It's sort of been done.
https://www.asgardsss.co.uk/bike-cycle-storage/1-to-2-bike-storage
Or a row of BLUC lockers or type locker would do the trick. The issue is getting the employer to swallow the bill and find the space.
We are quite fortunate in so much as we have showers, lockers and (now) a drying room. Many other places would need that additionally.
I'm sure the drying room will go down as one of my legacies......