Search engine marketing

I have a business company, but efficiency was not well two months ago. at first , I didn’t make the search engine marketing . My friend said that the search engine marketing can help my company get more benefits. Because in this country all the companys were online business. Almost all the business companys made the search engine marketing. So I know why my company haven’t effciency .For the search engine marketing can help the company get more clients ,because it can be more easy to be found in the search engine like google or yahoo . But I didn’t made the search engine marketing , then I know how it important ,a month ago I fonud the seo-company named melongda , they made the serch engine marketing for me . Now my company get more benefits than before .