Additional Seats.

Additional seats are available on Team, Business, and Enterprise tiers. Developer and Guardian are intentional single-seat tiers; they do not include the collaboration features (task delegation, role permissions, team dashboards) that make additional seats useful. Upgrading to Team is the path forward if you need to add users to a Developer or Guardian subscription.

Every added seat includes full access to the tier's capabilities: Rampart compliance work, Sentinel monitoring, Garrison inventory, Vanguard scanning, and the full AI credit allotment at the tier level. Per-user attribution flows through Citadel and audit trails so you can see who did what. There are no reduced-feature seats, no read-only seats, no viewer-only tiers. Every seat is a full seat.

Seats added mid-cycle are prorated to the end of the current billing period. Seats removed mid-cycle continue until the end of the current billing period and then stop. No annual commitment on add-on seats even when the base subscription is billed annually.

Add or remove seats directly from the billing console at any time. No sales call required. Changes take effect immediately for additions (prorated billing) and at the end of the billing period for removals.

Additional seats are part of the core subscription billing and ship with general availability. Early access participants can test seat expansion during pre-release to validate billing flows and seat assignment.