Private File Exchange Build Pack

File exchange with partners — without ever leaving your own AWS.

Quoted individually 2–3 months No per-seat fees

The Dead Ends This Solves

What It Can Do

Pick only what you need, from a feature set proven in an enterprise deployment.

01Expiring links & guests

Partners exchange files via expiring links — no signup.

02SSO & MFA

Integrated with your existing identity (e.g., Keycloak).

03Audit trail

Every upload, download, and link issue is logged.

04S3-backed storage

Effectively unlimited, encrypted, lifecycle-managed.

05Outlook add-in

Auto-replace attachments with links — habits unchanged.

06Mobile

Mobile access where the workflow needs it.

vs. External SaaS

Data location Data never leaves your AWS account.
Cost model Build cost + AWS usage — no per-seat fees.
Audit logs Retention and format under your own policy.
Customization The requirements SaaS says no to.
Not a fit Honestly: small standard use cases are better served by SaaS — we'll tell you.

Delivery Flow

STEP 0・無料

Requirements

1〜2回の打ち合わせ

Free — scoping and honest SaaS comparison.

STEP 1

Design & PoC

2〜4週間

Working proof of the core flow.

STEP 2

Build & test

4〜8週間

Build, integrate, and roll out by department.

STEP 3

Handover

1〜2週間

Runbooks and admin training.

FAQ

Size limits?
Effectively none — S3-backed, pay for what you use.
Per-seat fees for guests?
None — that's the point.
Can you migrate from our current SaaS?
Yes, migration can be in scope.
Who runs it afterwards?
You can, or we can — your choice.
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First, Let's Decide If You Even Need This

If SaaS fits you better, we'll say so.

Discuss Requirements — Free