100 Pages On Pages SEO + Website Optimization for Mobile and Desktop

I am looking for someone experience who can help us with one of our project
needs the following

On Page SEO for Targeting keywords ( Yoast Premium is already installed)
Improve Page speed for desktop and mobile
Improve the load time
Fix all the errors in the website
Content optimization
structure optimization if needed
remove un needed plugins
Only Quality SEO by keeping the contents and keyword we want

Website PCPLUSCOMPUTING.COM

if interested give me detail report of seo and time it will take
we are looking for quality work
if interested please send me message