In the UK we have a "scores on the doors" system provided by local authority inspections and supported by a searchable web site and an IOS app. I use this largely for food deliveries when at a second home.

I always search before ordering and never order from anywhere less than a 4 or 5 rating. One place we had been ordering from for years was given a zero rating and that was soon notified by posters on Tripadvisor. It is a great incentive to improve cleanliness.

Some world class chefs have had poor ratings and a year or so back BA F and CCR lounges took a hit.

In Singapore, all food premises must prominently show their scores and it's a great way of using as a starting point for selecting hawker stalls or food centre stalls, and again we take that into account but of course you can see clearly with your own eyes how they are cooking.