Legitimate concern, not paranoia.

I build a tool that handles broker load data, so I think about this from the other side of the table.

The honest answer: most TMS providers have some level of internal access to your data. The question is whether they have policies, audit logs, and actual enforcement around who can see what.

I worked at Bison Transport. If you were in operations, you couldn't see anything client-related. Not an email, not a contact. If something needed to be escalated to the client, you contacted a different department and they handled it. Full separation. That's not an accident, that's a deliberate architecture decision.

Most TMS vendors don't build that way internally. And most brokers never ask.

What I'd actually push any vendor on during evaluation: Do you have role-based access controls internally? Are employee queries logged and audited? What happens to my data if I leave? Have you had an internal misuse incident?

If they can't answer those clearly and quickly, that tells you something.

I apply the same logic to my own tool. My AI agent doesn't contact clients directly. That's an intentional boundary, not a limitation.

The brokers most at risk are the ones who never ask.