1.) Tell the audience up front why they should choose you. Make the list at the very beginning of the session as to why you are the better choice.
2.) Use the balance of the presentation to provide each of the key points.
3.) Close by re-stating why they should choose you.
This isn’t Mad Men where there is some dramatic “gotcha” moment at the end of the pitch and the client is so blown away they sign the big contract. Save the drama, and make certain that your compelling points are heard strong and clear.