If you want to build credibility for your website, and thus for your products or services, you require services of expert professionals. You can get an affordable SEO company to work for you to provide you high ranking in search engine results. One of the many services provided by these companies is posting answers on various answer sites. These answers will contain your company name, and thus it will create a good image of your business. People will trust you more as a company with knowledge and experience in your field. If you sell a product, or provide services to people, then you can answer the questions of those who want knowledge regarding the products/services you provide. This will launch you as a mentor, and you would have a greater audience who would want to get answers from you.
If you think SEO is costly, you should think again- there are many companies that provide affordable SEO, which can fit your pockets.
The answers that these companies will provide at answer sites will contain links to your site, thus increasing the number of back links. This improves traffic to your website. So answering questions on answer sites and forums not just builds credibility, but also improves your page rank. If you do not want to hire a company, you can do it yourself. But it requires a lot of time, as you need to browse through the questions, and answer them with complete details to help the asker. If you do not give a good answer, and just provide a back link, your answer will be deleted as spam.
Thus by answering questions, an SEO company can improve your site rank, increase incoming traffic, develop customer trust, build your brand image by building your credibility, and thus make it easier for you to get higher revenues. You can contact an SEO company and ask about their services and charges. Generally they have various packages and you can select the package that best suits you. Though you can save a few bucks on some cheaper packages, but it is advisable to get best quality SEO than cheapest SEO.