August 8, 2025
ISO 42001 vs ISO 9001 vs ISO 27001: What’s the difference?Â
ISO standards are globally recognised frameworks designed to help organisations run more efficiently, manage risks, and meet stakeholder expectations.
ISO 9001 and ISO 27001 have long been trusted by organisations to improve quality and safeguard information security. Now, with the introduction of ISO 42001, there’s a dedicated standard to help you manage the risks and responsibilities that come with using artificial intelligence (AI).
Each standard focuses on a different area, quality, information security, and AI governance, but together, they form a powerful toolkit for building a resilient, future-ready business.
Understanding the core function of these standards and their differences is essential if you’re considering certification for your organisation, and that’s what this blog is all about.
What is ISO 42001 Artificial Intelligence Management System (AIMS)?
ISO 42001 is a brand-new standard designed to manage artificial intelligence (AI) responsibly. It can help you reduce the risks that come with AI, such as security threats, ethical challenges, and unintended bias, as well as build trust in systems people may not fully understand. The standard is based on four key principles:
- Risk management emphasises identifying, assessing, and mitigating risks related to AI systems throughout their lifecycle to ensure they are safe and reliable.
- Governance and accountability highlight the importance of clearly defined roles and oversight to effectively manage AI development, deployment and ongoing operation.
- Transparency and trustworthiness focus on making AI systems explainable and auditable, so their decisions can be understood and trusted by everyone involved.
- Alignment with ethical and legal expectations ensures AI use complies with applicable laws, regulations and ethical standards, promoting fairness and responsible innovation.
Additionally, ISO 42001 includes Annex A, which lists 38 controls you should consider when managing the risks and responsibilities associated with AI.Â
What is ISO 9001 Quality Management System (QMS)?
ISO 9001 is all about quality management. It helps organisations consistently meet customer requirements, enhance customer satisfaction and improve overall business performance. It also provides a strong foundation for sustainable growth. The standard is built on seven quality management principles:
- Customer focus emphasises understanding and meeting customer requirements, aiming to exceed customer expectations and build strong customer relationships.
- Leadership highlights the importance of establishing a clear purpose and direction within an organisation, creating an environment where people are motivated to achieve quality objectives.
- Engagement of people recognises that competent, empowered and engaged people at all levels of an organisation are essential to enhance its capability to create and deliver value.
- Process approach involves managing activities and resources as interrelated processes that function as a coherent system, leading to more consistent and predictable results.
- Improvement stresses the importance of continually enhancing an organisation’s overall performance, products and services as an ongoing objective.
- Evidence-based decision-making emphasises that decisions based on the analysis and evaluation of data and information are more likely to produce desired results.
- Relationship management focuses on managing relationships with interested parties, such as suppliers, to optimise their impact on an organisation’s performance.
What is ISO 27001 Information Security, Cybersecurity and Privacy Protection Management System (ISMS)?
ISO 27001 focuses on protecting your organisation’s information assets, whether that’s digital (including cloud-based), paper records or knowledge held by employees. It’s based on three fundamental principles, known as the ‘CIA triad’:
- Confidentiality ensures that information isn’t made available or disclosed to unauthorised individuals, entities or processes. It’s about protecting sensitive data from unauthorised access and maintaining privacy.
- Integrity safeguards the accuracy and completeness of information and processing methods. It ensures that data can’t be modified in an unauthorised or undetected manner, maintaining its trustworthiness and consistency throughout its lifecycle.
- Availability ensures that only authorised users have access to information and associated assets when required. It’s about making sure that data and systems are accessible and operational when needed, within agreed-upon parameters.
ISO 27001 also includes Annex A, containing 93 security controls to help you protect your information assets effectively.Â
Key differences between ISO 42001 and ISO 9001
While both standards aim to improve your organisation’s management system, they focus on different areas. ISO 9001 is centred on quality management across products and services, while ISO 42001 specifically addresses the responsible development and/or use of artificial intelligence (AI).
ISO 9001 applies to all processes impacting product and service quality, whereas ISO 42001 focuses on the ethical, transparent, and safe development and/or use of AI systems.
