What are the Benefits of Being a Certified Internal Auditor or Having One?

Because internal auditors play a critical role in ensuring that processes align with ISO standards, investing in internal auditor training brings several benefits . First, training gives ISO internal auditors the knowledge and skills to understand and interpret complex ISO standards. Since ISO requirements are regularly updated and revised, keeping auditing knowledge and skills up-to-date is important . Proper training also helps ISO internal auditors understand organizations' unique needs and capabilities better. This allows them to tailor their auditing approach so that it goes beyond a checkbox exercise and becomes a practical tool for continuous improvement. In addition, trained ISO internal auditors gain proven methods for planning, conducting, and reporting audits in a systematic way, as well as build the communication skills needed to deliver feedback clearly and constructively. Combined, these help organizations save time, improve audit effectiveness , and generate insights that lead to meaningful improvements and actionable recommendations.

ISO Internal Auditor Courses

Products	Duration	Attributes	Content	Price	Action
ISO 9001 Internal Auditor Training and Certification Course	12 hours	+ ISO 21001 Accredited: Available on-demand 24/7	View Course	€313	Add to cart
ISO 13485 Internal Auditor Training and Certification Course	12 hours	+ ISO 21001 Accredited: Available on-demand 24/7	View Course	Original price was: €467.Current price is: €350.	Add to cart
ISO 14001 Internal Auditor Training and Certification Course	12 hours	+ ISO 21001 Accredited: Available on-demand 24/7	View Course	€467	Add to cart
ISO 45001 Internal Auditor Training and Certification Course	14 hours	+ ISO 21001 Accredited: Available on-demand 24/7	View Course	€546	Add to cart
ISO 27001 Internal Auditor Training and Certification Course	18 hours	+ ISO 21001 Accredited: Available on-demand 24/7	View Course	€933	Add to cart
ISO 17025 Internal Auditor Training and Certification Course	14 hours	+ ISO 21001 Accredited: Available on-demand 24/7	View Course	€546	Add to cart
ISO 19011 Internal Auditor Skills Training	9 hours	+ ISO 21001 Accredited: Available on-demand 24/7	View Course	€233	Add to cart
IMS Internal Auditor Certification	24 hours	+ ISO 21001 Accredited: Available on-demand 24/7	View Course	€625	Add to cart

Frequently Asked Questions About ISO Internal Auditor Courses

What is an ISO Internal Auditor?
What is the Difference Between an ISO Internal Auditor and an Internal Auditor?
What Types of Industries do ISO Internal Auditors Work in?
What is ISO Internal Auditor Training?
Why is ISO Internal Auditor Training Important?
What knowledge, skills, certifications, or characteristics do you need to become an ISO Internal Auditor?
Does Internal Auditor Certification Apply to All Standards?
Are deGRANDSON’s ISO Internal Auditor Courses certified?
What benefits do courses being certified to these standards provide?
Are deGRANDSON’s ISO Internal Auditor Courses IRCA certified?
What are Extension Courses?
What are Conversion Courses?
How do you enroll in an ISO Internal Auditor Course?
Do You Have a Sample Lesson?
Where to Find More Information if You Want to Become an Internal Auditor

What is an ISO Internal Auditor?

An ISO Internal Auditor is a professional responsible for evaluating an organization’s management systems to ensure they meet the requirements of specific ISO standards.

They assess how well processes are implemented, identify areas of non-compliance, and help the organization maintain and improve its quality, safety, environmental, or other management systems.

ISO internal auditors act as an objective, knowledgeable reviewer, providing insights and recommendations that support continual improvement and organizational efficiency. They are essential in helping organizations maintain adherence to ISO standards and achieve ongoing compliance.

What is the Difference Between an ISO Internal Auditor and an Internal Auditor?

When people talk about internal auditors, they often mean auditors working in the financial sector. This is because financial internal auditors have clearly defined roles tied to strict regulatory requirements, financial controls, and risk management. However, the scope of internal auditing goes far beyond the financial sector.

