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Send any PDF to your clients for digital signing. No printers, no scanners, no hassle.
No credit card · 3 free documents · Cancel anytime
Contrato_servicios.pdf
To: María López
Digital signature
Valid in Latin America
Signed!
2 min ago
Three steps to sign
The simplest process to obtain legally valid digital signatures.
01
Upload the PDF
Load the document from your computer and enter the signer's email.
02
Signer receives the link
An automatic email is sent with a unique link and a 4-digit security code.
03
Signed PDF ready
Download the document with the embedded signature and full audit trail.
Everything you need
Firmiu has everything to manage your digital signatures professionally.
Legally valid
Signatures with legal validity across Latin America under current e-signature laws.
100% cloud-based
No installations or plugins. Works from any browser and device.
Full audit trail
Records IP, date, time, device and geographic location for every signature.
Automatic delivery
Signer receives the link by email. You get notified when they sign.
Secure storage
Encrypted PDFs in the cloud. Only you and the authorized signer can access them.
Easy to use
Interface designed for accountants, lawyers, and real estate professionals. No learning curve.
Firmiu in action
Thousands of professionals already trust Firmiu
Accountants, lawyers and real estate professionals across Latin America use Firmiu to close deals faster.
+2,400
documents signed
98%
satisfaction rate
< 3 min
average signing time
Simple, transparent pricing
No hidden fees. Cancel anytime.
Free
- 3 documents / month
- 1 user
- Basic signature with audit
- Email support
Starter
- 30 documents / month
- 1 user
- Full audit + VPN detection
- Automatic reminders
- Priority support
Pro
- 100 documents / month
- 1 user
- Your logo on signing page
- Document templates
- Priority support
Business
- Unlimited documents
- Up to 5 users
- Public API + webhooks
- Dedicated account manager
- 24/7 support
What our users say
“It used to take days to get a client to sign. With Firmiu I solve it in minutes from my phone.”
María López
Independent accountant · Guatemala
“The legal validity and full audit trail give me peace of mind when presenting signed contracts to my clients.”
Carlos Ruiz
Corporate lawyer · Colombia
“We sign rental contracts without printing anything. Fast, professional, and my clients love it.”
Ana Martínez
Real estate coordinator · Costa Rica
Frequently asked questions
Everything you need to know about digital signing with Firmiu.
- Is the digital signature legally valid?
- Yes. Signatures generated by Firmiu are legally valid across Latin America in accordance with current electronic signature laws, including Argentina, Chile, Colombia, Costa Rica, Mexico, and more.
- Do I need to install any software?
- No. Firmiu works 100% in the browser. No software or plugins need to be installed on your computer or mobile device.
- How does the signer know the document is legitimate?
- The signer receives a 4-digit verification code by email. Only the person with that code can sign the document, guaranteeing its authenticity.
- What if the signer doesn't have a Firmiu account?
- The signer doesn't need to create an account. They receive the unique link by email and sign directly from the browser, without registering.
- How long does it take to sign a document?
- The entire process takes less than 2 minutes: the signer receives the email, opens the link, draws their signature, and enters the verification code.
- Can I sign from a mobile phone?
- Yes. The process is optimized for mobile devices. The signer can draw their signature with their finger directly on the touch screen.
- Where are my documents stored?
- Your documents are stored encrypted on secure servers with AES-256 encryption. Only you and authorized signers can access them.
- Can I try Firmiu for free?
- Yes. The free plan includes 3 documents per month with no credit card required. You can upgrade at any time when you need more capacity.
Ready to simplify your signatures?
Join hundreds of professionals already using Firmiu. No credit card required.