Insign

What Insign does

Insign (legally inSign GmbH) is a German electronic signature software provider headquartered in Marzling and operating as a subsidiary of Swiss software conglomerate BSI Business Systems Integration AG. The company has operated in the e-signature market for over 15 years and self-claims the #1 position in Germany with signatures processed for more than 10 million users. Its portfolio is built around three primary commercial products — inSign 365 (a ready-to-use web application for SMBs and individuals priced at €24–26.90 per user per month), inSign connect (a REST API integration license with usage-based pricing for software vendors and enterprise developers), and inSign enterprise (a customizable on-premises or SaaS deployment for large organizations with individual pricing) — plus an add-on electronic seal service (inSign Siegel) and Microsoft Word/Excel add-ins. The underlying platform supports all three eIDAS signature levels (simple EES, advanced FES with biometric handwritten capture, and qualified QES) within a single document, uses RSA-3072 and NIST P-384 encryption, and is certified to ISO 27001, BSI C5, and Software Made/Hosted in Germany standards, with 100% data residency in German data centers.

The business model combines three distinct go-to-market motions: a product-led growth motion for SMBs and freelancers (self-serve signup, 30-day free trial without credit card, fair-use of 100 signatures per user per month); an enterprise field-sales motion staffed by named experts René Urban and Ulrich Reuss targeting insurance, banking, and regulated industries; and an API-first developer motion leveraging a public sandbox and GitHub documentation to enable ISV and enterprise integrations. Customers span insurance (Debeka, ARAG, HDI, R+V, Merkur, LVM, Die Mobiliar), financial services (Česká spořitelna, Finanzguru), retail (Intersport, EDEKA-Versicherungsdienst), energy (RheinEnergie AG), and telecommunications (Leonet), with reported customer outcomes including 25x faster workflows, 90% fewer signature returners, and 80% of signature processes completed within one day. The platform also extends into Switzerland under ZertES compliance via getinsign.ch. Insign generates revenue primarily through recurring subscriptions (inSign 365, inSign enterprise), usage-based API licensing (inSign connect), and ancillary fees for SMS delivery and electronic seals, with no external venture funding disclosed and full operational backing from its Swiss parent.

Name

Insign

Legal name

inSign GmbH

Website

https://getinsign.de

Company type

Private

Founded year

2008

Operating status

Operating

Headcount range

11–50 employees

Short description

Insign (inSign GmbH) is a German eIDAS-compliant electronic signature platform offering web (inSign 365), API (inSign connect), and on-premises (inSign enterprise) products, serving SMBs, regulated enterprises (especially insurance), and developers with full German data residency.

Ownership category

akta.pro rank

Product category

Electronic Signature Software

NAICS

Software Publishers (5132), Custom Computer Programming Services (541511)

SIC

Services-Computer Programming Services (7371), Services-Computer Programming, Data Processing, Etc. (7370)

akta.pro primary industry

E-Signature & Digital Transaction Management (DTM) (HDAEAGAF)

akta.pro secondary industries

eSignature, Forms & Digital Workflow Platforms (HDAEAHAJ), Identity Verification & Digital ID (IDV, eIDAS, biometrics) (FSAGAFAA)

Keywords

• Electronic signature software
• Digital signature solutions
• E-signature platform
• Electronic signature API
• Qualified electronic signature

Headquarters

HQ city

Marzling

HQ country

Germany

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Software

Cost components

Technology or R&D, Personnel, Infrastructure, Marketing or Sales, Operations

Revenue model

1. inSign 365 Subscription: Monthly or annual subscription model with per-user pricing. Includes all signature types (EES, FES, QES at extra cost), electronic archive, Microsoft Add-ins, and SMS notifications. Fair-use policy of 100 signatures/month per user.
2. inSign connect (API) Licensing: API-based licensing for software integration. Usage-based pricing dependent on volume. SaaS solution with REST API interface included in German data center hosting.
3. inSign enterprise Licensing: Custom enterprise licensing for comprehensive requirements. On-premises or SaaS deployment options. Individual pricing models based on customer requirements. Customization and integration services included.
4. Electronic Seal Service (inSign Siegel): Document sealing service with API control for company documents. Proves document creator authenticity and ensures document integrity (authenticity and integrity).
5. SMS Notifications: SMS-based password delivery included in inSign 365, available at extra cost for API and enterprise tiers.

Pricing tiers

Go-to-market motion3 records

Distribution channels4 records

Marketing channels6 records

Core offering

inSign provides GDPR-compliant electronic signature software sold under four product lines: inSign 365 (standalone SaaS web application for individuals and small teams at €24/user/month), inSign connect (REST API licensing for software integrations with usage-based pricing), inSign enterprise (custom on-premises or SaaS deployment with individual pricing), and inSign Siegel (electronic document sealing service with API control). All products support eIDAS-compliant EES, FES, and QES signature types and are hosted exclusively in German data centers.