ISO Internal Auditor	General / Non-ISO Internal Auditor
Works across a wide range of industries such as manufacturing, healthcare, automotive, energy services, food services, and information security.	Often associated with finance, governance, or compliance functions, but may operate in any sector depending on organizational needs.
Evaluates whether an organization’s processes conform to specific international management system standards.	Assesses compliance with internal policies, sector-specific regulations, legal obligations, and risk management requirements.
Focuses on defined international management system standards issued by the :contentReference[oaicite:0]{index=0}.	Operates across a broader and more flexible scope, examining multiple frameworks that may have little or no connection to international standards.
Audits are structured around specific clauses, requirements, and conformity expectations, and are typically aligned with certification, surveillance, or management system improvement.	Audits are often driven by governance, regulatory assurance, or organizational risk.
Audit methods follow a consistent structure and terminology aligned with international standards.	Audit methods allow greater flexibility in structure, terminology, and approach based on organizational or regulatory priorities.

What Types of Industries do ISO Internal Auditors Work in?

ISO internal auditors can find work in various industries where adherence to international standards is critical for ensuring quality, compliance, and operational efficiency. Some good examples of industries that frequently require the services of skilled ISO internal auditors are the following:

Construction and Engineering:The construction and engineering sector heavily relies on ISO standards like ISO 9001 (Quality Management Systems and ISO 45001 (Occupational Health and Safety Management Systems)to improve processes, ensure quality in construction projects, and protect workers. Internal auditors verify that both standards are correctly implemented and continuously maintained.

Healthcare and Pharmaceuticals:Standards like ISO 13485 (Medical Device Management Systems), ISO 9001 (Quality Management System), and ISO 45001 (Occupational Health and Safety Management System) give healthcare and pharmaceutical companies a solid framework for safety, quality, and smooth operations. An ISO internal auditor makes sure these standards are not only followed in theory but also applied effectively to protect people and keep processes running efficiently and continuously improving.

Manufacturing and Industrial Sectors:Companies in the manufacturing and industrial sectors rely on ISO internal auditors to apply standards like ISO 14001(Environmental Management Systems) to help them manage environmental impacts, reduce waste, and build more sustainable operations.

Information Technology (IT) and Cybersecurity: The IT sector depends on ISO internal auditors to apply standards likeISO 27001 (Information Security Management Systems) to help organizations keep information secure, protect data, and strengthen their cybersecurity measures.

Financial Services: Banks, insurance providers, and investment firms rely on ISO internal auditors to apply standards such as ISO 9001 and ISO 27001. More than just checking boxes for compliance, ISO internal auditors help ensure consistent service quality, protect sensitive customer data, and strengthen risk management practices against fraud, cyberattacks, and regulatory breaches.

Aerospace and Defense: Aviation and defense organizations operate under some of the strictest quality and safety requirements, relying on standards like ISO 9001 and AS9100 to ensure product reliability, supply chain integrity, and regulatory approval. ISO internal auditors help ensure compliance with these strict frameworks to reduce risks tied to equipment failure, safety incidents, and costly production errors.

Energy and Utilities: The energy sector depends on standards like ISO 50001 (Energy Management Systems) to improve efficiency and support environmental sustainability. ISO internal auditors help organizations monitor compliance and put energy-saving practices into action while addressing risks such as regulatory violations, rising operational costs, equipment downtime, and environmental impact.

Food and Beverage: Keeping products safe and high-quality is crucial in the food industry. Standards like ISO 22000 (Food Safety Management Systems)and HACCP give companies a clear guide for preventing contamination and ensuring traceability. ISO internal auditors help make sure these standards aren’t just followed on paper but actually work in practice, reducing the risk of recalls, supply chain issues, and damage to brand trust.

Does an Internal Auditor Certification Apply to All Standards?

