One-shot e-signing according to eIDAS

Identification and one-time qualified or advanced electronic signature in Europe

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Over 100 partners across Europe and Switzerland trust our one-shot e-signature solutions.

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Product description

Digital business transactions in just a few clicks with Swisscom Trust Services

Digital business transactions in just a few clicks

Swisscom Trust Services' remote signature software offers eIDAS-compliant one-shot e-signatures. These signatures allow quick identification of individuals and the one-time use of a qualified or advanced e-signature. By utilizing our one-shot signatures, you can streamline Know-Your-Customer processes and enhance the conversion rate of business transactions, all while meeting the regulatory requirements of anti-money laundering laws.

Diverse selection of identification methods

Diverse selection of identification methods

To use the eIDAS-compliant one-shot e-signature, users undergo an identity verification process. After that, they can electronically sign a digital document once. Swisscom Trust Services offers a comprehensive range of verified identification methods through its trust platform. As a software partner or financial service provider, you can provide the appropriate identification method for your customers based on your KYC process, the applicable jurisdiction (EU or Switzerland), and the type of e-signature (qualified or advanced).


Ident-methods for eIDAS-signatures


Broker-orchestrated identification and e-signature by Swisscom Trust Services

Broker-orchestrated identification and e-signature

Our remote signature solution includes a broker that orchestrates between one-shot e-signatures and online identification methods for a signature application provider. The broker offers the appropriate identification method to the signer. Additionally, multiple identification methods can be used as a backup in succession if the initially selected method fails for the signer. Following the identification process, the user can authorize the e-signature.

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Explore the detailed architecture of our remote signature solution in this informative whitepaper.

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Popular features through the integration of the remote e-signature software

Pan-European certified solution

Our innovative remote e-signature solution, as the platform from a leading European provider, seamlessly integrates with the legal requirements of the EU/EEA and Switzerland. With our trust service or certification service accreditation, Swisscom Trust Services complies with the strict legal requirements of the EU eIDAS regulation and the Swiss Signature Act ZertES. Our solution lets you electronically sign confidential documents and contracts securely and legally, regardless of your jurisdiction.

Embedded signing software

Our embedded remote signature software offers a comprehensive orchestration of electronic signatures and online identification and authorization methods that can be seamlessly integrated into your signature application. With the remote e-signature solution, you can use white-labeling to benefit from our cutting-edge backend technologies while presenting your application to your customers. You can customize the solution to fit your use case and user experience, effectively meeting your customers' needs.


Only a hash value of the electronically signed document is transmitted during the signature process in an application. This ensures that Swisscom Trust Services never have access to the contents of the digital documents. The processing of digital identities for electronic signature purposes occurs in georedundant data centers in Switzerland. Unlike most others, Swisscom Trust Services is responsible for adequately issuing electronic signatures, timestamps, and certificates.

Audited and standardized

Our auditors continuously assess our processes and systems as an accredited certification service in Switzerland and a provider of trust services in the EU. All identification and authentication methods are approved according to the signature level (qualified or advanced) and in the legal jurisdictions of Switzerland and the EU. Furthermore, our signature solution adheres to the latest international standards, such as ETSI, ISO, RFC, Common Criteria, etc.

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Use cases for one-shot e-signatures

Opening bank accounts digitally

Opening bank accounts digitally

As digitalization advances in the financial sector, ene-shot e-signatures offer an innovative solution to efficiently and securely conduct identity verification during digital account opening while meeting the strict requirements of anti-money laundering laws. By utilizing this one-time electronic signature, banks can verify the authenticity of submitted documents and the identity of new customers in real time. This is achieved by integrating advanced identification methods, such as AI-driven Auto-Ident procedures and thorough documentation processes, ensuring compliance with AML regulations. This provides a high level of security and significantly simplifies and speeds up the account opening process for customers. With one-shot e-signatures, financial service providers are taking a crucial step towards a seamless digital future that does not compromise on combating money laundering.

Leasing contracts can now be concluded digitally

Leasing contracts can now be concluded digitally

In today's digital world, where speed and security are crucial in business transactions, one-shot e-signatures have emerged as an innovative solution for finalizing leasing contracts. This advanced technology allows contracts to be legally binding with a single electronic signature, speeding up the process and ensuring compliance with strict anti-money laundering regulations. By using one-shot e-signatures, leasing companies can efficiently verify the identity of the contracting parties and ensure that all transactions are transparent and traceable. This strengthens trust between parties and helps minimize the risk of fraud and money laundering. The seamless integration of modern identification methods into the signature process ensures compliance with AML regulations while enabling a straightforward and customer-friendly conclusion to leasing contracts. One-shot e-signatures thus represent a significant advancement in digital contract processing, elevating efficiency, security, and compliance to a new level.

Automation of customer due diligence processes

Automation of customer due diligence processes

Nowadays, security and compliance are top priorities in the digital space. Therefore, one-shot e-signatures offer an innovative Customer Due Diligence (CDD) process solution. This fast, secure, and compliant method for identity verification allows companies to quickly meet strict KYC requirements without compromising user-friendliness. By integrating one-shot e-signatures into the CDD process, businesses can verify the authenticity of their customers' identity documents in real time. Advanced encryption technologies and biometrics expedite the identification process and ensure maximum security and data protection. Clients benefit from a seamless and efficient experience that completes the cumbersome and paper-heavy customer verification process in minutes. One-shot e-signatures are thus the key to a modern, efficient, and secure CDD process that meets the demands of digital compliance.

Why Swisscom Trust Services

Swisscom Trust Services is an accredited trust service provider in Europe and a certification service provider in Switzerland. We assist software applications and solutions providers in digitizing the final steps of processes by seamlessly integrating our legally secure electronic signatures and seals. We take into account our clients' industry-specific and regulatory requirements.

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Qualified and advanced electronic signatures - recognized in the EU and EEA


Qualified and advanced electronic signatures - recognized in Switzerland


GDPR and FADP compliance

Protection of our customer's privacy and personal rights by the data protection requirements in the EU and Switzerland


Our standardized APIs leverage OIDC and OIDC-PAR/CIBA and meet the requirements of ETSI Standards TS 119 432 for remote signatures.

Discover how eIDAS-compliant one-shot e-signatures streamline our customers' user experience

Complete digital processes in the finance industry with RockON and Swisscom Trust Services.

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