Submit your plumber, air conditioning, dentist, pest control, etc. website to some website directories, but be cautious of link farms. Link farms will have more links than text, or at least a disproportionate amount of links to text. The right directories are relevant directories.
Find home improvement and ideally plumber, air conditioning, dentist, electrician and pest control ‘s directories. If you can find a directories for plumber, air conditioning, dentist, electrician and pest control s in your region, that is the right directory for you. You should find a handful of good directories, but be cautious of over-submitting, as Google doesn’t like that. Bookmarking your site on Digg and Del.icio.us can also help the Google ranking of your plumber, air conditioning, dentist, electrician and pest control website.
Do not worry too much about the design of your website, as it will not have a huge impact on your website. Make it user friendly and the design should do well. Avoid anything that will make your page load slower, though, as that can effect your Google ranking negatively. As long as your site is helpful for the searcher, Google will be happy with it.