Earlier quoted context omitted.
Landlords won't generally let you make structural/material changes to a floorplan without a longterm lease to justify it. However, you can make some pretty snazzy temporary office space that doesn't require permanent modifications to the space using privacy walls and glass partitions[1]. From a structural standpoint, they're basically fancy cubicles, and made by the same companies as standard cubicles. The most damag…
What do they actually do for noise mitigation though? If people can't take calls in them without disrupting others, and if someone could theoretically still shout at their neighbor when they need to have a discussion it sounds less than ideal.
And with appropriate sound dampeners (either on the ceiling, as artwork or whatever on the walls, or a non-glass side), you keep the sound within one from echoing or sounding hollow. A few setups I've seen involved using opaque glass as a side/separator between alcoves, and hanging sound dampeners disguised as artwork on those walls. Another used faux-walls made out of the same material as traditional cubicles to separate each micro-office, and that material is designed expressly for sound dampening. And works really well if it's floor to ceiling.