SEO Marketing - Increase Traffic to site from Canada and US

We are looking for reliable SEO team to generate traffic to our website. Our target market is Canada and US. Help setup Wordpress SEO system that works. We would like to be able to generate the traffic from our website directly. In your bid private message please include the following: How fast can we see the traffic generated? What do you guarantee? What system do you recommend and why? This project we are looking at paying on a monthly basis. Please make sure in your bid you include "I understand your requirements". This proves to us that you read the description.