Invite All Your Friends
Inviting your family and friends is the easiest way to increase your following so this should be your first step.
Invite your Customers and Contacts to Like Your Page
If you have an email list, contact customers and ask if they can like your page. Make it easy by providing link to your page. https://www.facebook.com/Socialscool/
Comment on other active Pages as your Page
Get better visibility by commenting on popular posts as your Page.
Repost from your page to a Group Page
By clicking on the date/time of a post from your page, it will open in another tab with an option to share with a group.
Competition
Holding a competition is one of the most popular methods of growing a Facebook Page. Eg a free audit of their current Social Media
Add your Page to your Email signature
By adding link to your email signature, it makes it easy for someone to connect
Paid Advertising
You can target your Facebook Ads to your perfect customer by using the Demographics and Interests area and use keywords. You can run a highly targeted campaign to ensure you ads are only put in front of your ideal customer