im having trouble getting my site to the top of google, can anyone please help?

[Graham]

im trying to get my website noticed and get my business website more hits. i really want to be at the top of google and yahoo. i have entered my business on a few directories i have also done my keywords but not sure how good they are or if iv done this correctly. i have also done a you tube video and a facebook page and ran £100 worth of google adds but still have no luck. im using joomla website and im trying to learn what it is i need to do, i see alot about meta tags seperating words by tags etc but not to sure what its all about. id be very gratful if someone out there could give me some advice. my website is http://www.premier-remapping.com thanks everyone in advance for your suggestions....