Common in April to see them together, was a morning with quite low temperatures
determination not 100% safe, but with the help of a spider expert, who also knows the area, we agreed on that it is quite likely this species.
The wasp came into the department through the open terrace door. Don't know if the spider was caught inside or brought there.
Luckily I had my camera with me that day and the wasp was so busy that it was just ignoring me
The pompilid wasp is in this observation:
https://www.inaturalist.org/observations/12946827