ChatGPT Enterprise fits these requirements
At least one answer asks for something beyond a straightforward team workspace: identity-provider sign-on or formal offboarding, a security and procurement review, negotiated contract terms, enterprise deployment support, or custom integrations. That is an Enterprise conversation, not a decision based on how many people you have. Enterprise is sales-quoted. This result does not state a price, discount, or contract term.
Why this matches
One decisive governance, procurement, deployment, or integration answer is enough to move the recommendation from Business to Enterprise. A larger headcount without those answers would not, on its own, produce this result. The comparison page explains which controls are associated with Enterprise and which also appear on Business.
Limitations and when to reconsider
Enterprise adds a longer procurement path and a quoted commercial agreement. If the only needs are a shared workspace, a company administrator, and ordinary team billing, ChatGPT Business is usually the simpler fit. Highly regulated or conflicting answers should go to a consultation instead of an automatic plan choice. Confirm the current controls with OpenAI before you treat any feature as included.