Customer Liaison between company A and Clients.

I need help paraphrasing the following points for a resume:

•      Customer Liaison between company A and Clients.

•      Provide administrative Support to ensure efficient operation of office functions

•      Resolve administrative Problems.

•      Co-ordinate Office Procedures.

•      Handling and execution of Projects.

•      Computer data capturing. 

•      Maintain contacts list and ensure clients data is kept confidential