I am an expert in this field. UI/UX design, Internet marking etc. Hand coded tons of websites, designed tons, made a lot of money in my life doing this.
Basic run down of the home page. Might look into the internal pages later.
Your black first section is good,
Who we are is good
Knowledge is good
The professional, payments whatever section needs to be removed.
Replace that section with faces, 5 star reviews, testimonials.
Lets get started is good.
Contact us is redundent, remove it
Learn more text should say “Get Started” and take you directly to a conversion page. Minimize their time on your site where they can’t directly convert. If anything is on your site that does not relate to a conversion, get rid of it.
About page should be removed. Replace it with testimonials
The home link in the navigation should be removed.
Links should be
Residential , commercial , quotes … logo … Testimonials , before/after, shop should be contact.
Shop makes it seem like you are a store. Get rid of more and keep options minimal and centered around conversions.