If the court has ruled that Company A has assisted your company in handling the property right change procedures of the house, you don't need the other party's assistance, and the other party's subject qualification has disappeared. You can sue the real estate department as long as you can provide the building with the relevant procedures for handling the permit and the real estate department will not change it.
Please contact me by phone or QQ for detailed questions.
Beijing Contract Dispute Lawyer from Liu Da
See Space or Baidu for contact information.