Search engine optimisation

Hello freelancers! I am looking for help with my website's search engine optimisation. The current status of my website's SEO is average, but I am looking to improve it. I am in need of keyword research for my website, which is a small size. I also would like to look into other services such as backlink building and content optimisation to further enhance my website's SEO. If you think you have the experience and know-how to help me with this project, please reach out. I look forward to hearing from you!