Invoicing

For TI / ENI

Social Security

VAT

Tax Shield

Plans

For Companies

For Accountants

Help

VAT automatically calculated and filed.

Review once — we submit error-free, expert-verified, and with a tax guarantee up to 1.500€

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

Never miss a deadline

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

Benefits of automatic VAT calculation & filing with FIZ

Expert verified — accuracy you can trust

Expert verified — accuracy you can trust

Expert verified — accuracy you can trust

Automatic VAT calculation from your invoices

Automatic VAT calculation from your invoices

Automatic VAT calculation from your invoices

Import invoices directly from the AT portal if needed

Import invoices directly from the AT portal if needed

Import invoices directly from the AT portal if needed

Error-proof — no mistakes, no late penalties

Error-proof — no mistakes, no late penalties

Error-proof — no mistakes, no late penalties

Smart reminders before every deadline

Smart reminders before every deadline

Smart reminders before every deadline

Direct submission to the Tax Authority

Direct submission to the Tax Authority

Direct submission to the Tax Authority

One-click filing — declaration done instantly

One-click filing — declaration done instantly

One-click filing — declaration done instantly

Tax Guarantee — up to 1.500€ per declaration

Tax Guarantee — up to 1.500€ per declaration

Tax Guarantee — up to 1.500€ per declaration

Plans

FIZ Base

0 €

forever

Tax Shield

FIZ Auto Pro

Most Popular

14,99 €

per month, including VAT

FIZ Prime Pro

24,99 €

per month, including VAT

FIZ Base

0 €

forever

Tax Shield

FIZ Auto Pro

Most Popular

14,99 €

per month, including VAT

FIZ Prime Pro

24,99 €

per month, including VAT

FIZ Base

0 €

forever

Tax Shield

FIZ Auto Pro

Most Popular

14,99 €

per month, including VAT

FIZ Prime Pro

24,99 €

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.

Frequently Asked Questions

Do I still need an accountant?

Not necessarily. With FIZ, all VAT declarations are already calculated and submitted automatically. If you want, you can still share them with your accountant — but it’s optional.

Do I still need an accountant?

Not necessarily. With FIZ, all VAT declarations are already calculated and submitted automatically. If you want, you can still share them with your accountant — but it’s optional.

Do I still need an accountant?

Not necessarily. With FIZ, all VAT declarations are already calculated and submitted automatically. If you want, you can still share them with your accountant — but it’s optional.

I forgot my Tax Authority (AT) password. What should I do?

I forgot my Tax Authority (AT) password. What should I do?

I forgot my Tax Authority (AT) password. What should I do?

Can I cancel my subscription at any time?

Can I cancel my subscription at any time?

Can I cancel my subscription at any time?

Can I cancel my subscription at any time?

Can I cancel my subscription at any time?

Can I cancel my subscription at any time?