That's why pretty much every office space/building over here has cable trunking/channels on the walls instead of fixed wiring, eg:
https://www.elba.si/izdelki/parapetni-kanali/
https://www.obo.si/izdelki/izdelkiinstalacije-v-zgradbah/bis...
Need one more outlet? Remove the plastic cover, insert cable, insert outlet, cut the plastic cover to make space for outlet, and you're done.