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DirectoryIT & CommunicationIT Consulting & ServicesSchindellegiLetro Tech GmbH
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Letro Tech GmbH

Summary

About the company

Letro Tech GmbH provides a solution for formal digital communication for enterprises, institutions, and governments. The platform includes LetroLetters for verifiable end-to-end encrypted letters, a digital identity feature with PostNumber and blockchain-based proofs, and integrations with CRM/ERP systems plus organizational access controls.

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Products & services

Industry:IT Consulting & Services
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Software Development
✓ Offered8
Formal communication platform
Secure formal communication for businesses, institutions and authorities with end-to-end encryption, verified identity, access control and audit trails.
Private and isolated deployment
Deployment in managed cloud, private cloud, on-premise or air-gapped environments with control over operations, network boundaries and synchronisation.
Data sovereignty and data residency
Align communication data by geography, operator, jurisdiction and governance model; private or federated environments depending on regulatory requirements.
Digital identity verification (PostNumber)
Verified digital identity with PostNumber, passport scan via NFC, zero-knowledge proofs and protection against spam and identity misuse.
Signature capture
Collect digital signatures directly in messages and documents, with verifiable and auditable signatures for contracts, agreements and other important documents.
Secure real-time communication
Encrypted text communication as well as video and voice calls for formal workflows, including organisational structure and role-based usage.
Document management
Automatically capture incoming documents in an inbox, with folders, favourites and quick filing for identity and form processes.
Governance and access control
Role-based access, approvals, escalations and policy-driven workflows for organisation-aware formal communication.
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Location

Chaltenbodenstrasse 8
8834 Schindellegi

At a glance

Legal form
Limited Liability Company
UID
CHE-278.825.335
Founded
2024 · 2 years
Last commercial register change
May 13, 2025
Employees
1 to 10

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