Search Engine Marketing (SEM) is the wider discipline that incorporates Search Engine Optimization (SEO).
Paid advertising with AdWords or Bing Ads is used by Search Engine Marketing. There are various ways for Search Engine Marketing, one of them is pay per click that is suitable for local businesses as it enables potential customers to contact the local business directly with just one click. Additional ways for SEM are through submissions of articles, downloadable white papers, advertising and also making sure SEO is done.
SEM includes paid search results such as Google Adwords or Bing Ads and also organic search results through SEO. QTAT will assist you and devise a plan for the SEM to optimize results.
Analysis of keyword is done, not necessarily simultaneously both by SEM and SEO and both need to be updated and monitored frequently to reflect better results when searched for in the search engine(s).