Electronic invoicing. The moment has come!

Don't let your company fall behind.

Comply with new legislation and protect the environment with a simple low cost solution.

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OWN, CONTROL AND PROTECT YOUR

DIGITAL IDENTITY

DigitalSign has the first and only Portuguese wallet with blockchain approved by the European Commission

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New Product!

Digitally sign pdf files and other formats with DS Sign&Go without the need for licenses and other applications.

Don't miss the launch campaign!

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New!

Qualified Service of Electronic Signature Validation

Find out whether or not the signature on a given electronic document is a qualified signature according to the eIDAS Regulation.

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Qualified Seal of Documents and Electronic Invoicing

Public Procurement


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Save time, money and be environmentally friendly

Guarantee the security of your organization documents with our eSeal solution.

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From governments to small and large companies across Europe

We provide critical e-signature solutions to support remote working

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CDQcloud
159€ + VAT
CDQ
140€ + VAT
CDA
70€ + VAT
certificado qualificado de faturacao eletronica
59€ + VAT
Selos Temporais
89€ + VAT
SSL
105€ + VAT

Certificates

 

Help

Qual Escolher?

You do not know what the most appropriate type of certificate for yourself or your company?

Use the assistant

Express Service

Prioritário

Do you have urgency in issuing your Qualified Digital Certificate?

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Support

Suporte

Need Technical Support? To better serve you, we offer a ticket System.

Support Center

We call!

Nós ligamos!

Want to contact Digitalsign? Ask for the contact and we will call you

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Featured products

Electronic Invoicing

Electronic Invoicing

Ensures compliance with e-invoicing law, allowing you to easily sign and share your invoices.

SigningDesk

Digital Signature Platform

Adopt electronic signatures with customers and partners with full legal value and great user experience.

Industries

Transversal solutions for all areas

We certify throughout Europe and Brazil

Mapa DigitalSign

Last News

Notícia 24-25 10 2025

DigitalSign Participates in the 10th Portuguese Notaries Conference and European Seminar

C 24-25 October 2025

DigitalSign was present as a partner at the 10th Portuguese Notaries Conference and European Seminar, organized by the Portuguese Notaries Association, held on October 24th and 25th at the Fundação Engenheiro António de Almeida in Porto. The event focused on the challenges of digitalizing notarial activities and the emerging landscape of digital credentials and electronic transactions...

Notícia 22-23 10 2025

DigitalSign at Portugal Digital Summit 2025: Digital Trust at the Core of Transformation

C 22-23 October 2025

We were present at the Portugal Digital Summit 2025, one of the largest national events dedicated to digital transformation, where we reinforced our commitment to accelerating the adoption of digital identity and electronic trust services in Portugal and across Europe. We leave this event with a clear message: the future of digital identity, digital trust and intelligent automation is not a distant vision — it is happening right now....

Notícia 22 10 2025

DigitalSign at the EU Digital Identity Wallets Forum in Berlin

C 22 October 2025

DigitalSign once again participated in the EU Digital Identity Wallets Forum, organized by the Global Trust Foundation in Berlin. The event brought together experts, policymakers, public and private entities, and key players in the digital identity ecosystem to discuss the future of digital identity wallets, regulatory developments, and emerging use cases across Europe....

Notícia 26 09 2025

Digitalsign Renews Certification As A Qualified Trust Service Provider

C 29 September 2025

DIGITALSIGN – Certificadora Digital, S.A., a Certification Authority (CA) accredited by the Autoridade Nacional de Segurança - Gabinete Nacional de Segurança (GNS), has renewed its certification as a Qualified Trust Service Provider, reinforcing its position as a national reference in the digital certification sector....

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