or Close Your Activity — and Can You Reopen Later?

Work slowed down and you want to close your activity temporarily? Or for good? The process is simple — and yes, you can always reopen.

Working a Job and Freelancing at the Same Time: How It Works in Portugal

Working a Job and Freelancing at the Same Time: How It Works in Portugal

Have a job and want to take on side projects? It's legal, it's common in Portugal, and it's simpler than you think. Here's everything you need to know.

Recibo Verde or Fatura — What's Actually the Difference?

Recibo Verde or Fatura — What's Actually the Difference?

Most freelancers use the words interchangeably. In practice it usually works — but legally there are differences that can matter when it counts.

Subcontracting Between Freelancers: How to Hire Help and Deduct It as an Expense

Subcontracting Between Freelancers: How to Hire Help and Deduct It as an Expense

Need help with a project? You can hire another freelancer. Their receipt is your expense — straightforward, legal, and deductible.

What Is Withholding Tax (Retenção na Fonte) and Why the Client Pays You Less

What Is Withholding Tax (Retenção na Fonte) and Why the Client Pays You Less

You invoiced €1,000 and the client paid €770. No mistake. It's withholding tax — an advance payment of your IRS that the company sends directly to the tax authority.

How to Ask Your European Client for Their VAT Number (and Avoid Unnecessary VAT)

How to Ask Your European Client for Their VAT Number (and Avoid Unnecessary VAT)

If you provide B2B services to EU companies, you need their EU VAT number. Without it, you must charge Portuguese VAT. With it, reverse charge applies.

Issued a Wrong Recibo Verde? A Nota de Crédito Fixes It in 5 Minutes

Issued a Wrong Recibo Verde? A Nota de Crédito Fixes It in 5 Minutes

Wrong amount, swapped NIF, wrong VAT rate — it happens to everyone. The good news: there's a simple legal mechanism that cancels the mistake in minutes.

Log Your Expenses in FIZ and Pay Less Tax

Log Your Expenses in FIZ and Pay Less Tax

In the simplified regime, you can deduct real expenses instead of the automatic 75% coefficient. FIZ helps you track everything and know when it's worth it.

How FIZ Submits Your Quarterly VAT Declaration Automatically

How FIZ Submits Your Quarterly VAT Declaration Automatically

The VAT declaration comes four times a year. With FIZ it's automatic — it calculates, fills in, and submits without you having to do anything.

Freelance Freedom Begins Not with a Client — But with a NIF and a Recibo Verde

Freelance Freedom Begins Not with a Client — But with a NIF and a Recibo Verde

Everyone talks about the first client as the moment freedom begins. But those who've been through it know the real beginning is something else entirely.

Working with EU Clients? FIZ Handles the Recapitulative Declaration for You

Working with EU Clients? FIZ Handles the Recapitulative Declaration for You

If you invoice companies in other EU countries, you need to submit a recapitulative declaration. Most freelancers don't know this. FIZ does it automatically.

How FIZ Calculates and Submits Your Quarterly Social Security Declaration

How FIZ Calculates and Submits Your Quarterly Social Security Declaration

The quarterly SS declaration can take 2-3 hours manually. With FIZ it takes 10 minutes — and with the Auto plan you don't need to do anything.

Fatura Simplificada: When You Can Invoice Without the Client's NIF

Fatura Simplificada: When You Can Invoice Without the Client's NIF

The client left without giving their NIF. There's a perfectly legal solution — with three conditions you need to check before using it.

The FIZ Dashboard: Your Finances at a Glance

The FIZ Dashboard: Your Finances at a Glance

Monthly billing, accumulated VAT, income tax forecast, next deadline — all on one screen. So you always know where you stand, without opening a spreadsheet.

Foreigner in Portugal: How to Open an Atividade Without Being a Citizen

Foreigner in Portugal: How to Open an Atividade Without Being a Citizen

Moved to Portugal and want to freelance? The process is the same for everyone — but it starts with the NIF. Here is the complete roadmap.

From Fear to Boredom: How Accounting Goes From Monster to Routine

From Fear to Boredom: How Accounting Goes From Monster to Routine

The first quarterly declaration took me 47 minutes. The fifth took 11. My skills didn't change — my familiarity did. That's how it works.

