inSign
🇩🇪 DE · from 90 €/user/mo
4.9/5· 11 reviews
German eIDAS-compliant e-signature platform with ISO 27001 and EU-only hosting
Replaces
inSign is sought as a European alternative to:
Features
Signature Types
- Simple electronic signature (SES) via name input
- Advanced electronic signature (AES) via name input + TAN (mobile number)
- Advanced electronic signature (AES) with biometric handwritten signature
- Qualified electronic signature (QES) via certificate (surcharge applies)
- Signature image or company stamp
- Native mobile app for signing (iOS, Android)
Workflow & Processes
- Request signatures with or without predefined order
- Approval and authorization workflows
- Process delegation and observation
- Batch and multi-signature support
- Serial processes for sequential signing
- Set validity periods and expiry dates for documents
Document Management
- Form editor for preparing documents with signature fields
- Task overview for pending signatures
- Document templates for recurring use
- Electronic archive for signed documents
Security & Compliance
- GDPR-compliant, data processing exclusively in Germany/EU
- Protection against manipulation (documents locked after first signature)
- Certificate-based encryption/decryption of biometric signature data (private key held by German notary)
- Authenticity verification tool for signed documents
Integration & Customization
- REST-API (inSign connect) for software and web portal integration
- Microsoft Add-ins for Word, Excel, and Outlook
- SAP Connector for direct integration
- Support for signature pads
- Single Sign-On (SSO) for user authentication
- Customizable design, texts, and functions (license-dependent)
Pricing
- All-in-one cloud solution with electronic archive
- Microsoft Add-ins included
- Unlimited signatures
- Free trial available (no credit card required)
- Discounted rate for annual commitment
- Same features as monthly plan
- Minimum contract term: 12 months
- REST-API for integration into software, CRM, or archiving systems
- Usage-based pricing (depends on company size and requirements)
- Customized solution for complex requirements
- Available as SaaS or On-Premises
- Unlimited application possibilities
Pricing for API and enterprise plans varies based on usage, company size, and custom requirements. Electronic seal service available as separate offering (pricing on request).
EU Trust Profile
What we verified against public sources, last checked 2026-08-14. Every point links to its evidence.
- Evidence →EU data residency
Customer data is processed exclusively on servers located in Germany.
- Evidence →Data Processing Agreement (DPA)
The Data Processing Agreement (DPA) is publicly available as a downloadable document.
- Evidence →Public sub-processor list
The sub-processor list is included in the Data Processing Agreement (DPA).
- Evidence →Trust center / security page
A dedicated legal and data protection page serves as the trust center.
- Evidence →ISO 27001
The company and its servers are ISO 27001 certified with full scope.
- Evidence →Local-language support
Support and resources are available in German.
We list only what we could verify against a public source on the check date. A point that is absent was not established either way — it is not a finding against the vendor. The vendor's own information prevails.
Work at inSign?
This badge is free for every vendor we list and has no bearing on the order of any list. It is issued on the basis of a verified European headquarters (DE) and the compliance points we checked against public sources — the date on it is the date we last checked.
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Reviews
Recurring themes, synthesized from public reviews across portals.
What users value
- Intuitive and user-friendly interface, accessible even for non-technical users
- Efficient and legally secure digital signature workflow, reducing turnaround times and paperwork
- Responsive and helpful customer support with quick issue resolution
- Flexible handling of multiple signers and various signature types
- Reliable performance with smooth operation for digital signature management
Ratings across portals
Linked facts, we bring ratings from every portal together in one place.
Integrations
Feature, pricing and integration details are based on web research (as of 2026-06-21), without guarantee, errors are possible. The vendor's website prevails.