Hello ben.
I can help you to build a wordpress site with woocommerce similar to your current site.
I have 5 years experience in wordpress.
I have some question for postage options, the are able to set many postage options in woocommerce, but I need to make sure what you want, we can talk about this on chat.
There are somethings I need you to know, Wordpress is the Best SEO platform in originaly, we can just optimize it with tags and meta.
Hire me. I will love to work with you. i'l do my best.
Thank you
Mubarak