1) Website must be user friendly or Improve your website’s user experience.
2) Content must be great optimized for Searching.
3) Proper back links.
4) Improve your page speed.
5) Use alt tag with images and more use of h1 and h2 tag.
6) Optimize for google business page upload picture of your service on business page and get more review.
7) Optimize Your Website for Voice Search.
8) Connect your website with social media platform.