The opposite of what you did, since it was not ethical for you to plug your company when posting this question.
Ethical SEO is naturally building backlinks because the content and quality of your site is outstanding, and not paying for backlinks or participating in any other tactics that Google might consider questionable.
Ethical search engines optimization is all about optimising a website for visitors, not for search engines. But yes, we can't forget that we are optimizing for website's search engines rankings. In this way, we need to use only ethical methods and white hat seo techniques.
Its better to avail the affordable SEO services to get good rank of your site in cheap packages.