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
15.000+
satisfied self-employed professionals
Benefits of automatic Social Security calculation & filing with FIZ
Automatically calculates your contribution base
Lets you adjust your base (-25% / +25%)
Submits directly to Social Security
Files your declaration in just 1 click
Sends smart reminders before every deadline
Tax Guarantee — up to 1.500€ covered per declaration
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
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.
AT № 3041
NIPC 517696835
1200-082, Lisbon, Cais do Tojo 24