I see you’re here in the US, if you need an installer, you might want to see about Best Buy, or Google ‘stereo installers’. 
 

But unless you’re wanting to mount it on the wall, it’s pretty easy to add to your TV yourself, there’s just two cables, one power, which goes to the wall, and an HDMI cable that goes to the ARC port in your TV set. The Beam can then sit on the table that supports your TV set.