https://moz.com/community/q/topic/58670/is-it-against-google-guidelines-to-use-third-party-review-sites-as-well-as-have-reviews-on-my-site-marked-up-with-schema
So, i look after a site for my family business. We have teamed up with the third party site TrustPilot because we like the way it enables us to send out...
third party reviewgoogleguidelinesuse
https://www.websiteplanet.com/website-builders/google-sites/?device=desktop&geo=us
Google Sites lacks advanced editing options, but it's a good choice for small businesses with basic project management needs. Learn more in this review.
google sites reviewgood option