• Targeted market exposure
• Worldwide exposure to people looking for the products or services you sell
• Is more cost effective that other conventional forms of marketing/ advertising
• Improved sales/ marketing efforts through targeted keyword phrases
• Results from SEO can last longer than other forms of optimization
• Over the long term, SEO is less costly that pay-per-click
• Ensures your website is both people and search engine friendly

Cons:

• Takes longer to set up, usually 30-90 days.
• Initially, it is hard to tell exactly how much exposure you will get
• Can require additional content and/ or changes to your website
• Results can't be guaranteed
• Requires ongoing maintenance