No. An ISO internal auditor trained in the requirements of ISO 9001, the quality system standard, is not equipped to audit against the requirements of, say, ISO 14001, the environmental management system standard.

This is for the simple reason that the two standards have very different objectives and significantly different detailed requirements. So, an ISO 9001 Internal Auditor would need additional training (an ISO 14001 Internal Auditor Extension Course) before they were capable of conducting an ISO 14001 audit.

Below is a comparison of different ISO management system standards and what internal auditors for each one do.

ISO Standard and Management System	Key Focus	What Internal Auditors Do
ISO 9001 – Quality Management Systems (QMS)	Focuses on quality processes, customer satisfaction, and continuous improvement.	Assess process effectiveness, quality objectives, and management review systems.
ISO 14001 – Environmental Management Systems (EMS)	Focuses on environmental impact, compliance, and sustainability.	Evaluate environmental risk, regulatory compliance, and sustainability initiatives.
ISO 13485 – Medical Devices Management System (MDMS)	Focuses on medical device quality, regulatory compliance, and product safety.	Review device design, risk management, and regulatory alignment.
ISO 45001 – Occupational Health and Safety (OHSMS)	Focuses on workplace safety, hazard prevention, and legal compliance.	Assess safety systems, incident prevention, and health & safety culture.
ISO 27001 – Information Security Management System (ISMS)	Focuses on data security, risk management, and confidentiality.	Evaluate information security controls, risk mitigation, and data-related compliance.
ISO 17025 – Test and Calibration Laboratories (TCLMS)	Focuses on lab testing, calibration accuracy, and technical competence.	Review lab processes, measurement accuracy, and technical documentation.

What knowledge, skills, certifications, or characteristics do you need to become an ISO Internal Auditor?

Education

Although there are no specific academic requirements to become an ISO internal auditor, certain qualifications can give you an advantage if you are considering pursuing a career in this field. Below are some examples:

Degree in Quality Management: A degree in Quality Management or Quality Assurance will give you foundational knowledge of quality principles, process improvement methodologies, and compliance frameworks, allowing you to understand ISO standards and auditing practices better.

Engineering or Technical Degrees: Degrees in engineering disciplines or other technical fields offer a solid understanding of processes, systems, and technical aspects crucial in the operations of various industries. This knowledge base can be a big help when auditing technical processes and ensuring compliance with ISO standards.

Environmental Sciences or Sustainability: Degrees in Environmental Sciences, Sustainability, or Environmental Management provide insights into environmental regulations, conservation practices, and sustainability principles that can be helpful in auditing compliance with ISO 14001 standards.

Business Administration or Management: Degrees in Business Administration or Management offer a broader perspective on organizational structures, strategic planning, and operational frameworks. These are critical for understanding how ISO standards integrate into an organization’s management systems.

Health and Safety or Occupational Health Sciences: Degrees in Health and Safety or Occupational Health Sciences can provide expertise in workplace safety regulations, risk management, and health-related standards aligned with ISO 45001 requirements.

Laboratory Sciences or Metrology: Degrees in Laboratory Sciences, Metrology, or similar fields can greatly help aspiring auditors targeting ISO 17025 standards. Understanding laboratory procedures, testing methods, and quality control principles is essential in this field.

Specialized Training

Specialized training designed to provide comprehensive knowledge and practical skills aligned with the requirements of specific ISO standards is crucial for individuals aiming to become proficient ISO internal auditors. These can include the following:

ISO Internal Auditor Training Courses: These courses offer fundamental knowledge of ISO standards, auditing principles, methodologies, and practices specific to various ISO standards like ISO 9001 (Quality Management), ISO 14001 (Environmental Management), ISO 27001 (Information Security Management), and others. They cover topics such as audit planning, execution, reporting, and corrective action procedures.

