Beside using some techniques like SEO or SEM, you should list your website hyperlink in some articles. For example, you can create an account on Medium which is a website you can create your own blogs. Then write blogs related to your business as well as your company introduction. Remember to use key words to help customers easily find you.

Moreover, I think you should create your own community like on Facebook or Telegram or even Youtube, to interact with your users.

Hope this would be useful for you.