What link exchanges will do is give your site credit for a backlink. You are reading an accounting document right now that was posted on an article website. Write original tax revenue content that provides information to anyone who wants to read it and includes a link to your site. Anything under 400 words does not get a lot of credit from search engines. Consulting policy documents can be started free of cost and contain links pointing back to your website. Consultants have control on their content and can put a link anywhere. Updating blogs is essential to having the content of the consulting firms ranked in search engines.