For organizers, venues, exhibition centers, and event suppliers

ISO Certification for Events and Venues: ISO 20121, ISO 45001, ISO 22301, and More

ISO certification for events and venues shows clients, sponsors, and city authorities that your events are safe, well run, and responsible from build to breakdown. Accredify Global certifies event management systems, led by ISO 20121 for event sustainability, with ISO 45001, ISO 9001, ISO 14001, and ISO 22301 alongside. We audit the office and, where possible, a live event. You get a tailored proposal after a free scoping review.

Event certification with Accredify Global
ISO 201212024 edition, published 3 April 2024
LiveEvents observed where possible
3 yrsCertificate cycle, yearly surveillance
61+Auditors
23+Technical experts
71Countries covered
ACCREDITED
Accredited Certification Body
Check our scope in the UAF directory
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SUSTAINABILITY
ISO 20121 Led
Environmental, social, and economic
CROWD SAFETY
ISO 45001 Alongside
Crews, contractors, and attendees
TAILORED
One Tailored Proposal
After a free scoping review
In plain terms

What ISO Certification for Events and Venues Covers

ISO certification for events and venues is an independent audit of how an organizer, venue, or event supplier plans and delivers events against ISO standards. The standard written for this sector is ISO 20121, which covers the environmental, social, and economic impacts of events. Safety, quality, and continuity standards sit alongside it. A successful audit leads to a certificate valid for three years.

Events are temporary, but their impacts are not. Waste, travel, crowd risks, local suppliers, accessibility, and what a city keeps afterward all matter to clients and sponsors. Many public tenders and large brands now ask for proof.

Accredify Global is an accredited certification body. We audit your planning system at the office and, where timing allows, observe an event in build, live, or breakdown.

SustainabilityWaste, energy, travel, and suppliers
SafetyCrowds, structures, and contractors
InclusionAccessible, fair, and welcoming events
LegacyWhat the community keeps afterward
Where things stand

Event Standards in 2026: ISO 20121:2024 and Its Olympic Roots

ISO 20121:2024 is the current edition. ISO published it on 3 April 2024 through ISO/TC 354/SC 1, its committee for sustainability in event management. It replaced the 2012 edition. Certificates to the old edition move across through a transition, which we plan into your audits.

The update widened the lens. The 2024 edition gives more weight to human rights and children's rights, inclusivity, and event legacy. It also uses the harmonized structure shared by ISO 9001, ISO 14001, and ISO 45001, so integrated audits are simpler.

It was born at a major event. The standard was first developed for the London 2012 Olympic and Paralympic Games, building on the British Standard BS 8901. Festivals, congresses, and sporting events have used it since.

3 Apr 2024Second edition published
2012First edition, for London 2012
TC 354/SC 1Sustainability in event management

Sources: ISO 20121:2024 (ISO) · What's new in ISO 20121:2024 (SGS)

Who this is for

Which Event Businesses Need ISO Certification?

Anyone whose events are judged by clients, sponsors, or regulators on how they are run, not just how they look.

Event organizers

Conferences, festivals, sporting events, and corporate events.

Venues

Arenas, stadiums, theaters, and conference centers.

Exhibition centers

Trade shows and exhibitions with many contractors on site.

Production suppliers

Staging, AV, lighting, and temporary structures.

Hospitality partners

Hotels and caterers serving events. See ISO for hospitality.

Destination bodies

Convention bureaus and host cities bidding for events.

Standards map

ISO Certification for Events: Standards and What We Provide

Lead with ISO 20121, then add what your clients and regulators ask for.

StandardWhat it coversWho usually needs itWhat Accredify Global provides
ISO 20121Event sustainability managementOrganizers, venues, and suppliersCertification
ISO 45001Occupational health and safetyVenues, production, and crewsCertification
ISO 9001Quality managementAgencies and service suppliersCertification
ISO 14001Environmental managementVenues with ongoing operationsCertification
ISO 22301Business continuityLarge events and critical venuesCertification
ISO 27001Information securityTicketing and registration platformsCertification
ISO 50001Energy managementArenas and convention centersCertification
ISO 22000Food safety managementVenue catering operationsCertification
GDPREU personal data protectionEvents with European attendeesReadiness

ISO 50001 is within our UAF accreditation scope. For the other standards listed, your proposal names the certification body that will issue your certificate.

Across the event lifecycle

Where Standards Apply, From Bid to Legacy

Each phase carries different risks. Auditors look for controls that match the phase.

Bid and planningSustainability goals, risk assessment, and budgets.
ProcurementSupplier criteria for waste, labor, and local spend.
BuildTemporary structures, contractor safety, and permits.
Live eventCrowd management, accessibility, and incident response.
BreakdownWaste separation, reuse, and site restoration.
Review and legacyResults measured, lessons learned, and impact reported.

The build and breakdown phases are where most surprises happen. Contractors work long hours to tight deadlines, waste piles up fast, and temporary power and structures carry real risk. A good system plans these phases as carefully as the live show. An auditor on site during build often learns more in an hour than a week of paperwork can show. That is why we try to time Stage 2 with an event you are already running, so there is no extra disruption for your team.

On the audit

What an Event Management Audit Checks

We trace one recent or upcoming event through your plans, contracts, and on-site records.

