Backlink for website

As the owner of a website, I am looking for someone to help increase my domain authority through a backlink generation strategy. Currently, my website's domain authority is in the 20-40 range. The backlinks I am looking for should be tailored to a specific industry, to help better target my desired audience. My preferred method of backlink acquisition is competitor backlink analysis, which will help me gain insights into my competitors’ strategies and better position my website against them.