ISO Audit: Everything You Need to Know

ISO Audit: Everything You Need to Know

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Nandita Mishra
Growth at Seal
4 minute read

An ISO audit checks if a company’s quality management system meets ISO standards. These audits ensure that businesses maintain high-quality and regulatory standards. They look at processes, documentation, and operations across areas like quality management, environmental management, and information security. This article will explain what ISO audits are, why they're important, and how to prepare for them. You'll learn about different ISO standards, the steps in an ISO audit, common mistakes to avoid, and the roles of management and employees.

What is an ISO Audit?

An ISO audit is a detailed review to ensure a company's quality management system meets ISO standards. These audits are essential for maintaining high-quality and regulatory standards globally. They examine processes, documentation, and operations across various areas like quality management, environmental management, information security, and health and safety. This helps businesses ensure compliance and continuous improvement.

Types of ISO Standards

ISO 9001: Quality Management Systems

ISO 9001 is all about making sure that products and services consistently meet customer expectations and regulatory requirements. It focuses on creating effective quality management processes to boost customer satisfaction. This means having clear procedures, regular reviews, and continuous improvements to ensure high-quality outcomes.

This flow chart shows the process overview of a quality management system.

ISO 13485: Quality Management Systems for Medical Devices

ISO 13485 is designed specifically for the medical device industry. It ensures that companies are producing safe and effective medical devices that comply with regulatory standards. This standard is crucial for protecting patient health and safety, making sure that every device is reliable and meets strict quality requirements.

This flowchart diagram shows the process overview of ISO 13485.

ISO 27001: Information Security Management Systems

ISO 27001 helps companies protect their valuable information assets. It provides a framework for establishing, implementing, and maintaining an information security management system. This means companies can safeguard sensitive data, ensuring it stays confidential, accurate, and accessible only to authorised users. This standard is particularly important for industries handling large amounts of personal or confidential data.

Conducting an ISO Audit

Conducting an ISO audit involves several steps:

  1. Planning: Define the scope and objectives of the audit, select the audit team, and develop an audit plan.
  2. Preparation: Review relevant documents, processes, and records to understand the company’s current practices.
  3. Execution: Conduct the audit by gathering evidence through interviews, observations, and reviewing documentation.
  4. Reporting: Document the audit findings, highlighting areas of compliance and non-compliance, and provide recommendations for improvement.
  5. Follow-Up: Ensure that corrective actions are implemented and verify their effectiveness in addressing identified issues.

How is an ISO Audit Conducted?

Conducting an ISO audit involves a few key phases to make sure a company's processes meet ISO standards. Here’s a straightforward look at how it typically works:

Preparation Phase

First, gather all the necessary documents and records. This includes quality manuals, procedures, records, and previous audit reports. Make sure everything is up to date and accurately reflects your actual processes. Next, schedule the audit by coordinating with the audit team to find a convenient date. Let relevant departments and personnel know about the audit schedule so everyone is prepared.

Execution Phase

During the execution phase, auditors come on-site to see operations firsthand and verify that documented procedures are being followed. They will check out the facilities, equipment, and work areas. Auditors will also interview employees at different levels to understand their roles and responsibilities. These interviews help assess how well training programs are working and how aware employees are of quality standards. Additionally, auditors review the organisation’s procedures and practices to ensure they align with ISO standards, checking for consistency and accuracy in how processes are implemented.

Reporting Phase

In the reporting phase, auditors put together a detailed report of their findings. This report highlights what’s working well and what needs improvement. If there are any non-conformities—areas where the organisation doesn’t meet ISO standards—they are identified and documented with specific evidence. Finally, auditors provide recommendations for improvement. These suggestions might include process changes, additional training, or updates to documentation to help the company meet ISO standards and improve overall performance.

How to Prepare for an ISO Audit

The first thing to do is to make sure you understand the ISO standards for your industry. Know what they require and how they apply to your processes and procedures. This knowledge is the foundation of your preparation. As part of this, make sure to conduct regular internal audits. Think of these as practice runs for the real audit. They help you spot any issues and fix them ahead of time, so take them seriously and be thorough.

