What Are the Different Types of ISO Certifications? Complete List

Introduction

If you run a business or work in any industry, you have likely heard the term “ISO certification.” But what does it actually mean, and what are the different types of ISO certifications available?

ISO stands for the International Organization for Standardization, an independent, non-governmental body that develops international standards used by organizations worldwide. These standards apply to businesses of all sizes, across all industries, in every part of the world.

Getting ISO certified shows your customers, partners, and regulators that your business meets globally recognized standards. It builds trust, opens new markets, and gives you a competitive edge. If you want to understand how the process works step by step, you can visit our ISO certification services page to see how we help businesses get certified quickly and efficiently.

In this article, you will find a complete list of ISO certifications, simple explanations of each, and answers to common questions about ISO standards.

How Many ISO Certifications Are There?

One of the most common questions people ask is: how many ISO certifications are there?

As of today, the International Organization for Standardization has published more than 24,000 international standards. These standards cover almost every industry imaginable, including manufacturing, healthcare, food safety, information technology, energy management, and environmental management.

However, not all of these are certifiable standards. Businesses can only get formally certified against a specific group of standards that include certification requirements. The most widely pursued certifications number around 20 to 30, though the full list of ISO certifications spans hundreds of categories.

Each standard is designed to solve a specific business or industry problem. Some focus on quality management. Others address environmental responsibility, data security, or occupational health. Choosing the right type of ISO certification depends on your industry, your goals, and your customer requirements.

Why Do Businesses Pursue ISO Certification?

Before diving into the full list, it helps to understand why businesses invest in ISO certification in the first place.

Here are the main reasons:

  • It demonstrates a commitment to quality and continuous improvement
  • It helps businesses win new contracts, especially with government bodies or large corporations
  • It reduces operational risks and improves internal processes
  • It builds customer confidence and brand credibility
  • It supports compliance with legal and regulatory requirements
  • It opens doors to international markets

Now, let us look at the different types of ISO standards and what each one covers.

Complete List of ISO Certifications

ISO 9001 – Quality Management System

ISO 9001 is the most well-known and widely used ISO standard in the world. It sets out the requirements for a quality management system (QMS). Any organization, regardless of size or industry, can apply for ISO 9001 certification.

The standard focuses on meeting customer expectations, delivering consistent quality, and continuously improving processes. Over one million organizations in more than 170 countries hold ISO 9001 certification.

To learn more about how we help businesses achieve this standard, read our detailed guide on ISO 9001 Quality Management System certification.

ISO 14001 – Environmental Management System

ISO 14001 helps organizations manage their environmental responsibilities in a structured way. It provides a framework for reducing waste, lowering carbon emissions, and improving sustainability practices.

Businesses that want to show environmental responsibility or meet regulatory requirements often pursue this certification. It is relevant to manufacturers, construction companies, service providers, and many others.

You can find out more about the requirements and benefits of this standard on our ISO 14001 Environmental Management certification page.

ISO 45001 – Occupational Health and Safety Management System

ISO 45001 is the international standard for occupational health and safety. It helps organizations create safer workplaces by identifying risks, reducing accidents, and protecting the wellbeing of employees and contractors.

This standard replaced the older OHSAS 18001 standard and is now the global benchmark for workplace safety management.

Visit our ISO 45001 Health and Safety Management page to learn how we support businesses in building safer workplaces.

ISO 27001 – Information Security Management System

ISO 27001 is the leading standard for information security management. It helps organizations protect sensitive data, manage cybersecurity risks, and secure information assets.

As data breaches become more common, ISO 27001 certification is increasingly important for technology companies, financial institutions, healthcare providers, and any organization that handles personal or confidential data.

We have covered this topic in detail in our guide on ISO 27001 Information Security Management if you want a deeper understanding of what this certification involves.

ISO 22000 – Food Safety Management System

ISO 22000 is designed for the food industry. It establishes requirements for a food safety management system and covers the entire food chain, from farming and processing to packaging and distribution.

This standard helps food businesses control hazards, prevent contamination, and meet food safety regulations. It is suitable for any organization involved in the production or handling of food.

ISO 13485 – Medical Devices Quality Management System

ISO 13485 is specifically designed for organizations involved in the design, production, or distribution of medical devices. It sets out quality management requirements to ensure medical devices are safe and effective.

This certification is often required by regulators and buyers in the healthcare and medical technology sector. It demonstrates compliance with international regulatory requirements for medical devices.

ISO 20000-1 – IT Service Management System

ISO 20000-1 is the international standard for IT service management. It helps organizations deliver managed IT services in a consistent and reliable way.

This certification is ideal for IT service providers, managed service companies, and internal IT departments that want to demonstrate their ability to meet client expectations and industry requirements.

ISO 22301 – Business Continuity Management System

ISO 22301 is the standard for business continuity management. It helps organizations prepare for, respond to, and recover from disruptive events such as natural disasters, cyberattacks, or system failures.

Having this certification shows stakeholders that your business can continue operating under challenging circumstances and that you have a tested plan in place to minimize downtime.

