Peace within the operational chaos of documents.

A contract is the

A contract is the

A contract is the

system

system

nervous system

nervous

nervous

of your operation

of your operation

of your operation

Governance, integration, and security for businesses that cannot stop.

Governance, integration, and security for companies that can't stop.

ISO 27001 Certification

The only platform with unlimited users

Premium Support

Assisted migration, with no downtime

Consultative service, no obligation.

Companies operating at scale trust D4Sign

Since 2024 we have been part of the Zucchetti group, an Italian giant with 45 years in the market and one of the largest software houses in Europe.

HOW IT WORKS

For every bottleneck, a concrete solution.

For every bottleneck, a concrete solution.

See in practice how our intelligence optimizes your contract management.

High costs

High prices, limited features, and extra charges for each new functionality.

Tailor-made plans

Platform with unlimited users. You only pay for what actually makes sense for your business.

Growing faster than the infrastructure

Limited storage and users, multi-location management.

Unlimited storage

AWS infrastructure ready for you to scale without restrictions.

Generic and inefficient support

Limited contact channels, slow response times and support

without context of your business.

Limited contact channels, slow response times and support
without context of your business.

Help.AI + Premium Support

Agile resolution on the platform and a direct channel with our team.

Vulnerable security

Vulnerable infrastructure and uncontrolled access management.

ISO 27001 + 15 authentication points

End-to-end audit trail for complete control of the operation.

Full control over documents

Vaults, area-based permissions, and an end-to-end audit trail.

More than a subscription

A single platform for all stages of your operation

A single platform for all stages of your operation

Centralize all stages in a single platform. From creation to contract termination, without relying on parallel systems.

By company area

HR

  • Labor contracts

  • Terminations

  • Equipment loans

Marketing

  • Image use terms

  • Partnership agreements

  • Vendor contracts

Commercial

  • Service provision agreements 

  • Purchase orders 

  • Commercial proposal

IT

  • Non-disclosure agreements

  • Software licensing agreements

  • SLAs with service providers

Financial

  • Insurance

  • Credit hiring

  • Loan agreements

Legal

  • Powers of Attorney

  • Certificates

  • Judicial Settlements

Administrative

  • Space lease agreements

  • Purchase and sale orders

  • Internal terms and authorizations

Contract lifecycle management

A signed contract is just the beginning of a complete management cycle.

Template bank

Centralize comments, changes, and negotiation history directly within the platform.

HTML and Word templates

Create contract templates only once with custom fields.

New power form

Delegate the filling of details (such as name, CNPJ, and address) to the signers before they sign, and speed up the closing of agreements.

Contract management

Full control over documents:

  • Expiration alerts.

  • Record of negotiation values.

  • Clear view of dates, pending items, and signature status.

D4Sign.AI

Decision support, without replacing the analysis of the person responsible for the contract

Summary

Generate automatic summaries with identification of the parties involved, the object of the contract, general conditions, and an executive summary.

Chat

Ask free questions about the content of the document.



Customize filters*

Use pre-indexed or user-created filters, serving as a basis for the analyses.

Joint document analysis*

Organize the reading of your entire document portfolio, view documents by analysis, navigate through groupings, and access consolidated indicators.

Contractual task management*

Update the status, take notes, and track in real time.

Contractual risk management*

Query CPF and CNPJ data and generate risk recommendations to support safer decisions.

*Our AI does not replace the reading and analysis by the person responsible for the contract.

*Coming soon.

Security and compliance

Everything that sustains trust in every contract

Everything that sustains trust in every contract

Authentication, legal validity, and infrastructure, evaluated with the rigor that large corporations demand.

Authentication

You choose the right level of security, according to the risk of each contract

ICP-Brasil digital certificate

Access code

Pix

WhatsApp

D4Sign Score

SMS Token

Selfie

Email

Video selfie

Login and password

CPF

IP

Official document attachment

Geolocation

Reduce risk of fraud

Validate the signer's identity

Full operation traceability

Legal validity

Authenticity

Securely confirms the identity of the signer.

Integrity

Certifies that the content has not undergone any modification.

Non-repudiation

It ensures legal and evidentiary validity, preventing the repudiation of the bond established between the parties.

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

Infrastructure

Multiple layers of protection, from integrity hash to Trust ID

Infrastructure

Amazon Web Services

High-availability cloud storage.

Certification

ISO 27001

Independent audit in information security.

Privacy

Compliance with the LGPD

Processing of personal data in accordance with the law.

Frictionless implementation

Getting it up and running shouldn't be the hard part

Getting it up and running shouldn't be the hard part

Robust API to connect everything, assisted migration to bring your history. No operational downtime.

ROBUST APIS

Grow with flexibility, your way

Your company changes, and so do your processes. With our APIs, you can build a tailor-made agreement solution for electronic signatures and contract lifecycle management, without relying on a closed package.

REST

Documented API

in PT-BR

SSO

SAML 2.0

Azure & Google

Sandbox

development

environment

Pipedrive*

RD Station CRM*

Brand

Zapier

Google Workspace*

Bitrix24*

Bird ID

N8N

HubSpot

Coupa*

Claude*

ChatGPT*

Ploomes

Projuris*

Salesforce*

Microsoft Workspace (Microsoft 365)*

*Coming soon

ASSISTED MIGRATION

Your history is a very valuable asset

Switching providers shouldn't mean risking years of documents. We migrate your collection with technical monitoring from start to finish.

No manual download

Everything moves via API, with end-to-end security.

Non-stop operation

Real-time monitoring by the IT team.

Specialized team

Technical alignments with your team.

Legal validity preserved

Same legal validity as before.

Those who use it, approve

Companies operating at scale trust D4Sign

Enterprise-scale companies rely on

D4Sign

Simple to migrate, easy to use. Peace in operational chaos.

Simple to migrate, easy to use. Peace in operational chaos.

Retail and Franchising

Financial

Technology

Social

Civil Construction

Media

Education

It is very important to have a partner who listens to the client and seeks customized solutions. This is exactly what Inter values in each supplier, and this collaborative space was one of D4Sign's key differentiators.

Matheus Rodrigues

LGCO Ops.

Retail and Franchising

Financial

Technology

Social

Civil Construction

Media

Education

It is very important to have a partner who listens to the client and seeks customized solutions. This is exactly what Inter values in each supplier, and this collaborative space was one of D4Sign's key differentiators.

Matheus Rodrigues

LGCO Ops.

Retail and Franchising

We saved about 90% in electronic signature costs, which represents approximately R$ 72,000 per year. In addition, we reduced the average signing time from weeks to days or even hours.

Fernanda Hoelz

Legal Executive

4.7

Google Rating

4.7

Google Rating

+1.3K

Google reviews

+1.3K

Google reviews

+80K

Active clients

+80K

Active clients

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?

If it's agreed upon, it's on D4Sign.

Paulista Ave, 1439 - Suite 12
Bela Vista, São Paulo - SP
ZIP Code 01311-200

2026 · ©D4S Serviços em Tecnologia · A Zucchetti Group company

All rights reserved

If it's agreed upon, it's on D4Sign.



Paulista Avenue, 1439 - Suite 12 - Bela Vista, São Paulo - SP - Zip Code 01311-200

2026 ©D4S Serviços em Tecnologia, a Zucchetti company.

All rights reserved.

If it's agreed upon, it's on D4Sign.

Paulista Ave, 1439 - Suite 12
Bela Vista, São Paulo - SP
ZIP Code 01311-200

2026 · ©D4S Serviços em Tecnologia · A Zucchetti Group company

All rights reserved