Lead Auditor Training Programs Lead Auditor training programs go beyond basic auditing techniques and explore the nuances of managing and leading audit processes. Aspiring auditors who participate in this training become proficient in conducting audits and effectively directing and supervising audit teams. (Note that both ISO internal and lead auditor training programs provide flexible learning options that allow individuals to attend traditional classroom-based classes or opt for on-demand, self-paced online training sessions via a learning management system.)

Industry-Specific Training: Some training programs specialize in specific industries or sectors and build content around the unique challenges and requirements of those industries. For example, industry-specific training for healthcare, manufacturing, construction, or information technology sectors provides focused insights and case studies relevant to those industries.

In-house Training by Certification Bodies or Consultancies: Some certification bodies and consulting firms offer in-house training programs to address an organization’s specific needs. These training sessions are conducted within the company’s premises or virtually for its employees. They typically involve in-depth discussions, case studies, and practical examples directly relevant to the organization’s operations.

Certifications

Several certification grades are available for individuals aspiring to become ISO internal auditors. These include:

Internal Auditor Certifications: Specialist Training Providers offer internal auditor certifications tailored to specific ISO standards. These certifications validate individuals’ abilities to conduct internal audits, assess conformity, and drive continual improvement within organizations.

Lead Auditor Certifications: Various Training Providers offer certifications for lead auditors in different ISO standards. These certifications emphasize advanced auditing techniques, leadership in audit processes, managing audit teams, and overseeing complex audits.
Professional Development and Work Experience

Developing expertise as an ISO internal auditor requires a blend of professional development and hands-on experience. For example, regular participation in internal audits can get you valuable experience in compliance and process improvement. Additionally, shadowing experienced auditors in the workplace can provide invaluable practical exposure to auditing methodologies and compliance frameworks.

Certifications in Industry-Specific Standards: Training Providers might provide certifications specific to certain industries or sectors built around the same principles as specific ISO standards.  Some examples include Certified Professional in Healthcare Quality (CPHQ) for the healthcare industry (ISO 9001), IATF 16949 Certification for the automotive industry (ISO 9001), AS9100 Certification for the aerospace and defense industries (ISO 9001), and FSSC 22000 (Food Safety System Certification) for the food industry (ISO 22000).

What is ISO Internal Auditor Training?

ISO Internal Auditor Training is a program designed to teach learners how to conduct internal audits of management systems based on various ISO standards. The training typically covers the principles, procedures, and techniques of auditing, allowing participants to assess whether an organization’s management system complies with ISO standards and effectively identify areas for improvement.

Why is ISO Internal Auditor Training Important?

Regular internal audits are important regardless of the size of the organization. Internal audits not only confirm that standards and best practices are being followed but also that companies stay updated on the latest developments. This is why having properly trained and certified ISO internal auditors is so valuable. They provide the checks and insights needed to keep operations compliant, efficient, and continually improving.

Are deGRANDSON’s ISO Internal Auditor Courses Certified?

Yes. All deGRANDSON courses are certified to the following international standards:

ISO 21001:2018 – Educational Organizations Management Systems – This Ensures the course is designed and managed according to globally recognized education management practices.
ISO 29993:2017 – Learning Services Outside Formal Education- This covers non-traditional learning environments such as professional development programs, corporate training, and online courses.
ISO 29994:2021 – Additional Requirements for Distance Learning – This sets extra criteria for online and remote learning, including learner engagement, accessibility, and effective assessment methods.

The ISO 21001 certification is issued by Business Quality Assurance International (BQAI), an accredited body under the Irish National Accreditation Board (INAB).

INAB is a signatory to both the European cooperation for Accreditation (EA) Multilateral Agreement and the International Accreditation Forum (IAF) Multilateral Arrangement, ensuring global recognition of the qualification.

What benefits do courses being certified to these standards provide?