Product overview

Insign offers a portfolio of four main electronic signature solutions under the inSign brand. inSign 365 is the standalone web application for end users; inSign connect provides REST API integration for developers and ISVs; inSign enterprise offers fully customizable on-premises or cloud deployment for large organizations; and inSign Siegel adds document sealing capabilities. All products support EES (Namenseingabe), FES (handschriftliche Unterschrift), and QES signature types. Microsoft Office Add-ins for Word and Excel extend the product into desktop productivity tools.

Differentiator

Problem solved

Functional benefit

Brands

• inSign 365: Ready-to-use web application for electronic signatures - standalone SaaS solution for individual users and small teams
• inSign connect
• inSign enterprise
• inSign Siegel

Products and services

• inSign 365 Ready-to-use standalone SaaS web application for collecting electronic signatures, designed for individual users and small teams. Includes all signature types (EES, FES, with QES available at an additional fee), an electronic archive, Microsoft Office Add-ins for Word and Excel, and SMS notifications. Priced at €24 per user per month (annual) or €26.90 per user per month (monthly), with a 12-month minimum contract and a fair-use policy of 100 signatures per month per user.
• inSign connect API integration license that enables developers to embed inSign's electronic signature capabilities into third-party software, portals, CRM systems, and archive systems via a REST API interface. Operated as a SaaS solution hosted in German data centers, with usage-based pricing dependent on volume.
• inSign enterprise Enterprise-grade electronic signature license for organizations with comprehensive requirements. Supports both on-premises deployment and SaaS options, with full customization of design, text, and functions. Includes individual pricing models based on customer requirements, customization and integration services, and optional dedicated mail server, SMS provider, and electronic archive.
• inSign Siegel Electronic seal service for company documents, controlled via API, that proves the identity of the document creator and ensures document authenticity and integrity. Applied to documents at the company level rather than at individual signer level.

Quantifiable outcome

• 25x faster signature workflows
• +5 more outcomes

Named customers21 records

Segments3 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

Integration3 records

AI capability4 records

Feature8 records

Scale indicators8 records

Recent moves6 records

Expansion highlights5 records

Regional players

• FP Sign: Austria-based eIDAS-compliant e-signature solution from Fabasoft, targeting public sector, banking, and insurance customers in the DACH region. Comparable regulatory and customer-segment overlap with Insign enterprise.
• Yousign: France-based eIDAS-compliant e-signature platform serving SMBs and enterprises. Competes with Insign for European enterprise signature deals but primarily in the French-speaking market, making it a regional rather than direct DACH competitor.
• Universign: French eIDAS-compliant electronic signature provider offering QES and timestamping services. Comparable to Insign's regulatory positioning, primarily competing in the French-speaking European market.

Direct peers

• Skribble: Swiss-headquartered electronic signature provider with QES support under ZertES/eIDAS, directly overlapping Insign's DACH-centric, regulation-led positioning and enterprise customer base in Switzerland and Germany.
• signrequest: European e-signature SaaS provider with API offering, competing for SMB and mid-market signature workflows similar to inSign 365 and inSign connect, with comparable self-serve and developer-led GTM motions.
• DocuSign: Global leader in electronic signature and agreement cloud, offering eSignature, CLM, and Identity verification. Directly competes with Insign across enterprise and SMB segments, particularly as DocuSign expands its eIDAS-compliant capabilities in Europe.
• Dropbox Sign (formerly HelloSign): Developer-friendly e-signature API and SMB web app targeting similar PLG and embedded signing use cases as inSign 365 and inSign connect. Direct overlap in API-first GTM and small-team workflows.

Emerging players

• DocuWare: German document management and workflow automation vendor with embedded e-signature capabilities. Overlaps with Insign's enterprise and API play in the DACH region, particularly among organizations seeking combined DMS and signing workflows.

Broad incumbents

• Adobe Acrobat Sign: Adobe's enterprise e-signature product bundled with Acrobat and the broader Document Cloud platform. Comparable to Insign's enterprise and API tiers, with deeper PDF/Office document workflows but less localized data sovereignty emphasis.
• Box Sign: E-signature capability from Box's content cloud, bundled with cloud content management. Adjacent competitor to Insign's enterprise and API offerings, particularly for organizations already standardized on Box for document storage.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• GitHubgithub.com/getinsign
• LinkedInlinkedin.com/company/insign-gmbh

Compliance7 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Insign