Nothing there requires a licensed electrician. And just a guess neither of the two men will be electricians. If and when the dealer needs an electrician my guess would be he has an electrical contractor he uses.
1 Remove existing receiver, DVD player, VCR. Install new components and speakers.
2 Pull new HDMI and CAT6 cables to TV location
3 Pull new sub cable to under TV location
4 Pull new speaker cables to front Atmos position. Use existing Sonance for rear Atmos.
5 Remove Samsung TV and mount new 4K Sony TV
6 Install new 4K AppleTV for Theater, existing AppleTVs for zone music playback
7 Bypass inwall volume controls
8 Program Universal Remote Control for Zone 2 (master bedroom
9 Install surrounds and wireless system.
10 Mount existing Samsung in Son's room
11 Calibrate System
12 Train client on Sony Web interface for zone use.
As a rule low voltage communication/data cable installers are paid about half of what an electrician is paid.
Note: There are good and bad low voltage cable installers just like there are good and bad electricians.