Read more on our ISO 22301 Business Continuity Management page to see how this standard can protect your organization.

ISO 50001 – Energy Management System

ISO 50001 helps organizations improve their energy performance, reduce energy costs, and lower greenhouse gas emissions. It provides a framework for setting energy objectives, monitoring consumption, and achieving ongoing improvements.

This standard is relevant for energy-intensive industries such as manufacturing, mining, and utilities, as well as any organization looking to improve sustainability outcomes.

ISO 26000 – Social Responsibility

ISO 26000 is a guidance standard rather than a certifiable standard. It provides guidance on how organizations can operate in a socially responsible way. It covers areas such as human rights, labor practices, fair operating practices, community involvement, and environmental responsibility.

While you cannot get formally certified against ISO 26000, many organizations use it as a framework for building and communicating their corporate social responsibility programs.

Popular ISO Certifications Explained

Here is a quick overview of the most widely used ISO certifications and who they are best suited for:

  • ISO 9001 focuses on quality management and applies to all industries. It is the best starting point for any business pursuing ISO certification.
  • ISO 14001 covers environmental management and is most relevant to manufacturers, construction companies, and service businesses with a significant environmental footprint.
  • ISO 45001 addresses occupational health and safety and is important for any organization with a physical workplace where employee safety is a priority.
  • ISO 27001 deals with information security and is essential for IT companies, financial institutions, healthcare providers, and any business that stores or processes sensitive data.
  • ISO 22000 is built for the food industry and covers every step of the food supply chain from farm to fork.
  • ISO 13485 is designed for medical device manufacturers and is often a regulatory requirement in the healthcare sector.
  • ISO 20000-1 is tailored for IT service providers and helps them demonstrate the quality and consistency of their managed services.
  • ISO 22301 is for business continuity and helps organizations of all types prepare for and recover from unexpected disruptions.
  • ISO 50001 targets energy management and is particularly useful for businesses with high energy consumption looking to reduce costs and environmental impact.
  • ISO 26000 provides social responsibility guidance and is used by organizations that want to demonstrate ethical and responsible business practices.

How to Choose the Right Type of ISO Certification

With so many different types of ISO standards available, choosing the right one can feel overwhelming. Here is a simple way to narrow down your options.

Start by asking these questions:

  • What industry do you operate in?
  • What are your customers or regulators asking for?
  • What business risks do you want to manage?
  • What goals are you trying to achieve?

If you are not sure which certification is right for your business, our ISO certification consultants can assess your needs and guide you toward the best option.

For most businesses, ISO 9001 is a good starting point because it improves overall quality management and applies to every industry. From there, you can add other certifications based on your specific needs.

For example, a food manufacturer might hold ISO 9001 and ISO 22000. A technology company might hold ISO 9001 and ISO 27001. A construction company might combine ISO 9001, ISO 14001, and ISO 45001, which is often called an integrated management system.

Conclusion

ISO certifications are powerful tools for businesses that want to improve quality, build trust, manage risk, and grow. There are many different types of ISO certifications available, each designed to address a specific area of business operations.

Whether you are looking to improve quality management with ISO 9001, protect data with ISO 27001, ensure food safety with ISO 22000, or manage environmental impact with ISO 14001, there is an ISO standard designed for your needs.

Understanding the list of ISO certifications and choosing the right one for your business is the first step toward building a stronger, more credible, and more competitive organization.

Frequently Asked Questions (FAQs)

1. What are the most common types of ISO certifications? 

The most common types of ISO certifications are ISO 9001 for quality management, ISO 14001 for environmental management, ISO 45001 for workplace safety, and ISO 27001 for information security. These are widely used across industries worldwide.

2. How many ISO certifications are there in total? 

The International Organization for Standardization has published over 24,000 international standards. However, only a smaller subset of these are certifiable standards that businesses can formally apply for and get audited against.

3. Can a small business get ISO certified? 

Yes. ISO certifications are available to organizations of all sizes, including small and medium-sized businesses. ISO 9001, for example, is designed to be scalable and applies to any organization regardless of size or industry.

4. How long does it take to get ISO certified? 

The time varies depending on the standard and the size of your organization. On average, the process takes between three and twelve months. It involves implementing the required management system, conducting internal audits, and passing an external audit by a certified body.

5. Do ISO certifications expire? 

ISO certifications are typically valid for three years. During this period, your certification body will conduct annual surveillance audits to make sure you continue to meet the standard. After three years, a full recertification audit is required.

6. Is ISO 9001 the same as ISO certification? 

Not exactly. ISO 9001 is one specific type of ISO certification focused on quality management. The term “ISO certification” is a general term that can refer to any standard published by the International Organization for Standardization.

7. What is the difference between ISO standards and ISO certifications? 

An ISO standard is a published document that outlines requirements or guidelines for a specific topic. An ISO certification is the formal recognition that an organization has implemented and meets the requirements of a specific standard, verified by an accredited third-party auditor.