If your site is lacking the traffic that you desire and your are currently in the market for Link Building / SEO Services, ShipleySEO.com is resource that I would recommend. Also, if you are currently working with an SEO agency and are not happy with the service be provided, see what ShipleySEO.com can possibly do, that the other agency you are currently paying for is not.
ShipleySEO.com specializes in "White Hat" Link Building & SEO Consulting. They offer a free site audit and will do a complete back link analysis, to see what you are missing and what should be in your profile.
If they are not able to provide the necessary service you desire, Brook (Owner) will be straight forward with you and tell you what he can and cannot provide.