We had AVPRO come and prewire our 140-year-old house that we were remodeling for sound, television, internet, and security.  When the remodel was about finished, AVPRO came and installed the final components for a Sonos sound system, wall-mounted TVs with surround sound, home office ethernet, cameras, and a home server.  Their work was spectacular, professionally completed, and beyond our expectations. And the cost was totally reasonable. I highly recommend AVPRO.