ISO 20121
Event Sustainability Management Systems
ISO 20121 is an internationally recognised standard for event sustainability management systems. It provides organisations with a comprehensive framework to implement and improve their sustainability practices throughout the entire event management process.

ISO 20121 certification
Demonstrates commitment to social responsibility, environmental stewardship and economic viability.
Enhances reputation and attracts environmentally conscious clients, partners and attendees.
- Streamlines event management processes reduces waste and optimises resource utilisation.
What is ISO 20121?
ISO 20121 is a certification for organisations who manage events, so that they can ensure their event management contributes to the three dimensions of sustainability – economic, environmental and social. It’s applicable to any organisation who organises small events, such as small-scale conference meetings to large-scale sporting events, and everything in-between. All types of events are included and this certification supports organisations in every industry.
By adopting ISO 20121, your organisation demonstrates its commitment to organising events that are socially responsible, environmentally friendly, and economically viable.
ISO 20121 standard provides a framework for Event Sustainability Management Systems to help organisations:
- Implement sustainable practices throughout the event management cycle.
- Identify and manage risks associated with event planning and implementation.
- Engage stakeholders to foster collaboration and address sustainability concerns.
- Promote a culture of continuous improvement in sustainability performance.
What are the benefits of ISO 20121?
ISO 20121 offers numerous benefits to organisations of all sizes and sectors involved in event management. By achieving certification, you can:
- Enhance sustainability by putting in place sustainable practices that reduce the negative effects of events on the environment and promote social responsibility.
- Gain a competitive edge and draw clients, partners, and attendees who are environmentally sensitive by improving reputation.
- Improve efficiency by streamlining event management procedures, cutting waste and making the best use of available resources.
- Mitigate risks by recognising and eliminating any event planning hazards, guaranteeing efficient operations and adherence to legal and regulatory standards.
- Show your dedication to stakeholders by including them in your sustainability activities. Stakeholders include employees, suppliers, communities and attendees.
"Certification Europe were very knowledgeable in the area of energy management and had a personable approach during the certification process.”
Evelyn Conlon, Risk Manager, Diageo Bailey’s Global Supply

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How to become ISO 20121 certified
Certification Europe streamlines the ISO 20121 certification process by offering expert guidance and support every step of the way. Our certification journey includes the following steps:
- (Optional) Gap Analysis: One of Certification Europe’s Lead Assessors will evaluate your organisation’s current event management practices and identify areas for improvement to align with ISO 20121 requirements.
- Documentation: You will need to develop and implement an event sustainability management system that adheres to the principles of ISO 20121.
- Training and Awareness: You can empower your team with essential knowledge and skills through specialised training programs.
- Internal Audit: You internal team can conduct an internal audit to verify the effectiveness of your sustainability management system and identify any non-conformities.
- Certification Assessment: Certification Europe’s experienced Lead Assessors will assess your organisation’s compliance with ISO 20121, leading to the issuance of your certification.
Start your journey to ISO 20121 certification
Take the first step towards sustainable event management by partnering with Certification Europe. Our team of experts will guide you through the ISO 20121 certification process, helping you create a positive impact on the environment, society, and your organisation’s reputation. Contact us today to start your journey towards ISO 20121 certification.
The Certification Journey
Stage
One
The initial assessment determines if the mandatory requirements of the standard are being met and if the management system is capable of proceeding to Stage 2. Recommendation for Certification
At this point in the process we review any corrective actions taken to address findings raised at Stage 1 & 2. Certification may be recommended.
Certification
Achieved
Successful certification is communicated to the client. Certificates are issued. Stage
Two
The second assessment determines the effectiveness of the system, and seeks to confirm that the management system is implemented and operational. Certification Review & Decision
The organisations files are reviewed by an independent and impartial panel and the certification decision is made.The Certification Journey
Stage One
The initial assessment determines if the mandatory requirements of the standard are being met and if the management system is capable of proceeding to Stage 2.
Stage Two
The second assessment determines the effectiveness of the system, and seeks to confirm that the management system is implemented and operational.
Recommendation for Certification
At this point in the process we review any corrective actions taken to address findings raised at Stage 1 & 2. Certification may be recommended.
Certification Review & Decision
The organisations files are reviewed by an independent and impartial panel and the certification decision is made.
Certification Achieved
Successful certification is communicated to the client. Certificates are issued.
ISO 20121 FAQs
What is ISO 20121?
ISO 20121 is an international standard for event sustainability management, providing guidelines for organisations to improve their environmental, social, and economic performance throughout the event management cycle.
How can ISO 20121 benefit my organisation?
ISO 20121 offers benefits such as enhanced sustainability, improved reputation, increased efficiency, risk mitigation and stakeholder engagement. These advantages contribute to organisational growth and competitiveness in the event management industry.
Can Certification Europe assist with ISO 20121 certification?
Absolutely! Certification Europe is a trusted certification body with extensive experience in ISO standards. We provide comprehensive support, guidance, and certification services to organisations pursuing ISO 20121 certification.
How long does it take to become ISO 20121 certified?
The duration of the certification process varies depending on the size and complexity of your organisation. Our team will work closely with you to establish a timeline that suits your specific needs.
Get in touch
To help us prepare the best quotation for you, please complete the form below. We will get back to you as soon as possible; but if you need immediate assistance, please call +353 1 642 9300.
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