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Citadel Exchange
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Citadel Exchange

Client exchange without email risk.

Sealed rooms for contracts, documents, and messages — only you and your counterpart hold the keys.

Create secure workspaceSee how it works

Only you and your counterpart can read what’s exchanged. Citadel never holds the keys.

Read the Trust centre →

  • Private messaging

    Realtime conversation with your counterpart inside a dedicated exchange room — not a shared inbox.

  • Document exchange

    Upload contracts and files that decrypt only for room members. Optional expiry revokes access later.

  • Paired workspaces

    Admins create client ↔ agent rooms and invite people in. They cannot open the contents of those rooms.

Plans from solo practice to firm scale

Start free. Upgrade when you add clients or teammates — security included on every plan.

See pricing

Built so the server can’t read your exchanges.

  1. You create an account
    Your browser prepares private access for this device. Your password keeps that access locked to you.
  2. You’re invited into a room
    An admin pairs you with a client or agent. Only members of that room can read what you exchange.
  3. Everything stays private in transit and at rest
    Messages and files are protected before they leave your browser. Storage and backups stay opaque to the server.