To attract links to your website, the best thing to do is the following:
- Create useful, trustworthy, and valid content
- Improve the strength and popularity of your company
- Continual promote and advertise your company
- Be sure your content is seen by the correct audience
- Contribute content to other sites
- Link to other sites that get high traffic
There are more ways to get links to your website, but these are just a few. Once your website is seen as an authoritative and reliable source, it will become more popular and increase in traffic and links, and therefore your domain authority score will be higher.