Both ISO standards require risk assessments, but ISO 9001 looks at risks and opportunities affecting quality objectives, while ISO 42001 looks at AI-specific risks such as bias, security issues and unintended outcomes. Â
ISO 42001 also introduces requirements around AI lifecycle management, data governance, and accountability measures, which aren’t part of ISO 9001. On the other hand, ISO 9001 places more emphasis on customer satisfaction and consistent product or service delivery.Â
Key differences between ISO 42001 and ISO 27001
Both standards focus on managing risks but address different kinds of risks within your organisation. ISO 27001 is dedicated to protecting information security, focusing on data confidentiality, integrity and availability. ISO 42001, on the other hand, is designed to manage the risks related to AI systems, including ethical concerns, transparency and the governance of AI models.Â
ISO 27001 covers information security processes and assets such as cybersecurity controls and personal data protection. ISO 42001 spans the entire AI lifecycle, from development and deployment to ongoing monitoring and performance management.Â
While both standards require risk assessments and controls, their focus differs. ISO 27001 includes a detailed list of security controls in Annex A, whereas ISO 42001 introduces AI-specific governance measures, such as bias mitigation, human oversight and responsible data handling.Â
Put simply, ISO 27001 helps you defend against security threats, while ISO 42001 ensures your AI systems operate safely, ethically, and in line with organisational values and legal obligations.Â
Common ground across all three standards
Despite their differences, ISO 42001 shares several important similarities with ISO 9001 and ISO 27001. All three follow the same high-level framework called Annex SL, making it easier to implement and integrate multiple standards at once or over time.  Â
They all require commitment and involvement from senior leadership and top management teams. Document and record control is also essential across all standards.
Regular internal audits and management reviews are required to monitor the effectiveness of your management systems. They all emphasise the need for ongoing improvement of the management system.
These common elements mean that if you’ve implemented one of these standards, you’ve already laid some of the foundations required for the others.Â
Benefits of integrating ISO 42001 into an existing management system
If you’re already certified to ISO 9001 or ISO 27001, you might wonder why you need ISO 42001. The answer lies in the unique challenges and opportunities presented by artificial intelligence (AI).
AI are becoming embedded in many business processes, from customer service chatbots to decision-making tools. These new technologies bring risks such as AI bias, lack of transparency, and ethical concerns that aren’t fully addressed by ISO 9001 or ISO 27001.Â
ISO 42001 fills this gap by providing a dedicated framework for responsible AI management. It helps ensure your AI systems operate safely, ethically, and comply with evolving regulations like the EU Artificial Intelligence Act.
Adopting ISO 42001 alongside your existing certifications shows your commitment to innovation and trust. It reassures customers, partners, and regulators that your organisation is serious about managing AI risks effectively.Â
In short, ISO 42001 isn’t a replacement but a vital complement that strengthens your overall management system and prepares you for an AI-driven future.Â
How to integrate ISO 42001 with existing management systems
If your organisation already holds ISO 9001 or ISO 27001 certification, you’re in a strong position to add ISO 42001 to your management system. Thanks to the shared Annex SL structure, many elements overlap, making simultaneous or successive implementation more efficient.
Begin by focusing on the shared components like document control, internal audits, and management reviews. These are already part of your management system and can be expanded to include AI-specific requirements.
The key is to approach integration strategically, aim to build a unified management system that supports your organisation’s goals and addresses AI governance without duplicating effort.
Implementing ISO 42001 alongside your existing certifications saves time, reduces complexity, and makes compliance easier to maintain. It also offers a more comprehensive view of risks and performance across quality, security, and AI ethics.Â
For our clients, there’s also a financial benefit, because we offer discounts when implementing multiple standards at the same time.
Remember, the goal is not just certification but creating an effective system that helps your organisation manage AI responsibly and confidently.
How can ISO Quality Services help?
ISO 42001, ISO 9001 and ISO 27001 are all powerful tools for strengthening your organisation’s management system. While they each focus on different areas, AI governance, quality and information security respectively, they share common elements that can make implementing multiple standards together a practical and efficient approach.
Whether you’re pursuing certification for one, two, or all three standards, the ultimate goal is to improve your organisation’s processes, performance, and resilience in an increasingly complex business environment.
If you’re unsure where to begin, ISO QSL can help. As a leading provider of ISO certification services, our expert team can guide your business through the certification process and help you achieve certification in as little as eight weeks.
Our friendly, expert team is ready to help. Contact us today to discuss your requirements and learn how we can help you create the right ISO management system for your business.
