SwissSign Signature Service
Qualified electronic signatures under Swiss law from a Swiss Post trust service provider.
- Swiss CompanyThe operating company is headquartered and legally incorporated in Switzerland.
- Swiss OwnedThe ultimate controlling owner is Swiss (Swiss persons, companies, foundations or public bodies).
- Swiss DevelopedThe product is primarily developed by a team operating from Switzerland.
- Hosted in SwitzerlandCore customer data and workloads are hosted in Switzerland by default.
- Swiss InfrastructureHosted in Switzerland on infrastructure operated by a Swiss-owned provider (or the company itself) — not a foreign hyperscaler.
- Self-hostableCan be installed on your own servers or on-premises.
swisssign.com
Overview
SwissSign’s signature service lets people and organisations sign PDF documents electronically. SwissSign AG, a subsidiary of Swiss Post, is a certification service provider recognised in Switzerland under the Federal Act on Electronic Signatures (ZertES/ESigA) and issues the qualified certificates itself, generating the signing keys in a hardware security module. Under Swiss law, a qualified electronic signature with a qualified time stamp is equivalent to a handwritten signature. Business customers can also use simple electronic signatures issued in SwissSign’s name. Signatures can be created in a web-based signing room, integrated into business applications through a REST API, or run in an on-premises setup.
Qualified signatures require a SwissID account at the appropriate security level and a secure second factor, such as a smartphone running iOS 17.6 or Android 9 or later, to trigger each signature. Signers must first verify their identity in person or through an equivalent online process, using a passport or an identity card recognised in Switzerland; the identification is valid for five years. SwissSign states that its signatures are certified under ZertES and the EU eIDAS regulation, but it lists eIDAS signatures in the web service as planned, so documents governed by other countries’ law may not meet local formal requirements.
SwissSign states that its infrastructure is self-managed and located only in Switzerland, and that it is ISO/IEC 27001 certified. Signature data and identification records are kept for 11 years after the certificates expire. Individuals buy prepaid signature packages in CHF, which expire after 24 months; organisations can choose per-user or volume-based plans.
Why it may be a Swiss alternative
SwissSign Signature Service is operated by SwissSign AG, which is headquartered in Glattbrugg, Zurich. Swiss-headquartered, Swiss-owned company; product developed (wholly or largely) in Switzerland.
According to the information we found, core customer data is hosted in Switzerland.
May replace
- DocusignDocusign, Inc. · USFocused on qualified signatures under Swiss law; signers need a SwissID account, and agreement workflow and contract management features are not listed.
- Adobe Acrobat SignAdobe Inc. · USFocused on qualified signatures under Swiss law; eIDAS signatures in the web service are listed as planned.
Foreign products with overlapping functionality. An alternative is not necessarily a one-to-one replacement.
Swiss footprint
Five independent questions. A Swiss company is not automatically Swiss-hosted — and vice versa. How the footprint is assessed
Swiss native. Swiss-headquartered, Swiss-owned company; product developed (wholly or largely) in Switzerland.
- HeadquartersIs the operating company headquartered in Switzerland?
- Glattbrugg, Zurich (ZH), SwitzerlandVerified[1]
The registered municipality is Opfikon; the address is Sägereistrasse 25, 8152 Glattbrugg. SwissSign also has a branch in Lausanne, registered in December 2022.
- Legal jurisdiction
- OwnershipIs the company ultimately Swiss-owned?
- Yes — Die Schweizerische Post AG (Swiss Post) · SwitzerlandVendor claim[3]
Swiss Post increased its stake in the former joint venture SwissSign Group AG from 17 per cent to full ownership with effect from 1 October 2021 and runs it as an independent subsidiary. The register does not publish SwissSign AG's shareholders; SwissSign presents itself as a data security specialist by Swiss Post. Swiss Post is owned by the Swiss Confederation.
- DevelopmentIs the product developed in Switzerland?
- YesInferred[6]
SwissSign lists only Glattbrugg and Lausanne as company locations and describes its infrastructure as self-managed; whether parts of the software development are outsourced is not published.
- HostingIs customer data hosted in Switzerland?
- Yes — SwitzerlandVendor claim[6]
SwissSign states that its self-managed, geo-redundant infrastructure is located exclusively in Switzerland and that certificate and customer data are processed only in Swiss data centres. The data-centre facility operators are not named.
- InfrastructureIs the hosting infrastructure operated by a Swiss-owned provider?
Features & platforms
- Platforms
- Deployment
- Made for
- Interface languages
- Unknown / not verified
Privacy & security
- Multi-factor authentication
- Yes
- Public API
- Yes
- Not verified
- End-to-end encryption, Encryption at rest, Encryption in transit, Single sign-on (SAML/OIDC), SCIM provisioning and Data export
- Certifications
Pricing
- Pricing model
- Usage-based
- Free plan
- No
- Free trial
- Unknown / not verified
- Enterprise plan
- Yes
- Billing in CHF
- Yes
Prices checked 15 Oct 2026. Always confirm on the vendor’s site. Pricing page ↗
Open source
- Open source
- NoInferred
Proprietary service; no source code is published.
Company
Swiss Post subsidiary in Glattbrugg and a recognised trust service provider for certificates, electronic signatures and the SwissID login.
Similar Swiss products
E-signatures (SES, AES, QES) with local document processing and optional E2E encryption.
Swiss company
- Swiss Data Option
E-SignaturesPaidSimple, advanced and qualified e-signatures under ZertES and eIDAS, hosted in Switzerland.
Swiss native
- Hosted in Switzerland
- Free Plan
- Self-hostable
E-SignaturesFreemiumElectronic signatures (SES, AES, QES) under Swiss ZertES and EU eIDAS rules.
Swiss company
- Hosted in Switzerland
E-SignaturesPaid
Sources & verification
Every claim on this page is marked as verified, vendor claim or inferred. Unknown means we could not confirm it — not that the answer is “no”.
- Verified Confirmed by an independent or official source such as the commercial register.
- Vendor claim Stated by the vendor in its own documentation, website or legal terms.
- Inferred Derived by the editors from indirect evidence — see the note.
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SwissSign AG
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