Recognition by Employers and Certification Bodies: Being accredited to international standards gives your certificate credibility, making it a globally recognized auditor qualification that enhances professional standing.
Consistency and Trust: Every module is developed and delivered under an externally audited educational management system, ensuring reliable, high-quality learning outcomes.
Confidence in Online Learning: ISO 29993 and ISO 29994 alignment guarantees that distance learning is effective, transparent, and engaging, validating your competency in a professional context.

Are deGRANDSON’s ISO Internal Auditor courses IRCA certified?

No. deGRANDSON’s ISO Internal Auditor courses are ISO 21001 certified, which provides a university-grade, independently audited standard for educational organizations. While IRCA (now CQI/IRCA) approval is well-known, it is largely UK-focused, limited in ongoing monitoring, and does not audit the full educational organization.

ISO 21001, in contrast, ensures that both the learning services and the management of the provider meet international standards, giving learners and sponsoring organizations confidence in the effectiveness, reliability, and credibility of the training experience.

IRCA Approval vs ISO 21001 Certification Side-by-Side Comparison
Criteria	IRCA Approval	ISO 21001 Certification
*Courses Approved*	Yes	Yes
*Approved Training Providers / Educational Organization (EO)*	Yes	Yes
*Published ATP / EO approval criteria*	No	Yes
*Internationally recognized ATP / EO approval criteria*	No	Yes
*Initial auditing of providers*	Yes	Yes
*Annual auditing of providers*	No	Yes
*Independent 3^rd-party auditing*	No	Yes
*Low ongoing cost for ATP / EO*	No	Yes
*Recognized internationally*	No	Yes
*Free register of auditors*	No	Yes
*No ongoing cost for auditor registration*	No	Yes
*Curriculum approval & monitoring*	No	Yes
*Trainer / instructor approval & monitoring*	No	Yes
*Learning environment approval & monitoring*	No	Yes
*Monitoring delivery of learning services*	No	Yes
*Ongoing evaluation of learning goals and scope*	No	Yes
*Ongoing evaluation of the learning service*	No	Yes
*Ongoing evaluation of the learner experience*	No	Yes
*ISO certification*	No	Yes

How do you enroll in an ISO Internal Auditor Course?

Enrollment in an online ISO course with deGRANDSON Global follows a straightforward, fully online process:

Choose your preferred Course;
Evaluate your skills to ensure the course level is appropriate;
Use the Add-to-Cart button to initiate the payment process;
Complete the process by enrolling the intended Learner(s).
Once enrollment is completed, you will receive email instructions (please check spam or junk folders). Follow the instructions to access the learning platform.
Our Courses are available on-demand and are self-paced so you can start the course whenever you wish – even today.

You can learn more about the process as well as answers to frequently asked questions about it on this Enrollment page.

What are Extension Courses?

If you are already an ISO internal auditor but would like to extend the scope of your internal auditor certification, deGRANDSON Global also offers ISO internal auditor extension courses that would help you upgrade your skills. See our Extension courses to learn about a cost-effective way to add new standards to the scope of your auditor certification.

What are Conversion Courses?

ISO auditor conversion courses are courses designed to help existing auditors update their qualifications when a standard is revised by focusing on the key changes and how they affect auditing practices.

If you are already certified to the previous version of a standard but would like to update your internal auditor certification to that of the revised version, check out our available conversion courses to see your options.

How are the courses delivered?

The courses are delivered online from our Learning Management System (LMS) and use a flexible, blended learning approach combining online modules, interactive exercises, and practical audit scenarios.

Do the courses have any pre-enrollment requirements?

No, but learners are recommended to at least have a Secondary School Certificate (e.g., GCSE, High School Diploma, Baccalaureate, or equivalent) along with approximately two years of work experience.

You are not required to submit proof of qualifications or experience, but if you do not meet these criteria, you may find the course more challenging to follow and complete successfully.

How does the certification exam go?

At the end of each course module, learners take an open-book online exam which comes in multiple-choice, true/false, matching, and similar formats.