Which Document to Issue to Each Client? The Definitive Guide Without the Fuss

Which Document to Issue to Each Client? The Definitive Guide Without the Fuss

Recibo verde, fatura, fatura simplificada, reverse charge — the right answer depends on one single question: is your client an individual or a company?

A Day in the Life of a Freelancer Who Isn't Afraid of Accounting

A Day in the Life of a Freelancer Who Isn't Afraid of Accounting

Ana spends 12 minutes a day on accounting. It used to be 2 hours. A typical day that shows how tax admin can become completely invisible.

Laptop, Phone, Camera: How to Deduct Equipment from Your Taxes

Laptop, Phone, Camera: How to Deduct Equipment from Your Taxes

Under €1,000 — deduct everything in the year of purchase. Over €1,000 — depreciation applies. Phone is a special case. Here are the exact rules.

Home Office: How to Deduct Housing Expenses from Your Tax Return

Home Office: How to Deduct Housing Expenses from Your Tax Return

Working from home? Part of your housing costs are deductible. The rule is simple: calculate your workspace proportion and apply it to your monthly bills.

Accounting Isn't the State Controlling You. It's You Controlling Your Business.

Accounting Isn't the State Controlling You. It's You Controlling Your Business.

There's a shift in perspective that transforms your relationship with accounting: realising that tax numbers aren't a reporting obligation — they're your control panel.

I Hired an Accountant From Day One. It Was a Mistake.

I Hired an Accountant From Day One. It Was a Mistake.

I paid €150 a month for nearly a year for something I could have done in 15 minutes. Here's what I learnt — and when an accountant actually makes sense.

When I Realised Accounting Was About Money In My Pocket, the Fear Disappeared

When I Realised Accounting Was About Money In My Pocket, the Fear Disappeared

There was a mental block that stopped me facing the numbers. It vanished when I understood that every minute I spent on accounting was working in my favour.

Coefficient 0.75 vs 0.35: The Difference That Could Save You Thousands a Year

Coefficient 0.75 vs 0.35: The Difference That Could Save You Thousands a Year

In the simplified regime, the state estimates your expenses without requiring receipts. The coefficient determines what portion of your income is taxable — and the difference between 0.75 and 0.35 can be enormous.

How to Receive Payments as a Freelancer: Bank Transfer, MB Way, PayPal and the Rest

How to Receive Payments as a Freelancer: Bank Transfer, MB Way, PayPal and the Rest

Bank transfer, MB Way, PayPal, Wise, cash — all are legal. What truly matters is always issuing an invoice. Full guide with the rules and limits.

The Client Wants to Pay Without a Receipt? How to Handle This Situation

The Client Wants to Pay Without a Receipt? How to Handle This Situation

A situation every freelancer has faced. The client suggests paying cash, no paperwork. How to respond professionally — and protect yourself.

Five Stories of People Who Conquered Their Fear of Accounting

Five Stories of People Who Conquered Their Fear of Accounting

Nobody is born knowing how to fill in tax returns. These five real stories show how ordinary people went from total panic to a 15-minute monthly routine.

I Have Several Clients with Different Conditions — How Do I Keep Track?

I Have Several Clients with Different Conditions — How Do I Keep Track?

Client with withholding tax, client without withholding, foreign client. For each: how to issue the invoice, what to select, and what gets recorded. Summary table included.

Letter to My Past Self: What I Wish I'd Known About Accounting Before Starting

Letter to My Past Self: What I Wish I'd Known About Accounting Before Starting

An honest letter for anyone about to open their freelance activity — with everything my three-years-ago self needed to hear but nobody told me.

Social Security for Freelancers: What You Pay and Why

Social Security for Freelancers: What You Pay and Why

In your first year of activity you are fully exempt from Social Security — 12 months at zero. After that, the contribution is 21.4% on 70% of the previous quarter's income.

Late VAT Declaration? Here's How to Fix It Right Now

Late VAT Declaration? Here's How to Fix It Right Now

Missed the quarterly VAT deadline? Don't panic. A step-by-step guide to sorting it out, understanding the fine, and making sure it never happens again.

Social Security for Freelancers in Portugal: When to Pay, How Much, and How Not to Overpay

Social Security for Freelancers in Portugal: When to Pay, How Much, and How Not to Overpay

Practical guide to Social Security contributions for independent workers: first-year exemption, calculation formula, deadlines, and how to adjust if your income drops.

