ISO 9001:2015 sets out the criteria for a quality management system. It can be used by any organization, large or small, regardless of its field of activity. In fact ISO 9001:2015 is implemented by over one million companies and organizations in over 170 countries.
ISO 14001:2015 sets out the criteria for an environmental management system. It maps out a framework that a company or organization can follow to set up an effective environmental management system.
ISO 45001:2018 specifies requirements for an occupational health and safety (OH&S) management system, and gives guidance for its use, to enable organizations to provide safe and healthy workplaces by preventing work-related injury and ill health, as well as by proactively improving its OH&S performance.
ISO 2200:2018 specifics requirements for any organization in the food industry, sets out the requirements for a food safety managmenet system. It defines what a firm must do to demonstrate its ability to control food safety hazards and ensure that food is safe for consumption.