FIZ: Financial Assistant 24/7

FIZ

About this app

FIZ — Financial assistant for freelancers 24/7

Less paperwork. More life. Invoicing, VAT & Social Security — with Tax Shield protection.

Your complete financial assistant — in one app. FIZ is the all-in-one platform for freelancers and self-employed professionals in Portugal.

• Certified invoicing (AT No. 3041) — issue invoices in seconds.
• Automatic VAT & Social Security declarations, calculated and submitted for you.
• Fiscal Shield — protection up to 1.500€ per declaration.
• Instant chat support 24/7, powered by humans + AI.
• 10,000+ happy professionals.
• Made with pride in Portugal.

What you can do:
✓ Send certified invoices in seconds
✓ Let FIZ handle VAT and Social Security automatically
✓ Get instant answers via in-app chat

Less bureaucracy. More life.

What’s new

Custom series – Create and manage your own invoice numbering series.
Improved UX/UI – Even smoother, faster invoicing experience.
Bug fixes & enhancements – Performance and stability improvements.