Features
What you can do with Letro.
From verified first contact to the exported record: one Swiss platform for the whole exchange.
To: DE 2031 · Urgent · Notify every 2 days
01 · Letters
Send letters that prove themselves.
Formal correspondence, end-to-end encrypted, with delivery and read receipts on a timestamped, tamper-evident record.
02 · Identity
Know exactly who you're dealing with.
Every account is a PostNumber, issued once after passport verification. No anonymous accounts. No impersonation.
CH 2047 · Encrypted
Temporary room · closes automatically after 3 days
03 · External reach
Your clients don't need Letro.
Address anyone by email. They open a temporary room, free, no account required. You keep the record.
04 · Casework
Keep every case in one thread.
Workspaces gather the letters, messages, files and calls for each mandate: one place, shared with the right people.
4 Workspaces · Aurora Capital · 8 members
Group conversations
Encrypted threads for a team, a client or a matter.
Voice & video calls
Call from the conversation; the case stays in one place.
Read receipts
See who read what, and when, per person.
Pinned messages
Keep decisions and key files at the top.
Encrypted file exchange
Documents travel inside the thread, never as attachments.
Phone, laptop and phone · one account, one record
05 · Devices
Work from any device.
iPhone, iPad, Android and the web app: same account, same encryption, same record everywhere you work.
06 · Governance
Model your firm, not just chats.
Departments, legal entities, teams and external counterparties, with roles, approvals and policy-driven workflows.
Permissions · Roles: Admins, Moderators, Members
Seen by · Daniel Weber · 28 Jun, 14:32
07 · Records
Produce the record in minutes.
A timestamped audit trail of every exchange: retained ten years, exportable as evidence, in every plan.
08 · AI
Draft with AI, in preview.
Letro AI drafts, summarises and organises correspondence. On Dedicated and Sovereign, it runs inside your own infrastructure.
Letro AI · In preview
09 · Deployment
From Swiss cloud to air-gapped.
Shared Swiss infrastructure, an isolated homeserver, or entirely your own hardware. The product stays the same.
Compare deployment models →Cloud
Shared infrastructure hosted in Switzerland. Running in minutes.
Dedicated
Your own isolated homeserver, run and maintained by Letro.
Sovereign
Your infrastructure, in your jurisdiction, up to fully air-gapped.