Other software
Firmly
· Windows
Firmly is an online and mobile program for sole proprietorships, enabling the issuance of VAT invoices, maintaining KPiR and automatic calculation of income tax and ZUS contributions.
- Platform
- Windows
- Licence
- Trial version
- Version information updated
- 2026-04-23
- Manufacturer
- e-file sp. z o.o.
Before installation
A trial or demo download does not include a paid licence. Trial restrictions and activation requirements are set by the publisher.
Questions about downloads
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Does downloading include a software licence?
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