Health and safety training should take place during working hours and it must not be paid for by employees. There are many external trainers who will be able to help you with your training needs but effective training can often be done ‘in house’.For more advice, see HSE’s leaflet Health and safety training: A brief guide.veryone who works for you needs to know how to work safely and without risks to health. You must provide clear instructions and information, and adequate training, for your employees. Consider how much training is necessary.