A sweet shop in Dublin and supermarket in Limerick were among those ordered to close last month
Twelve food businesses were ordered to close in May for breaches of food safety legislation.
Six orders were served under the Food Safety Authority of Ireland Act, while the remainder came under EC regulations.
Little Acorns Country Bakery in Navan, Co Meath was prosecuted last month by the HSE for breaches in food safety.
The six businesses served closure orders under the FSAI Act were:
The six food businesses served under EC orders were:
Dr Pamela Byrne of the FSAI said: “It is particularly important during the summer months that all food businesses adhere to the strictest food safety measures. A rise in temperature during warm weather increases the potential for the bugs to multiply which can cause food poisoning.
"It is vital that food is chilled and stored at the correct temperature in line with best food safety practices," she added.