Keeping accurate documentation is crucial. Make sure all your records—like processes, procedures, training logs, and Corrective and Preventive Actions (CAPAs)—are up to date and well-organised. A good document control system will help you manage everything consistently. Training your employees is also important. Everyone should know their roles and responsibilities for maintaining compliance. Keep detailed records of all training sessions and certifications to show auditors that your team is knowledgeable and prepared.

Your CAPA processes also need to be effective. Regularly review them to ensure they address root causes and lead to real improvements. This shows auditors that you’re committed to continuous improvement and can manage issues effectively. Finally, conduct a mock audit to simulate the actual ISO audit experience. This helps you find any last-minute issues and gives you a chance to practise responding to the auditor’s questions. It’s a great way to build confidence and ensure you’re fully prepared.

Common Mistakes That Lead to ISO Audit Failure

When it comes to ISO audits, hiding Corrective and Preventive Actions (CAPAs) is a major pitfall. You need to be open about any issues and show how you're fixing them. Along with that, not being able to prove that your employees are properly trained can cause serious issues. Make sure all training is well-documented and easy to find.

Skipping regular internal audits is another big mistake. These audits help you catch and fix problems early, so make sure you do them regularly. Also, having strong support from management is crucial. If there's a lack of resources or engagement from leadership, it can make the audit process much harder. Make sure your management team is fully involved and supportive.

Poorly executed CAPA processes that don’t really fix the root causes or aren’t followed up on can lead to recurring problems. Make sure your CAPA processes are effective and thorough. In addition, inconsistent or outdated document management can create confusion and discrepancies during the audit. Keep your documents well-organised and up-to-date.

Using outdated management review agendas can cause you to miss important discussions about quality and compliance. Regularly update your agendas to cover all the necessary topics. Lastly, choosing the wrong electronic Quality Management System (eQMS) can make managing data and tracking processes difficult. Pick a reliable eQMS to keep everything running smoothly.

Who is Involved in an ISO Audit?

ISO Auditor

Function

The main task of ISO auditors is to check if a company complies with ISO standards. They review processes, documents, and operations to ensure everything meets the required criteria. They identify any issues and suggest improvements to help the company perform better.

Qualifications

ISO auditors are skilled professionals who specialise in ISO standards and auditing techniques. They might work for certification bodies or as independent consultants. They usually hold certifications from recognised organisations like IRCA or ASQ and have significant experience in auditing and quality management.

Team involvement for ISO success

Management's Function

Management is vital for a successful ISO audit. They need to allocate time, staff, and budget to meet ISO standards. For example, if a department needs extra training or new equipment, management should ensure these resources are provided. Promoting a culture of quality is also important. This means setting clear goals, leading by example, and recognising employees who meet these standards. When issues are found during an audit, management should act quickly to fix them, like addressing documentation gaps promptly and efficiently.

Employee Responsibilities

Employees are key to maintaining ISO compliance. They should understand their roles and be ready to explain their duties during an audit. Regular training keeps everyone updated on ISO practices. For example, warehouse workers should know how to track products and maintain proper storage conditions. Employees should also feel comfortable reporting issues. If someone spots a recurring problem with equipment, they should know how to report it and suggest fixes. This open communication helps maintain high standards.

Frequently Asked Questions

What does ISO stand for?

ISO stands for the International Organisation for Standardisation.

What is the ISO 9001 audit checklist?

The ISO 9001 audit checklist is a tool used to ensure a company complies with the ISO 9001 standard for quality management. It covers documentation like quality manuals and procedures, checks management’s commitment to quality, ensures proper resource management, and verifies processes for product design, production, and delivery. Additionally, it reviews procedures for monitoring, measuring, analysing, and improving quality.

Who audits ISO 9001?

ISO 9001 audits are usually carried out by external certification bodies or independent auditors accredited to check compliance with ISO standards. These auditors evaluate if a company meets all the requirements of the ISO 9001 standard.

What is the ISO audit cycle?

The ISO audit cycle involves several stages. It starts with an initial certification audit, which is a full review to gain certification. This is followed by regular surveillance audits, typically conducted annually, to ensure ongoing compliance. Every three years, a recertification audit is conducted to renew the certification, involving a comprehensive review similar to the initial audit.