Recibo Verde: 5 Fields, 2 Minutes, Done

Recibo Verde: 5 Fields, 2 Minutes, Done

Issuing a recibo verde takes 5 fields: client NIF, amount, description, withholding, and VAT. Then the system reports everything to the tax authority automatically. It really is that simple.

Withholding Tax in Portugal: Why You Receive Less Than You Invoiced

Withholding Tax in Portugal: Why You Receive Less Than You Invoiced

You invoiced €1,000 and received €770. It is not a bank error — it is withholding tax. It is an advance payment of your IRS, not lost money. Here is how it works.

Your First 90 Days as a Freelancer in Portugal: The No-Panic Calendar

Your First 90 Days as a Freelancer in Portugal: The No-Panic Calendar

Week by week, what to do in your first 90 days as an independent worker — with realistic timings. Total bureaucracy: around 2 hours. The rest is for working.

Got a Letter from the Tax Authority: How Not to Panic

Got a Letter from the Tax Authority: How Not to Panic

That white envelope from the AT isn't necessarily bad news. Understand the 4 types of letters you might receive and exactly what to do with each one.

How Much Does an Accountant Cost in Portugal — and When Is It Worth It

How Much Does an Accountant Cost in Portugal — and When Is It Worth It

Real market rates for certified accountants in Portugal, when it makes financial sense to hire one, and how a hybrid model can give you professional coverage at half the cost.

Your First Recibo Verde: From Total Confusion to «That Was It?»

Your First Recibo Verde: From Total Confusion to «That Was It?»

Step by step for issuing your first recibo verde — no fear of making mistakes, with real examples for VAT-exempt freelancers and withholding tax. Simpler than it looks.

Portugal Finance Portal: A Map So You Never Get Lost Again

Portugal Finance Portal: A Map So You Never Get Lost Again

A guided tour of the Portal das Finanças, section by section. Where to file declarations, where to pay, where to check your fiscal status. After this, the portal stops being a maze.

The Complete Freelancer Glossary: 15 Words You Need to Know

The Complete Freelancer Glossary: 15 Words You Need to Know

NIF, IVA, coeficiente, retenção na fonte — the full vocabulary of Portuguese freelancer finances explained simply. 15 terms, no jargon.

What a Fiscal Platform Does for You (and What You Still Need to Do)

What a Fiscal Platform Does for You (and What You Still Need to Do)

What a modern fiscal platform handles automatically and what remains your responsibility. A clear guide for freelancers on the simplified regime.

What Happens If You Make a Tax Mistake? Spoiler: The World Doesn't End

What Happens If You Make a Tax Mistake? Spoiler: The World Doesn't End

Tax mistakes happen. Here's how Portugal's notification system actually works and what to do when you get something wrong.

What If You Simply Do Nothing? What Actually Happens

What If You Simply Do Nothing? What Actually Happens

Working without opening activity, not issuing invoices, not paying Social Security — for each scenario, the real and concrete consequences. Acting now is far simpler.

No accountant needed on the simplified regime

No accountant needed on the simplified regime

The law is clear: below €200,000 in annual turnover, you are not required to have a certified accountant. But many freelancers keep paying for a service they don't need.

Quarterly VAT Return in Portugal: A Guide for First-Timers

Quarterly VAT Return in Portugal: A Guide for First-Timers

Where to find the form, what each field means, where the numbers come from. Your first periodic VAT declaration on the Finance Portal takes 20 minutes.

VAT: The Three Letters That Will Stop Scaring You in 5 Minutes

VAT: The Three Letters That Will Stop Scaring You in 5 Minutes

VAT seems complicated until you understand how it works. If you invoice under €15,000 a year, you don't charge VAT at all. If you invoice more, you're just the middleman.

VAT: Where It Comes From, Where It Goes, and Why It Is Not Your Money

VAT: Where It Comes From, Where It Goes, and Why It Is Not Your Money

The VAT you charge clients is never yours. Understand how the VAT chain works, the quarterly declaration deadlines, and what happens when you cross the €15,000 threshold.

IRS for Freelancers: How Much Will You Actually Pay?

IRS for Freelancers: How Much Will You Actually Pay?

