Firm@ – Firma PDFs con DNIe

Need to sign a PDF with full legal validity and without complications? Firm@ is CQe-Solutions' professional and honest solution for digitally signing documents using your Spanish National Identity Card (DNIe) or Digital Certificate, directly from your mobile phone.

ETHICAL COMPANY GUARANTEE

Unlike other applications, Firm@ has the Ethical Company Seal from the General Council of Professional Associations in Computer Engineering. This guarantees you:

TOTAL TRANSPARENCY: No hidden fees or misleading renewals.

EASY CANCELLATION: Manage your subscription without traps or endless processes.

PROFESSIONAL SUPPORT: Direct support from digital signature technology experts in Spain.

MAIN FEATURES

Sign with DNIe and NFC: Sign PDF documents using your electronic ID card 3.0 or higher without needing an external reader or PC.

Digital Certificate: Use your personal certificate securely, even on devices without NFC.

Long-Term Validation (LTV) Signature: Your signatures maintain their legal validity long-term, even after the certificate expires.

Maximum Compatibility: Once signed, instantly share the document via WhatsApp, email, Telegram, or any other installed app.

WHAT DO YOU NEED TO SIGN?

For Spanish National Identity Card (DNIe): Electronic DNI 3.0 or higher and a mobile phone with NFC technology.

For Digital Certificates: You can sign on any compatible Android device, without needing NFC.

SECURITY AND TRUST

At CQe-Solutions, we don't just develop software; we create robust tools for professionals and citizens. With Firm@, your documents and data are protected under the highest security standards and the rigorous ethical principles of Spanish computer engineering.

Join thousands of users who already trust the highest-rated digital signature application. Sign your documents in seconds with complete peace of mind!