How to punish the next property company to move in early before the property contract expires?

Liability for breach of contract and administrative punishment.

1. Liability for breach of contract: The original property company may require the property company that moved in early to bear the corresponding liability for breach of contract, pay liquidated damages and compensate for losses.

2. Administrative penalty: The behavior of the next property company moving in early violates the provisions of relevant laws and regulations and will face administrative penalty. The relevant departments can be ordered to stop the illegal acts and impose penalties such as fines and revocation of business licenses.