Meet your first Neo Accountant 👋

Designed for service providers. Created for sole traders, freelancers and small businesses.

❤️

Trusted by 9,000+ Portuguese clients

Certified by AT

Unlimited free invoicing

Invoice in seconds with FIZ: no more manual inputs, calculations, or AT filing hassles.

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Automatic VAT application, no consultations needed

Automatic VAT calculation, no consultations needed

Get paid faster with payment links

Direct payment through MBWay, Multibanco, Visa, or Mastercard.

Get paid faster with payment links

Direct payment through MBWay, Multibanco, Visa, or Mastercard.

Get paid faster with payment links

Direct payment through MBWay, Multibanco, Visa, or Mastercard.

Download the FIZ App for Android and iOS

Simplify invoicing and manage your business anywhere.

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AI accounting & tax filing

Tax filing

VAT (IVA) & Social Security (Segurança Social)

Hands-free taxes.

Zero spreadsheets. FIZ tracks your invoices, calculates VAT and Social Security, and fills everything in for you. You just review and confirm.

Hands-free taxes.

Zero spreadsheets. FIZ tracks your invoices, calculates VAT and Social Security, and fills everything in for you. You just review and confirm.

Hands-free taxes.

Zero spreadsheets. FIZ tracks your invoices, calculates VAT and Social Security, and fills everything in for you. You just review and confirm.

Automatic submission

FIZ files your declarations directly with AT and Segurança Social. You'll get reminders before every deadline — so you never miss a thing.

Automatic submission

FIZ files your declarations directly with AT and Segurança Social. You'll get reminders before every deadline — so you never miss a thing.

Automatic submission

FIZ files your declarations directly with AT and Segurança Social. You'll get reminders before every deadline — so you never miss a thing.

FIZ AI Taxbot: 24/7 support

Knowledgeable in all codes and regulations, responding faster than humans.

Ask me anything

Why enterpreneurs trust us?

Katherine P

Easy and practical to use! I really like it!

Rui Fernandes

Very intuitive app, simple to use and the result is excellent—and above all, it’s free! Congratulations to the creators, great job!

Renato

Practical and intuitive, issuing invoices is easier than with AT. The support is efficient.

António Sequeira

Very easy to use and an app that helps a lot. Switching to FIZ was worth it.

Ana Lança

I love this app. Free and intuitive. And most importantly, free. I like that invoices are sent directly to AT. I no longer have to send the SAFT file monthly.

Well Cardoso

Excellent! Very complete and free invoicing system. I recommend it!

AT Certificate No. 3041

NIPC 517696835

Legal documents

Alternative Dispute Resolution

Complaints book

AT Certificate No. 3041

NIPC 517696835

Legal documents

Alternative Dispute Resolution

Complaints book