Enterprise
Web Signer
Electronic signature solution for companies and institutions that require full data control.
Web Signer deploys directly in your infrastructure and integrates signatures into your existing ERP and DMS systems — supporting qualified signatures under eIDAS.
Signature infrastructure under your control
Enterprise Web Signer enables full integration of electronic signatures into your existing systems, processes, and workflows — with complete control over data and security.
Main benefits
Full control over data
On-premise deployment ensures documents, keys, and certificates remain in your infrastructure.
Flexibility and scalability
The solution adapts to your processes and grows with your signed document volume.
Fast integration
Connection to existing information systems, ERPs, and DMSs without major infrastructure changes.
Lower operating costs
Automation of signature processes reduces management and maintenance costs.
Modular architecture
Three modules,
one solution
Web Signer consists of three core modules covering the entire signature lifecycle — from creation to verification.
Signer
- Signatures on QSCD devices and eIDs
- Remote certificates via Virtual HSM API
- Customer's own HSM support
Validator
Backend module that validates the status, validity, and integrity of signed documents.
- Whether the document is signed
- Signature level and validity
- Document integrity (whether it was altered)
Viewer
Frontend module for end users to interact with Signer and Validator.
- Interface for signing and validation
- Graphical signature embedded into the document
- Custom design matching visual identity
Use cases
Custom-tailored solution
for various industries
The solution can be deployed and customized for a wide range of processes across industries.
Financial sector
High legal certainty without requiring face-to-face meetings.
Human Resources
Streamlining onboarding through document digitization.
Real Estate
Speeding up processes and contract documentation management.
Energy & Water Utilities
Paperless contracts and faster processes in energy and water utilities.
Legal
Moving legal actions to digital with 100% legal certainty.
Communication services
Easier signing of updates directly in the client portal.
Business Benefits
What deploying Web Signer
brings to your company
From cost savings to a better experience for signers — direct impact on daily operations.
Cost elimination
Eliminating printing, paper, and document archiving costs.
Improved UX
An easier and faster experience for everyone signing the document.
Process optimization
Speeding up work with contracts, forms, and other documents.
Easy integration
Connection to customer infrastructure and systems via API, with optional 2FA verification.
Technical Specifications
Full support
for eIDAS standards
Signature formats
Support for all common qualified signature formats.
INCLUDES:
- CAdES — for binary files
- XAdES — for XML documents
- PAdES — for PDF documents
- JAdES — for JSON data
Cryptographic standards
Compliance with international standards for advanced signatures..
INCLUDES:
- CMS, XML, PDF, JSON Advanced
- RFC 5280 — PKI infrastructure
- Time stamps according to EUTL
- OCSP validation according to RFC 6960
Cryptographic algorithms
Support for a wide range of signing and hashing algorithms.
INCLUDES:
- RSA, DSA, EC, ECDSA
- SHA-1 to SHA-512
- RIPEMD 128/160/256/320
- Any certificate authority
SUPPORTED FILE FORMATS
Documents
.PDF · .DOC · .DOCX
Spreadsheets
.XLSX · .XLSM
Images
.JPEG · .PNG
Qualified e-signature
Support for all signature levels (SES, AdES, QES) according to eIDAS.
Standardized API
Access to features via REST or SOAP interface.
QSCD & HSM devices
Compatibility with certified HSM and QSCD devices.
eIDAS compliance
In compliance with EU Regulation No. 910/2014 and Slovak legislation.
Real-time OCSP
Certificate validity verification according to RFC 6960.
Open architecture
Any certificate authority, multi-instance deployment for high availability.
References – selected projects
Trusted by companies
and institutions
OKTE
Regulated entity responsible for operating the electricity market in Slovakia.
- End-to-end management of signature processes
- Integration with DMS and virtual HSM
- Qualified signature and long-term archive
Tatraleasing
Reduced workload, lower hardware requirements, time and cost savings, and high legal certainty.
Medante
Digital signatures for medical documentation and contracts, implemented directly within the existing MEDANTE system.
Bratislava Water Company
Comprehensive signing solution and digitization of customer communication.
- Online access to forms and contracts
- Signing deployed on-premise and via API
- Signature pads and web application
What is the difference between Enterprise Web Signer and a SaaS API solution?
Web Signer runs directly within your infrastructure — data, keys, and certificates remain with you. Conversely, we host the SaaS API solution and you simply call it via an interface.
Does the solution support qualified electronic signatures (QES)?
Yes. Web Signer supports all eIDAS signature levels — from simple (SES) and advanced (AdES) to qualified (QES).
Can Web Signer be integrated with our DMS or ERP?
Yes, the solution integrates via API directly into existing information systems, ERPs, and DMSs — including connecting to your own HSM.
Is it possible to sign from a tablet in a branch office?
Yes, the solution can be expanded to include signature tablets (Android, iOS, and dedicated devices like Wacom) for signing applications, forms, and contracts directly at a branch.
How does two-factor authentication work?
Web Signer supports optional 2FA verification via SMS or email prior to signing the document.
Still have questions?
Feel free to ask — we will gladly advise you on selection and deployment.
Deploy Web Signer
in your infrastructure
We will prepare a price quote and a custom integration proposal for your environment — with no obligation.
Related solutions
Other modules
from the Enterprise ecosystem
Enterprise PKI API
Signing module without its own interface — embeddable directly into your applications.
PKI · Integration
Enterprise Archive
On-premise document archiving with issued certificates, integrable with any DMS.
Archive
Enterprise RemoteHSM
On-site HSM virtualization for Portal, PKI API, and Archive with a secure connection.
Infrastructure