Electronic and digital signatures to formalize contracts without friction. Send, sign, and track every agreement in one place.
Send and sign in just a few clicks
+15 authentication points, including digital certificate
Complete tracking, from shipment to closure
ISO 27001 certified data protection
*Test without needing to enter your credit card · In less than 2 minutes
The cost that chaos hides
It's not just wasted time. It's the sale that goes cold while the contract awaits signature, the employee who isn't hired in time, the supplier who signs with another company. The manual signing process has a cost that doesn't show up in the budget, but does show up in the bottom line.
8.6%
of lost annual revenue
According to research by World Commerce & Contracting, companies lose, on average, 8.6% of their annual revenue due to inefficient contract management, reaching over 15% in more complex sectors.
97%
faster
This is the boost in agility that D4Sign's electronic signature can bring to your process.
80%
most economical
The potential savings that D4Sign's electronic signature can bring, compared to the traditional method.
In addition to signing faster, your operation also gains in management: D4Sign.AI is up to 7x faster than manual management, speeding up the reading and analysis of contracts.
In practice
Send and sign documents in minutes, anytime and anywhere, with security and recognized legal validity.
Then just add who is going to sign and choose the extra authentication.
Authentication points
Authentication points that guarantee the identity of the person signing the document.
*D4Sign Score, WhatsApp, and SMS have an additional cost.
LEGAL VALIDITY
Electronic and digital signatures are legally valid as long as they meet three fundamental requirements:
Authenticity
Confirms the identity of the person signing
Integrity
Certifies that the file was not altered after being signed
Non-repudiation
Prevents the disputing of authorship
Provisional Measure 2.200-2/2001
Law 14,063/2020
Law 14,620/2023
Decree No. 10,543/2020
Law No. 11,419/2006
Code of Civil Procedure, Art. 441
UNDERSTAND THE DIFFERENCE
Basic data, such as email and CPF.
Routine and low-risk documents, such as
reports and equipment delivery terms.
Direct link to the document, such as Pix, WhatsApp, selfie, and official documents.
frequently asked questions
If you still have questions, the answer is here
Who is D4Sign for?
D4Sign serves everything from small businesses to large operations that need to sign, manage, and automate documents securely.
Is an electronic signature legally valid?
What is the difference between an electronic signature and a digital signature?
Is D4Sign compliant with the LGPD?
What does the ISO 27001 certification prove about D4Sign's information security?
How are shipments charged?
Do authentications have any extra cost?
Are users unlimited?
Free 30-day trial, no credit card required
No commitment
Support in Portuguese
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