Redo my website

I am looking to redo my website. I am currently on Squarespace and I was told I should be using something better. I would like my website to be able to work better with Google ads I have a low score because I built it myself. I am open to switching to a new platform. I am looking for someone who knows what they're doing and can help me get this set up correctly from the beginning adding all the tags in SEO and different things that need to be put into the website. I'm looking for someone who can help me get it all set up and then maybe as we go maybe they can help me add pages in or make changes here there in the future.