Areas we test

  • Sustainability policy and event-specific objectives
  • Stakeholder engagement with clients, cities, and communities
  • Supplier selection and contract clauses
  • Risk assessments for crowds and temporary structures
  • Accessibility and inclusion arrangements
  • Waste, energy, and travel data per event
  • Post-event review and legacy reporting

Common gaps we find

  • Sustainability goals set but never measured after the event
  • Supplier contracts with no sustainability terms
  • Contractor safety inductions not recorded during build
  • Accessibility treated as a venue issue only
  • Lessons from one event not applied to the next
How it works

How ISO Certification for Events Works, Step by Step

Six stages, planned around your event calendar. Our ISO certification process guide has more detail.

Free scoping reviewEvent types, venues, calendar, and deadlines.
Tailored proposalAudit man-days and which event to observe.
Stage 1 auditPolicy, scope, and planning system reviewed.
Stage 2 auditOffice records and, ideally, a live event.
Certification decisionTaken independently, once major findings close.
Surveillance & renewalYearly visits, then recertification in year three.

Is a flagship event coming up? Tell us the date and we can plan the Stage 2 audit around it.

Book a free scoping review
Scope and cost

What Drives the Cost of ISO Certification for Events

There is no list price. The cost follows the audit man-days your scope needs, and a free scoping review gives you a tailored proposal.

What sets the audit time

  • People: permanent staff and core event teams
  • Venues: owned, operated, or regularly used sites
  • Events: number, size, and type each year
  • Risk: crowds, temporary structures, or outdoor sites
  • Standards: one standard, or an integrated audit

Ways to keep it efficient

  • Certify the system, so every event is covered
  • Audit sustainability and safety together
  • Time Stage 2 with an event you are already running
  • Use post-event reports as audit evidence
  • Reuse supplier checks across events
Choosing a partner

How to Choose a Certification Body for Events

Checks worth making before you sign.

What to checkWhy it matters
Accreditation for each standardClients and sponsors check it. You can verify ours in the UAF directory.
Current editionNew certificates should be to ISO 20121:2024.
Live event auditsAsk whether the body will observe a real event, not just documents.
ImpartialityYour certification body should not also plan your events.
Verifiable certificatesPartners should be able to check yours. Ours appear on our verification page.
PricingAsk for audit man-days in writing. Ours come in a tailored proposal.
Common questions

FAQ: ISO Certification for Events and Venues

Straight answers on ISO 20121, safety, continuity, cost, and timeline.

Which ISO certification is best for event companies and venues?

ISO 20121 is the standard written for events, covering sustainability across environmental, social and economic impacts. Many organizers and venues pair it with ISO 45001 for crowd and worker safety and ISO 9001 for service quality.

What is ISO 20121?

ISO 20121 is the international standard for event sustainability management systems. It helps organizers, venues and suppliers reduce negative impacts and create positive ones across planning, delivery and legacy. The current edition is ISO 20121:2024.

What changed in ISO 20121:2024?

The second edition, published on 3 April 2024, replaced the 2012 edition. It adds stronger attention to human rights and children's rights, event legacy, and inclusivity, and uses the harmonized management system structure.

Where did ISO 20121 come from?

It was developed for the London 2012 Olympic and Paralympic Games, building on the British Standard BS 8901. Major sporting events, conference centers and festivals have used it since.

Can a single event be certified to ISO 20121?

Yes. Certification can cover an organization's management system for all its events, or a defined event. Many organizers certify the system so every future event is covered.

Do venues need ISO 20121?

Venues use it to show organizers that the space supports sustainable events, from energy and waste to accessibility and local suppliers. Many venues add ISO 14001 or ISO 50001 for deeper environmental control.

Which standard covers crowd and worker safety at events?

ISO 45001 covers occupational health and safety, including contractors, temporary structures and crowd management risks that affect workers and attendees.

Which standard helps if an event is cancelled or disrupted?

ISO 22301 is the business continuity standard. It helps organizers plan for weather, supplier failure, security incidents and other disruptions.

Do event companies need ISO 27001?

If you handle attendee registrations, payments or ticketing data, ISO 27001 shows that personal and payment-related data are protected. It also helps with GDPR for European attendees.

Is ISO 20121 only about the environment?

No. It covers environmental, social and economic sustainability, including fair labor, accessibility, local economic benefit and community impact.

Can one certificate cover several venues or event brands?

Yes. Sites and teams that run the same management system can share one certificate. The certification body samples sites and events and audits the central function every time.

How long does ISO certification take for an event company?

Most organizations with a working system certify in 6 to 12 weeks from Stage 1 to the certificate. Auditors may want to see a live event, so timing depends on your calendar.

How much does ISO certification cost for events?

The cost follows the audit man-days your scope needs. Headcount, venues, the number and size of events, and the standards in scope set the man-days. A free scoping review gives you a tailored proposal.

Is accredited ISO 20121 certification available?

Yes, from certification bodies accredited for it. Your proposal names the certification body that will issue your certificate.

Does Accredify Global help plan our sustainable events?

No. As a certification body we must stay impartial, so we audit and certify but do not plan events or write your system.

Free scoping review

Run Events Clients Can Stand Behind

Tell us about your events, venues, and calendar. We'll map the right ISO certification for events and send a tailored proposal.

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Last reviewed by the Accredify Global certification team.