In the simplified regime you only pay income tax on 75% of what you invoice — not on everything. Understand how the coefficient works, progressive brackets, and when to file your annual declaration.

How to Store Documents and Invoices to Avoid Problems with the Tax Authority

How to Store Documents and Invoices to Avoid Problems with the Tax Authority

How long to keep documents (4 years for most), what counts as a tax document, whether a digital copy is enough, and what happens if you cannot produce them during an audit.

E-fatura: The State Sees Everything — and That Is Good for You

E-fatura: The State Sees Everything — and That Is Good for You

The e-fatura system automatically records every invoice linked to your NIF. Far from being a threat, it is your best protection: your IRS return is pre-filled and you have proof you work legally.

Forgot to Issue an Invoice. Now What?

Forgot to Issue an Invoice. Now What?

The client already paid but you forgot to issue the invoice? You can — and should — issue it today. Here's what to do, what the consequences are, and how to prevent it happening again.

The Portuguese Tax Authority: Not the Monster You Think It Is

The Portuguese Tax Authority: Not the Monster You Think It Is

The Finance Portal has 4 main sections. The tax authority has phone support and a chat service. They want you to work legally. A no-nonsense guide to stop fearing the Finanças.

All your accounting in one phone app

All your accounting in one phone app

What does a freelancer's day actually look like with an accounting app in their pocket? Invoice in 30 seconds, expenses with a photo, declarations via notification.

Annual IRS Declaration: How to File Without Losing Your Mind

Annual IRS Declaration: How to File Without Losing Your Mind

Practical guide for independent workers on the simplified regime: what is already pre-filled automatically, what you need to confirm, and how it can result in a refund.

Your Entire Accounting? 15 Minutes a Month. Seriously.

Your Entire Accounting? 15 Minutes a Month. Seriously.

What a freelancer on the simplified regime actually does — issue invoices, log expenses, file VAT, file IRS. Stopwatch in hand: it does not go beyond 15 minutes a month.

How technology eliminated 80% of freelancer tax admin

How technology eliminated 80% of freelancer tax admin

In 2010, going freelance meant stacks of paper and constant dread. In 2026, your phone handles almost everything. What changed — and why the fear no longer makes sense.

How to Open Your Freelance Activity in Portugal: Step by Step in 20 Minutes

How to Open Your Freelance Activity in Portugal: Step by Step in 20 Minutes

Opening your activity as an independent worker takes 20 minutes online. Finance Portal, right CAE, simplified regime, PDF confirmation. Here is the complete guide.

CAE and CIRS: How to Choose the Right Activity Code in Portugal

CAE and CIRS: How to Choose the Right Activity Code in Portugal

CAE is the five-digit code that classifies what you do professionally. Here are the most common codes for freelancers, how to find yours, and what happens if you pick the wrong one. (Spoiler: nothing serious.)

Foreign Client: How to Invoice and What to Do with VAT

Foreign Client: How to Invoice and What to Do with VAT

German company, Brazilian individual, American startup — for each case: whether to charge VAT, what to write on the invoice, and whether you can invoice in euros or another currency.

10 Mistakes Every Freelancer Makes in Their First Year (and How to Avoid Them)

10 Mistakes Every Freelancer Makes in Their First Year (and How to Avoid Them)

From not issuing invoices on time to mixing up gross and net — the classic first-year mistakes and how not to repeat them.

I Opened My Freelance Activity and Survived: A First-Month Chronicle

I Opened My Freelance Activity and Survived: A First-Month Chronicle

Pedro's real first month as a freelancer in Portugal — opening his activity in 5 minutes and spending under an hour on admin for the entire month.

Ato Isolado: How to Invoice Legally Without Opening a Business Activity

Ato Isolado: How to Invoice Legally Without Opening a Business Activity

Have a one-off piece of work and do not want the full freelance setup? The ato isolado lets you invoice legally without any bureaucracy. Here is when it works and when to open activity instead.

7 Expenses You Already Pay and Can Deduct from Your IRS

7 Expenses You Already Pay and Can Deduct from Your IRS

Internet, laptop, software, coworking, training - all of this reduces your IRS bill. The trick? Request an invoice with your NIF and validate it in the e-invoice system. The average freelancer saves €500-1,500/year.

