Hiring an SEO company:What you need to know about search engine optimization

Many people have tons of questions about SEO,but they spend hours and hours searching on google to find the answers :
Hope this vedio uploaded by: (Google bussiness chanel) answered your questions about hiring an SEO xompany , great informations about search engine optimization (SEO) ,what is SEO? , how much SEO cost? , Is an SEO company right for your business? and What are the right questions to ask before making the decision to hire an SEO company?

here is some useful questions from http://support.google.com/webmasters/

EX. of Some useful questions to ask an SEO include:

-Can you show me examples of your previous work and share some success stories?

-Do you follow the Google Webmaster Guidelines?

-Do you offer any online marketing services or advice to complement your organic search business?

-What kind of results do you expect to see, and in what timeframe? -How do you measure your success?

-What's your experience in my industry?

-What's your experience in my country/city?

-What's your experience developing international sites?

-What are your most important SEO techniques?

-How long have you been in business?

-How can I expect to communicate with you? Will you share with me all the changes you make to my site, and provide detailed information about your recommendations and the reasoning behind them?

hope my post give you the key to answer your questions,apreciate your +1