An OPC is a good alternative to running a sole proprietorship, largely because it gives limited liability to the business owner. This means that your liability is limited to the amount you’ve invested in the business; business debts cannot be recovered from personal possessions. Also, a sole proprietorship ceases to exist on the death of its promoter. In the case of an OPC, the nominee director takes over and the entity continues to exist. Single entrepreneurs who do not have another partner to start a private limited company may also consider it.