set up woocommerce shipping and finish ecommerce site

we have a woocommerce website that is built to approx 75%, we require a shipping setup for Canada and usa shipping based out of Canada. we will need a plugin or api that can pull quotes with canada post for Canadian shipping and a dhl option for shipping to the usa.

we also require a tidy up of the site to get it to final completion ( clean up images banners etc)

we also require a easy to use and navigate mobile option that is simple for clients to use when adding to cart and checking out

current site is built with divi theme on wordpress