Some say it smells like rotting food, and others compare it to working in a tip.
The smell comes and goes - it's worse in the morning, awful after the rain, and enough to drive some people out of the office and right back home again.
But its source has been undeniable - it's coming from Goterra, the celebrated maggot-tech start-up launched a decade ago by entrepreneur and former ACT Australian of the Year Olympia Yarger.