My Friend Switched From Salary to Freelance and Pays Less Tax

My Friend Switched From Salary to Freelance and Pays Less Tax

Gross salary €1,500: the company pays €1,850 total, you take home €1,100. The same amount as a freelancer on the simplified regime? You keep more. The real numbers.

How Much Does It Cost to Be a Freelancer in Portugal: The Real Numbers

How Much Does It Cost to Be a Freelancer in Portugal: The Real Numbers

Year one: zero Social Security. IRS on 75% of what you invoice. VAT only above €15,000. Real numbers, no fluff, with examples at €1,000, €2,000 and €3,000/month.

How to Avoid an April Tax Shock: Plan Your Taxes All Year Long

How to Avoid an April Tax Shock: Plan Your Taxes All Year Long

Maria invoiced €18,000 and spent it all. In April she owed €3,200 to the state. Panic. The simple rule that prevents this: always set aside 20-25% of every invoice. No surprises, no loans.

Taxes Like a Netflix Subscription: Pay and Forget

Taxes Like a Netflix Subscription: Pay and Forget

You know exactly what you pay for Netflix. But how much are you paying in taxes and Social Security this month? The analogy that changes how you see your tax obligations as a freelancer.

The Thresholds That Change Everything: €15,000 and €200,000

The Thresholds That Change Everything: €15,000 and €200,000

Two numbers every independent worker needs to know. Below €15,000 you don't charge VAT. Above €200,000 you leave the simplified regime. What changes at each threshold - explained with real examples.

Accounting isn't for geniuses. It's for everyone.

Accounting isn't for geniuses. It's for everyone.

Think you're bad with numbers? Sofia paid €200/month to an accountant until she discovered that freelancer accounting is simpler than baking a yogurt cake.

Is the Tax Authority Auditing Freelancers? What They Look For and How to Protect Yourself

Is the Tax Authority Auditing Freelancers? What They Look For and How to Protect Yourself

If you're a freelancer worried about a tax audit, read this first. The reality is very different from what you imagine - and there are simple ways to protect yourself.

Why the Government Sends You Money in May (and How to Make Sure You Get Yours)

Why the Government Sends You Money in May (and How to Make Sure You Get Yours)

May is the month when many freelancers receive a surprise transfer from the government. It's not a mistake - it's your IRS refund. Here's how to maximise it.

Can You Deduct the VAT You Pay on Your Expenses? Yes - Let Me Explain How

Can You Deduct the VAT You Pay on Your Expenses? Yes - Let Me Explain How

Rita left over €3,000 on the table by not knowing she could deduct VAT on professional expenses. Learn how it works and how much you can save.

You've Been Putting Off Starting 'Until Monday' for 2 Years. Here's What It's Costing You

You've Been Putting Off Starting 'Until Monday' for 2 Years. Here's What It's Costing You

Every month you delay going freelance costs between €1,000 and €3,000. Do the maths with real examples and discover the true price of fear.

You Already Know Accounting - You Just Don't Know the Names

You Already Know Accounting - You Just Don't Know the Names

Discover that you already do accounting every day without realizing it. 7 everyday actions that are actually accounting operations and their proper names.

5 Things That Scare You About Accounting - And Why None of Them Are That Bad

5 Things That Scare You About Accounting - And Why None of Them Are That Bad

The 5 biggest fears freelancers have about accounting, debunked. Fines, formulas, inspections - discover why nothing is as scary as it seems.

I Was 28, Wanted to Go Freelance - And the Word Accounting Stopped Me for 2 Years

I Was 28, Wanted to Go Freelance - And the Word Accounting Stopped Me for 2 Years

A real story about how the fear of accounting delayed the start of an independent career. The 5 truths nobody tells you about starting as a freelancer in Portugal.

'I Need to Understand Taxes First' - And Other Excuses Stopping You From Starting

'I Need to Understand Taxes First' - And Other Excuses Stopping You From Starting

The 4 big excuses that stop aspiring freelancers from registering their activity. Discover why they're nonsense and what you really need to know before starting.

Why Smart People Fear Accounting - And It's Not Their Fault

Why Smart People Fear Accounting - And It's Not Their Fault

You have a master's degree and speak three languages, but the quarterly VAT declaration gives you panic? Discover why the fear of accounting is rational - and how to overcome it.