Invoicing

For TI / ENI

Social Security

VAT

Tax Shield

Plans

For Companies

For Accountants

Help

Social Security automatically calculated and filed.

Review once — we file error-free, expert-verified, with up to 1.500€ tax protection guaranteed per declaration.

Built for self-employed professionals (Sole Traders & Independent Entrepreneurs) providing services in Portugal.

№ 3041

Certified by the Portuguese Tax Authority

10.000+

satisfied self-employed professionals

24/7

instant support

Benefits of automatic Social Security calculation & filing with FIZ

Automatically calculates your contribution base

Automatically calculates your contribution base

Automatically calculates your contribution base

Lets you adjust your base (-25% / +25%)

Lets you adjust your base (-25% / +25%)

Lets you adjust your base (-25% / +25%)

Submits directly to Social Security

Submits directly to Social Security

Submits directly to Social Security

Expert verified!

Expert verified!

Expert verified!

Files your declaration in just 1 click

Files your declaration in just 1 click

Files your declaration in just 1 click

Sends smart reminders before every deadline

Sends smart reminders before every deadline

Sends smart reminders before every deadline

Tax Guarantee — up to 1.500€ covered per declaration

Tax Guarantee — up to 1.500€ covered per declaration

Tax Guarantee — up to 1.500€ covered per declaration

Sends smart reminders before every deadline

Sends smart reminders before every deadline

Sends smart reminders before every deadline

Never miss a deadline

FIZ tracks every tax deadline, sends smart reminders, and notifies you about what matters. No surprises, no fines, no stress.

Plans

FIZ Base

For those who want to try FIZ and issue certified invoices — free forever.

0

forever

Tax Shield

FIZ Auto

Forget bureaucracy and let FIZ handle everything for you.

9

,99

per month, including VAT

FIZ Prime

Total peace of mind with AI tax assistant, priority support, and maximum protection.

14

,99

per month, including VAT

FIZ Base

For those who want to try FIZ and issue certified invoices — free forever.

0

forever

Tax Shield

FIZ Auto

Forget bureaucracy and let FIZ handle everything for you.

9

,99

per month, including VAT

FIZ Prime

Total peace of mind with AI tax assistant, priority support, and maximum protection.

14

,99

per month, including VAT

FIZ Base

For those who want to try FIZ and issue certified invoices — free forever.

0

forever

Tax Shield

FIZ Auto

Forget bureaucracy and let FIZ handle everything for you.

9

,99

per month, including VAT

FIZ Prime

Total peace of mind with AI tax assistant, priority support, and maximum protection.

14

,99

per month, including VAT

Tax Shield

Accuracy guaranteed with real money

Our automatic tax engine is built for total accuracy — and we back it with a real monetary guarantee. Every declaration is protected with up to 1.500€, depending on your plan. Full confidence. Zero worries.