Hazard analysis asks you to think logically about what might go wrong with the food that you sell and what you must do to ensure it is safe for your customers. It is based on food safety practices that you will already be familiar with.
Hazard analysis help to prevent problems, rather than reacting to them after they have happened.
Why do a hazard analysis?
Is it is legal requirement for all food businesses if your business is taken to court you may be able to demonstrate that you had exercised diligence through arrangements in place to prevent an offence being committed it helps ensure food is safe for customers to eat.