# Create a Controller

Controllers are smart contracts that contain logic which can be used by Safety Modules to determine when to allow assets to be tapped. 

Controller factories provide an easy way to create new controller contracts programmatically, without the need to implement any custom controller logic. The following controller factories exist:

* [Ownable Controller Factory](https://csm-docs.cozy.finance/developer-guides/create-a-controller/ownable-controller-factory)