If that office also has to double as conference room, maybe add a screen divider on one side and divide the room with different mood lighting?
A nice solid plain table for four or six with electric outlets should be enough.
Just watched a video on feng shui and there is subliminally something to it.
They suggest adding plants, crystals, or mirrors in the deficient areas.
Arraignments can be soothing and functional, or they can block energy flow and feel off balance.
The size of the spaces did not seem to matter.
