A brand means the business’s “identity” and branding is just as important for small businesses as it is for big names. Your brand is the sum total of the experiences your customers and potential customers have with your company. A strong brand communicates what your company does, how it does it, and at the same time, establishes trust and credibility.
A fantastic tool to build your brand is Google+ and at the same time work on your SEO. See 22 reasons to use Google+ by Luis Galarza, one of them - if not the most important - is to improve your search engine ranking.