A cloud computing access gateway includes a cloud management module configured to store a cloud provider and information of a cloud computing service provided by the cloud provider. A user terminal interface module is configured to provide an interface with a user terminal, receive a service request indicating a cloud computing service from the user terminal, and send a result of the cloud computing service to the user terminal. A request analysis module is configured to analyze the received service request to identify the cloud computing service. A cloud selection module is configured to select a best cloud provider based on the cloud computing service. A cloud interface module is configured to provide an interface with the cloud provider, transmit the service request to the best cloud provider, and receive the result of the cloud computing service from the best cloud provider.