All exams are completed through deGRANDSON Global’s online learning platform, allowing self-paced study without attending a testing center. Exam fees are included in course enrollment, and a second attempt is available at no extra cost.

Does taking your ISO 9001 training courses count toward Continued Professional Development?

Yes. ISO 9001 auditor, implementer, and consultant courses count toward Continuing Professional Development. CPD tracks formal and informal learning, including training, workshops, self-directed study, and practical application.

deGRANDSON developed its own CPD model, following best international practices and deriving rules for assigning CPD Units (sometimes called SCU Units in North America), enabling auditors to document ongoing skill development and demonstrate professional credibility.

Please see the table showing different ISO 9001 auditor, implementer, and consultant courses and their corresponding CPD units.

Course	CPD / CEU Units
ISO 9001 Internal Auditor Course	2.0
ISO 13485 Internal Auditor Course	2.0
ISO 14001 Internal Auditor Course	2.0
ISO 270001 Internal Auditor Course	3.0
ISO 45001 Internal Auditor Course	2.33
ISO 17025 Internal Auditor Course	2.33
ISO 19011 Internal Auditor Course	1.5
Integrated Management System Internal Auditor Course	4.0
ISO 9001 Internal Auditor Extension Course	2.0
ISO 13485 Internal Auditor Extension Course	1.33
ISO 14001 Internal Auditor Extension Course	1.33
ISO 27001 Internal Auditor Extension Course	2.0
ISO 45001 Internal Auditor Extension Course	1.33
ISO 17025 Internal Auditor Extension Course	1.5
ISO 27001 Internal Auditor Conversion Course	2.0
ISO 45001 Internal Auditor Conversion Course	1.33
ISO 17025 Internal Auditor Conversion Course	1.5
ISO 9001 Internal Auditor Refresher Course	1.33
ISO 13485 Internal Auditor Refresher Course	1.33
ISO 14001 Internal Auditor Refresher Course	1.7

Do You Have a Sample Lesson?

Yes. If you are interested in online ISO auditor training but not ready to start yet, we got you covered. We have a 5 min Trial Lesson that you can take to give you a quick overview of how our online training for ISO courses works. This includes our e-training methods, our certification process, and the differences among our ISO courses.

It also contains tips on how to find out which course will be appropriate for your needs. If you have more time and you want to take a closer look at our online courses, you can also check out our more detailed 30 min Trial Lesson. It contains an actual lesson sample as well as a short sample test that you can try for yourself.

Where to Find More Information if You Want to Become an ISO Internal Auditor

For more in-depth information about ISO internal auditors, we recommend you read ISO 19011:2018, especially: Part 7: Competence and evaluation of auditors, and Annex A: Additional guidance for auditors planning and conducting audits. You will also find useful information ar Other ISO Courses.

ISO Internal Auditor Courses

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Frequently Asked Questions About ISO Internal Auditor Courses

What is an ISO Internal Auditor?

What is the Difference Between an ISO Internal Auditor and an Internal Auditor?

What Types of Industries do ISO Internal Auditors Work in?

Does an Internal Auditor Certification Apply to All Standards?

What knowledge, skills, certifications, or characteristics do you need to become an ISO Internal Auditor?

Education

Specialized Training

Certifications

What is ISO Internal Auditor Training?

Why is ISO Internal Auditor Training Important?

Are deGRANDSON’s ISO Internal Auditor Courses Certified?

What benefits do courses being certified to these standards provide?

Are deGRANDSON’s ISO Internal Auditor courses IRCA certified?

How do you enroll in an ISO Internal Auditor Course?

What are Extension Courses?

What are Conversion Courses?

How are the courses delivered?

Do the courses have any pre-enrollment requirements?

How does the certification exam go?

Does taking your ISO 9001 training courses count toward Continued Professional Development?

Do You Have a Sample Lesson?

Where to Find More Information if You Want to Become an ISO Internal Auditor

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