There are two ways to increase the Facebook likes one is natural way in this you have to post some quality post in your page and update it on regular basis, so that people are know about you and your services and get attached with it. Another way is to exchange the facebook likes with others. In this you can't get active Facebook user and in many case not in interested in your niche.
The fan page which had been created should have all the information regarding the business,company or product.Share pics,videos to your related audience and relevant groups.
- update your page regularly
- post interesting status wall
- invite more friends to like your page
- promote your page to other social networking sites
- advertise it to google adwords or Social ad (with pay)
- buy Facebook likes from freelancers on webs where rates are low, try SEOclerks.
Post some original and meaningful content with attractive images on your page on the regular basis in order to get more attention. Keep yourself active on the page.
You can increase your facebook page likes by posting some good and unique content. Also your page title, picture and cover should be more attractive. Try SEOclerks if you wanna buy facebook likes at a cheap rate.