OHSAS 18001 Certification

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ISO 45001 and OHSAS 18001: Key International Standards for Occupational Health and Safety Management

ISO 45001 is a globally adopted International Standard for Occupational Health and Safety Management Systems (OHSMS). Its purpose is to help organizations achieve improved occupational health and safety performance while also supporting economic objectives. By establishing a robust OHSMS, businesses can integrate safety management processes with other management systems, such as those for quality (ISO 9001) and the environment (ISO 14001).

Today, OHSAS 18001 is widely recognized as one of the leading standards in the world for occupational health and safety management. Though ISO 45001 has since replaced it, OHSAS 18001 still holds a respected place in the global safety landscape.

Steps to Achieve OHSAS 18001 Certification

  1. Assess Your Organization’s Needs
    Begin by reviewing the safety standards and requirements for both your employees and visitors. Define the scope of your health and safety system, and document your processes to meet the OHSAS 18001 requirements. These documented procedures must be fully implemented before you can move to the auditing phase.

  2. Conduct Internal Audits
    Once the system is in place, internal audits are necessary to verify that it functions effectively. These audits will also ensure ongoing legal compliance. Regular audits should be conducted to maintain system effectiveness.

  3. Involve Your Entire Workforce
    Implementation of OHSAS 18001 is not the responsibility of a few selected individuals. It requires participation from everyone in the organization. Employees must understand what changes are being made, why they are necessary, and how these changes will benefit both the organization and them personally. When employees are well-informed, they are more likely to engage in the process actively.

  4. Role of an ISO Coordinator and Specialist
    Your company’s ISO Coordinator works alongside an OHSAS 18001 specialist to manage the implementation project. The ISO Coordinator ensures that all activities are scheduled and that relevant personnel are available for required activities. This collaboration between your team and our experts will optimize time management and efficiency. To ensure a smooth transition, we will quickly complete the necessary steps and provide training to your staff, ensuring that the system remains operational.

  5. Third-Party Audit
    After selecting a third-party Certification Body (CB), they will review your documentation to ensure it aligns with all OHSAS 18001 requirements. Afterward, a thorough audit will verify that your organization follows documented procedures and maintains accurate records.

  6. Successful Certification
    Once the audit is successfully completed and all non-conformities have been resolved, your organization will receive an OHSAS 18001 certificate. Continued site visits and audits will ensure that the system continues to be effective and compliant.

Cost of OHSAS 18001 Certification

The cost of the audit depends on several factors, including the type, size, and complexity of the organization. Petro Circle will ask you to complete a brief questionnaire to help us understand your organization’s specific needs. Based on the information provided, we will offer a fixed, written quote for the certification process. Organizations already certified under ISO 9001 may qualify for reduced fees for OHSAS 18001 certification, as some audit components are shared.

Benefits of OHSAS 18001 Certification

  • Reputation and Brand Strengthening: A recognized certification helps improve your company’s image with stakeholders, customers, regulators, and the public.
  • Risk Management Best Practices: Adopting international best practices helps reduce workplace risks and hazards.
  • Employee Safety: Ensures a safe working environment for employees, contractors, and the general public.
  • Legal Compliance: Ensures that your company stays compliant with all health and safety laws.
  • Reduced Accidents and Incidents: Effectively reduces accidents by identifying and eliminating hazards in the workplace.
  • Enhanced Incident Investigations: A structured investigation process improves your ability to prevent future accidents.
  • Employee Motivation: A safer workplace boosts morale and motivates employees to participate in the safety process.

Certification Process: Stage I and Stage II

  1. Stage I: Document Review
    The Certification Body will perform an initial review of your organization’s documents to assess readiness for Stage II.

  2. Stage II: Full On-Site Audit
    About 30 to 45 days after Stage I, a full on-site audit will be conducted to examine the implementation of the OHSAS 18001 system across the organization.

  3. Resolution of Non-Conformities
    Any non-conformities identified during the audit must be resolved before a certification can be issued.

How to Obtain OHSAS 18001 Certification

Petro Circle offers a comprehensive suite of services for organizations seeking OHSAS 18001 or ISO 45001 certification. Our experienced consultants have helped numerous businesses implement Quality, Environmental, and Safety Management Systems, ensuring compliance with international standards. Our zero non-conformity approach guarantees a streamlined certification process.

If you are ready to take the next step in ensuring workplace safety and achieving ISO 45001 certification, visit Petro Circle to get started. We offer the expertise and guidance you need to navigate the certification process without delays.


This content provides a detailed overview of the OHSAS 18001/ISO 45001 certification process, including key benefits and steps. It can be adapted and used for website or marketing materials to inform potential clients.

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