Inhubber (key2contract GmbH)
- Software Manufacturer
- Software Vendor
Inhubber (key4contract GmbH) is a Berlin-based provider of an AI-powered Contract Lifecycle Management (CLM) and eSignature platform. The solution helps businesses and public sector organizations securely create, manage, analyze, and legally sign contracts throughout their entire lifecycle.
Inhubber combines contract creation, collaboration, approval workflows, electronic signatures, deadline and task management, and intelligent reminders in one centralized platform. AI-powered capabilities automatically analyze contracts, generate summaries, extract metadata, identify legal and financial risks, and support compliance with regulatory requirements.
The platform supports all eIDAS-compliant electronic signature levels (EES, AES/FES, and QES) and provides ISO 27001-certified security, end-to-end encryption, two-factor authentication, blockchain-secured audit trails, OCR, full-text search, role-based access control, and multi-tenancy. Organizations can deploy Inhubber either as a secure cloud solution or on-premises.
With comprehensive APIs and integrations, including Microsoft 365 and SharePoint, Inhubber fits seamlessly into existing IT environments. The platform is used internationally across industries such as real estate, procurement, energy, manufacturing, healthcare, finance, and the public sector. Its goal is to make contract processes more secure, efficient, and transparent—from contract creation and negotiation to signing, archiving, and ongoing obligation tracking.
• Contract Lifecycle Management (CLM) & eSignatures (SaaS)
• AI-powered contract analysis, metadata extraction, contract summaries & risk detection
• Automated workflows, approval processes, templates & version control
• Deadline, task & calendar management with reminders and escalations
• Role-based access control, multi-tenancy & blockchain-secured audit trails
• End-to-end encryption, ISO 27001-certified security & GDPR compliance
• OCR, full-text search & centralized contract repository
• Integrations: Microsoft 365, SharePoint & REST API
• Supplier, customer & enterprise contract management
• Cloud and on-premises deployment
• Implementation, data migration, training & support
• Industries: Public Sector, Real Estate, Procurement, Energy, Manufacturing, Healthcare & Professional Services
Public sector & municipal utilities: Stadtwerke Penzberg; Stadtwerke Clausthal-Zellerfeld; Verbraucherzentrale Rheinland-Pfalz; Planetarium Hamburg; digital@M.
Industry, retail & services: OECD; SHARP/NEC; EDEKA Foodservice / Handelshof; apetito; Ankerkraut; rebuy; Fahrrad XXL; Deutsche Investment; TIER; MAAG Recycling; Haus & Grund; Angermann; tti Gruppe; Ansorge Logistik; IhreApotheken; MÜNCH ENERGIE.
Focus areas: CLM & eSignature, reminders & tasks, roles & permissions, Microsoft 365/SharePoint integration.
Additional references across DACH/EU available on request.
Inhubber is a German-developed platform for digital contract management and electronic signatures. It combines AI-powered analysis with blockchain technology to ensure secure, transparent, and tamper-proof contract management.
Security: GDPR-compliant data hosting in Europe with state-of-the-art encryption.
Efficiency: Automatic contract indexing allows users to find any content within seconds.
Transparency: Deadlines, obligations, and payments are monitored automatically.
Collaboration: Multiple users can work on contracts simultaneously with role-based permissions.
Inhubber is designed for startups, SMEs, public institutions, and global enterprises. It is especially valuable in industries such as manufacturing, energy, healthcare, education, and government, where compliance and deadline management are critical.
Yes. We offer a free trial where you can experience core features such as electronic signing, AI-supported search, and deadline monitoring. This allows you to evaluate how Inhubber can improve your processes.
Yes, all electronic signatures comply with the EU eIDAS regulation and are legally binding. Additionally, blockchain ensures that each signature and contract modification is tamper-proof and verifiable.
Inhubber integrates seamlessly with:
Microsoft SharePoint (direct import/export of documents)
ERP/CRM systems such as SAP and Salesforce
Cloud storage like OneDrive and Google Drive
This ensures smooth workflows without media disruptions.
The platform ensures audit-proof archiving, detailed activity logs, and strict access controls. This helps companies comply with internal policies, legal requirements, and industry-specific regulations.
Security is at the heart of Inhubber:
GDPR compliance: All data is hosted in the EU.
End-to-end encryption: Documents are protected during storage and transfer.
Blockchain-based security: Every signature and modification is immutably recorded on the blockchain, ensuring tamper-proof documentation.
Role-based access: Only authorized users can view or edit contracts.
Blockchain is used to securely record signatures and contract changes:
Each action (signature, upload, modification) is cryptographically stored.
An immutable audit trail is created, admissible as legal evidence.
This guarantees maximum transparency and trust for all parties.
AI-driven contract recognition (automatic extraction of key terms).
Blockchain-secured audit trail for legal reliability.
Automated deadline & payment reminders.
Seamless integrations with existing IT systems.
Audit-proof archiving of all contracts.
Blockchain-backed evidence of every action.
Automated activity logs for audits and compliance checks.
High transparency on contract status, deadlines, and responsibilities.