Yoast Plug in Wordpress setup and keyword research

Hello,

I have currently have a website in wordpress which has been created via a quality template and the company is a design/ marketing firm and we are looking at increase our seo through Yoast (Wordpress Plugin).

I need someone to configure the plugin to increase our enquiries through the website, keyword research will also needs to be used to ensure that website is ranking well.

Small budget but do have plenty of other sites for future projects.