The problem: a monthly audit cannot describe a month
A hygiene audit is a sample of one morning. Kitchens know when it is coming, and the site looks its best that day. What happens on a wet Saturday night with two staff absent and a queue at the counter is unrecorded. For a multi-outlet brand this is a serious blind spot: the risk to the brand comes from the worst shift at the weakest outlet, and that is precisely the shift nobody observes.
The behaviours that cause incidents are also mundane and repetitive — gloves not changed between raw and cooked handling, hair cover pushed back, handwash skipped during a rush, cold storage left open, a mop used in a preparation zone, cleaning signed off without being done. Each is easy to see on camera and almost impossible to catch with periodic inspection.