You are kind of correct but not completely. When you leave your position your clearance goes inactive. It can be picked up by another office and reactivated but only if it is not expired. If it is expired or even close to expiring, your new place of business will have to do a PR (Periodic Reinvestigation). They generally expire every 5 years.
To have a clearance (active) your business has to host the clearance and do the periodic security briefings while you need that access. When you no longer work there, the clearance goes inactive but it is still on the books. If a new company offers to host the clearance and has the facilities to do it your clearance can be reactivated (if you require that access).
You are kind of correct but not completely. When you leave your position your clearance goes inactive. It can be picked up by another office and reactivated but only if it is not expired. If it is expired or even close to expiring, your new place of business will have to do a PR (Periodic Reinvestigation). They generally expire every 5 years.
To have a clearance (active) your business has to host the clearance and do the periodic security briefings while you need that access. When you no longer work there, the clearance goes inactive but it is still on the books. If a new company offers to host the clearance and has the facilities to do it your clearance can be reactivated (if you require that access).