Invoicing

AI Consultant

TI / ENI

Companies

Accountants

Start free

Invoicing

For TI / ENI

Social Security

VAT

Tax Shield

Plans

Companies

For Accountants

Help

Start free

Invoicing

For TI / ENI

Social Security

VAT

Tax Shield

Plans

Companies

For Accountants

Help

Start free

Invoicing + Expense Management.

Built for Portugal.

Send certified invoices and keep your expenses organized — all in one simple and beautiful platform. Ideal for working together with your accountant.

№ 3041

Certified by the Portuguese Tax Authority

24/7

Instant support

15.000+

satisfied self-employed professionals

4.8 ★

Average rating — App Store & Google Play

Why companies love FIZ

All-in-one

Invoicing and expense management in one place.

Accountant-friendly

Share real-time reports with your accountant.

100% compliant

Certified invoicing by AT, fully compliant with Portuguese rules.

Made to save time

Automations that cut hours of work every month.

FIZ Base

Invoicing

0 €

Start for free

Certified Invoicing

AT Certificate nº 3041

Unlimited invoices

Web & Mobile app access

Learn more

Customer support

Response within 48h

FIZ Pro

FIZ Base + AI Tax Assistant

9 .99

€

Try for free

Certified Invoicing

AT Certificate nº 3041

Unlimited invoices

Web & Mobile app access

Invoicing without FIZ branding

Automatic VAT rate suggestion

Scheduled invoices

Access for multiple users

Invoicing via WhatsApp

Learn more

Customer support

AI Tax Assistant

Response in 24h

FIZ Base

Invoicing

0 €

Start for free

Certified Invoicing

AT Certificate nº 3041

Unlimited invoices

Web & Mobile app access

Learn more

Customer support

Response within 48h

FIZ Pro

FIZ Base + AI Tax Assistant

9 .99

€

Try for free

Certified Invoicing

AT Certificate nº 3041

Unlimited invoices

Web & Mobile app access

Invoicing without FIZ branding

Automatic VAT rate suggestion

Scheduled invoices

Access for multiple users

Invoicing via WhatsApp

Learn more

Customer support

AI Tax Assistant

Response in 24h

FIZ Base

Invoicing

0 €

Start for free

Certified Invoicing

AT Certificate nº 3041

Unlimited invoices

Web & Mobile app access

Learn more

Customer support

Response within 48h

FIZ Pro

FIZ Base + AI Tax Assistant

9 .99

€

Try for free

Certified Invoicing

AT Certificate nº 3041

Unlimited invoices

Web & Mobile app access

Invoicing without FIZ branding

Automatic VAT rate suggestion

Scheduled invoices

Access for multiple users

Invoicing via WhatsApp

Learn more

Customer support

AI Tax Assistant

Response in 24h

Frequently Asked Questions

Can I use FIZ with my accountant?

Yes. You can invite your accountant to access anytime and work comfortably together.

Can I use FIZ with my accountant?

Yes. You can invite your accountant to access anytime and work comfortably together.

Can I use FIZ with my accountant?

Yes. You can invite your accountant to access anytime and work comfortably together.

Is VAT included in the price?

Yes. All prices already include VAT.

Is VAT included in the price?

Yes. All prices already include VAT.

Is VAT included in the price?

Yes. All prices already include VAT.

What if my card has no balance?

We automatically retry a few days later — your FIZ account stays active.

What if my card has no balance?

We automatically retry a few days later — your FIZ account stays active.

What if my card has no balance?

We automatically retry a few days later — your FIZ account stays active.

AT № 3041

NIPC 517696835

1200-082, Lisbon, Cais do Tojo 24

Invoicing

Soc.Security Declaration