Peace within the operational chaos of documents.
If you are
agreed,
it's on D4Sign.
If you are
agreed,
it's on D4Sign.
From signing to document management. The platform that keeps your operation always moving.
From signing to document management. The platform that keeps your operation always moving.
From signing to document management. The platform that keeps your operation always moving.
Guaranteed legal validity
Guaranteed legal validity
+15 authentication points, including digital certificate
+15 authentication points, including digital certificate
AI that analyzes and organizes your documents for you
AI that analyzes and organizes your documents for you
Guaranteed legal validity
+15 authentication points, including digital certificate
AI that analyzes and organizes your documents for you
Try it without needing to enter your credit card · In less than 2 minutes
Savings of about 90% in electronic signature costs.
Ease of connection with Cury's technological ecosystem (Sienge ERP).
Legal, government relations, commercial, and HR use the platform.
75% reduction in AACD's annual signature costs.
52% reduction in costs with integration to internal systems via API and Premium Support.
+500K
Companies trust
+500K
Companies trust
Award support
Award support
NPS 74
Above-average satisfaction in SaaS
NPS 74
Above-average satisfaction in SaaS
ISO 27001
Security with global backing
ISO 27001
Security with global backing
how it works
The operational peace of mind your business needs
The operational peace of mind your business needs
Agile and bureaucracy-free, with all the control your operation demands.
From signature to complete document management.
Agile and bureaucracy-free, with all the control your operation demands.
From signature to complete document management.
Agile and bureaucracy-free, with all the control your operation demands.
From signature to complete document management.
Really fast
Send documents for signature in less than 2 minutes.
Send documents for signature in less than 2 minutes.
Less waiting, more
signed contracts
Automation that works for you
Automation that works for you
WhatsApp messaging and AI that summarizes, analyzes, and helps manage your contracts.
WhatsApp messaging and AI that summarizes, analyzes, and helps manage your contracts.
Never-ending space
Never-ending space
Unlimited AWS cloud storage for all your documents.
Unlimited AWS cloud storage for all your documents.
how it works
The operational peace of mind your business needs
Agile and bureaucracy-free, with all the control your operation demands.
From signature to complete document management.
Really fast
Send documents for signature in less than 2 minutes.
Less waiting, more
signed contracts
Automation that works for you
WhatsApp messaging and AI that summarizes, analyzes, and helps manage your contracts.
Never-ending space
Unlimited AWS cloud storage for all your documents.
Your documents are always secure
Your documents are always secure
Legal certainty and ISO 27001 certification. Real protection, with no fine print.
Legal certainty and ISO 27001 certification. Real protection, with no fine print.
NEVER LEFT WITHOUT SUPPORT
Grow at no additional cost
Grow at no additional cost
The only one with unlimited users: scale your team at no extra cost per employee.
The only one with unlimited users: scale your team at no extra cost per employee.
Except for the unlimited document plan.
Except for the unlimited document plan.
Efficient support
Efficient support
Service in Portuguese and winner of the 2024 Reclame Aqui Award.
Service in Portuguese and winner of the 2024 Reclame Aqui Award.
V
and
n
c
and
d
the
r
V
and
n
c
and
d
the
r
Your documents are always secure
Legal certainty and ISO 27001 certification. Real protection, with no fine print.
NEVER LEFT WITHOUT SUPPORT
Grow at no additional cost
The only one with unlimited users: scale your team at no extra cost per employee.
Efficient support
Service in Portuguese and winner of the 2024 Reclame Aqui Award.
V
and
n
c
and
d
the
r
+5.7M
+5.7M
+5.7M
+5.7M
active users
active users
+15
+15
+15
+15
points of
authentication
including digital certificate
including digital certificate
7x
7x
7x
7x
more
agility
more
agility
with D4Sign's AI
with D4Sign's AI
+160M
+160M
+160M
+160M
processed documents
processed documents
D4SIGN.AI
From now on, your documents work for you with D4Sign.AI
From now on, your documents work for you with D4Sign.AI
Contract management 7x faster. Analyze, extract data, create alerts, and generate document summaries. All with Artificial Intelligence.
Contract management 7x faster. Perform analyses, extract data, create alerts, and generate document summaries. All with Artificial Intelligence.
Joint document analysis:
Organize the reading of your entire document portfolio, view documents by analysis, navigate through groupings, and access consolidated indicators.
Summary
Contractual task management
Contractual risk management
The intelligent management of operational fluidity
Joint document analysis:
Organize the reading of your entire document portfolio, view documents by analysis, navigate through groupings, and access consolidated indicators.
Summary
Contractual task management
Contractual risk management
The intelligent management of operational fluidity
Joint document analysis:
Organize the reading of your entire document portfolio, view documents by analysis, navigate through groupings, and access consolidated indicators.
Summary
Contractual task management
Contractual risk management
The intelligent management of operational fluidity
HIGH LEVEL OF SECURITY
Infrastructure prepared to protect your documents
Infrastructure prepared to protect your documents
Infrastructure prepared to protect your documents
Protected documents with traceability, compliance, and a high-standard infrastructure of security, privacy, and governance.
Protected documents with traceability, compliance, and a high-standard infrastructure of security, privacy, and governance.
INFRASTRUCTURE
Amazon Web
Services
AWS
99.99% Uptime
Multiple regions
INFRASTRUCTURE
Amazon Web
Services
AWS
99.99% Uptime
Multiple regions
certification
ISO 27001
Certified
ISO 27001
Annual audit
Information security
certification
ISO 27001
Certified
ISO 27001
Annual audit
Information security
privacy
Full compliance with the LGPD
LGPD
Protected data
privacy
Full compliance with the LGPD
LGPD
Protected data
Secure migration, preserving your document history.
Secure migration, preserving your document history.
EASY MIGRATION
Migrate your documents to D4Sign
Migrate your documents to D4Sign
Switch platforms without losing any of your history. We migrate your documents securely and quickly,
so your operation can continue without interruption.
API and integrations
Integrate D4Sign with other platforms
Integrate D4Sign with other platforms
Specialized support in Portuguese, to integrate with the systems you already use.
Specialized support in Portuguese, to integrate with the systems you already use.
REST
Documented API
in PT-BR
REST
Documented API
in PT-BR
SSO
SAML 2.0
Azure & Google
SSO
SAML 2.0
Azure & Google
Sandbox
development
environment
Sandbox
development
environment
Integration compatible with the leading tools on the market.
Integration compatible with the leading tools on the market.
*Check available integrations
*Check available integrations
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
Fernanda Hoelz
Legal Executive
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.
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
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.
4.7
Google Rating
Google Rating
+1.3K
Google reviews
Google reviews
+80K
Active clients
Active clients
frequently asked questions
Everything you need to know, all in one place
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.
Content
DEVELOPERS
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.
Content
DEVELOPERS
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.
Content
DEVELOPERS
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