Google has redefined Search Engine Optimization with a set of webmaster tools which will help your company or orgranization achieve acheive outstanding reports what issues prevent your website from ranking higher organically.
Google has provided excellent tools to support updating and managing SEO on your existing site. A site’s position in Google’s search results are based on a number of factors to provide end-users with accurate search results.
Sites’ positions in our search results are determined based on a number of factors designed to provide end-users with helpful, accurate search results. These factors are explained in more detail at http://www.google.com/technology/index.html.
The Google Webmaster tool does an excellent job in itemizing when a) Googlebot last accessed your page and b) which site maps are included in Google’s index. Additional Google provides a comprehensive diagnostics tests to determine a) meta description issues, b) title tag discreptancies such as missing and duplicate title tags and even information on mobile crawl and web crawl issues.
One of the most powerful aspects of the tool is a list of keywords the Googlebot has indentified on the site. See image below.
Googlebot_and_keywords 

Other excellent resources include:

Analyze robots.txt
See whether your robots.txt file blocks specific URLs as is, or with modifications you make. Test against various Google user-agents, too.

Generate robots.txt
Interactively create a robots.txt file to indicate which robots you don’t want crawling your site, and which files or directories you don’t want crawled.

Set geographic target
Associate a particular geographic location with this site if you are targeting users within that area.

Enhanced image search
Enable Google’s enhanced search for images on your site, including advanced labeling techniques for images hosted by Google.

Manage site verification
See all verified owners of this site, and optionally reverify them.

Set crawl rate
See statistics about how often Google crawls your site, and optionally adjust that speed if desired.

Set preferred domain
Associate a preferred domain with this site, to always or never show the leading “www.” in Google’s search results.

Remove URLs
Remove content from the Google index, including expediting that removal.

This toolset is invaluable to support SEO within your company and managing related information to provide Search Engine Optimization within hyour company. For a tour of the full features visit Google WebMaster Tools.