Your work is yours.
If your clients trusted you with their data, why is your workspace tool free to read it? Koaich is what changes when you decide your business deserves the same privacy property you ask your vendors for.
The contracts you write would be embarrassing if the vendor read them — and you can't verify that they don't.
Slack's engineers, Notion's support staff, Google Workspace administrators — each has the technical ability to read your business's most sensitive content. The privacy policy says they shouldn't. The architecture lets them.
The data your clients gave you is valuable — and they trusted you to treat it as such.
Patient records, financial details, legal strategy, candidate intel, pre-announcement business intelligence — your clients didn't hand it to you so you could put it on a tool whose vendor can read it. Architectural confidentiality is what their trust actually buys.
A subpoena to your workspace vendor shouldn't be able to yield your clients' cleartext content.
If a discovery motion or government request lands on Slack or Notion or Google — what they can produce is exactly what they hold readable. That's the entire workspace. Koaich produces ciphertext + metadata. The architectural ceiling is the legal-disclosure ceiling.
What your workspace tool actually does with the documents you upload.
The technical minimum to host a shared workspace is small: storage, sync, delivery. That's it. Most workspace tools do much more than that with your business's content — and none of the "more" is required to actually run the workspace.
Indexes every document for server-side search. Convenient for finding things; requires the vendor's systems to read the content of every document you upload. Not required to host the file.
Feeds your content into AI features. Notion AI, Slack AI, Microsoft Copilot — every "summarize my workspace" or "ask anything about your docs" feature reads your data to operate. Not required to host the workspace.
Builds an internal access surface. Support engineers can pull up your channel to debug a bug. Compliance teams can review content under specific procedures. None of which prevents content reads — they just log them. Not required to host the workspace.
Responds to legal demands with what it holds. Subpoenas to workspace vendors are routine. The disclosure produces what's technically available — which is everything the vendor can decrypt. Not required to host the workspace.
Can be compelled to retain content under hold. Litigation holds, regulatory requests, anti-spam machinery — all operate on the assumption that the vendor can read your data. Not required to host the workspace.
What changes when the vendor doesn't hold the keys.
Koaich is built from a different starting question. We ask what's actually needed to host a shared workspace — and stop there.
- · Index your content for server-side search
- · Feed your data to vendor AI features
- · Engineering + support have content access
- · Disclose cleartext content under subpoena
- · Vendor-managed retention applies to readable content
- · Customer-managed-key options gated behind enterprise tiers
- · Search runs on your device against decrypted data
- · AI features compose context client-side; vendor never sees content
- · Our engineers see ciphertext, exactly as an attacker would
- · Legal demands yield ciphertext + metadata; never content
- · You set retention; we hold what you keep
- · End-to-end at every surface by default, no enterprise tier required
The trade-off is real. Some features that require server-side decryption (cross-workspace AI summaries, vendor-side text indexing across years of history) become narrower in scope or live entirely on your device. For most professional work, that's a price worth paying.
Built for businesses where the client trusted you to keep their data confidential.
Law practices
Attorney-client privilege is a cryptography question, not just a policy one. Per-matter vault isolation. The vendor can't decrypt the matter file even under subpoena.
Read more →Healthcare practitioners
Therapy notes, intake forms, clinical communications. HIPAA's reasonable-safeguards interpretation gets stronger when the architecture enforces confidentiality, not just the policy.
Read more →Financial advisors + accountants
Tax returns, SSNs, account balances, K-1s. The exact data clients hand you because they have to — and trust you to treat as such. Per-client vault isolation.
Read more →Consulting practices
Engagement-specific client data on one workspace. Per-engagement vault isolation — Client A's data can't accidentally land in Client B's view, enforced at the encryption layer.
Read more →Creative agencies
Pre-release pitch decks, unreleased designs, embargo-sensitive client timelines. Encrypted file sharing, TTL on pre-release work, claim-once external delivery.
Read more →Startups + founders
Cap tables, term sheets, pre-announcement hires, board materials. Things that shouldn't sit in a vendor's cleartext data lake even briefly.
Read more →Small businesses (5–50 people)
Owner-operators consolidating Slack + Notion + Drive + Dropbox into one workspace — without giving the vendor the keys to read it. No enterprise tier required to get the property.
Read more →Side-by-side with the workspace tools your team uses: Slack, Notion, Google Workspace, Microsoft Teams, Discord. Comparison matrix, vendor-by-vendor positioning, and what each can produce under a subpoena.
Compare Koaich to your workspace tools →Your business deserves what you ask of your vendors.
Get on the Koaich waitlist. Inviting practices in waves; early seats prioritized for the personas above.