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What is the CO₂ Performance Ladder?

The CO2 Performance Ladder is an easy and effective tool that drives decarbonisation and innovation. It helps governments buy green and make significant climate impact by giving sustainable companies a financial advantage. It serves as both a procurement instrument and a CO2 management system.

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  • Carbon reduction tool for all organisations
  • Certified organisations gain award advantage
  • Compliant with European procurement law
  • Certified organisations cut CO2 twice as fast
  • GPP best practice according to IPCC, OECD, WEF

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For organisations

Certification

About certification
certification
For contracting authorities

Procurement

About procurement
Procurement
Who is climbing the Ladder

Who is already climbing the Ladder?

More than 8,000 organisations already have a CO₂ Performance Ladder certificate and more than 300 contracting authorities use the CO₂ Performance Ladder in tenders.

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The Ladder in your country

The CO2 Performance is expanding across Europe! It is being introduced in France, Germany, Ireland, Portugal and the UK, alongside its established presence in the Netherlands and Belgium. Find out more about the implementation in your country. 

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Testimonials

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Franky Van den Berghe and Dirk Christianen from Willemen Infra show us around at their asphalt plant in Belgium. How does Willemen Infra reduce its carbon emissions by using the CO2 Performance Ladder?






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Franky Van den Berghe and Dirk Christianen from Willemen Infra show us around at their asphalt plant in Belgium. How does Willemen Infra reduce its carbon emissions by using the CO2 Performance Ladder?






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Willemen Infra and the CO₂ Performance Ladder

Video

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To prepare Amsterdam for major climactic changes the CO₂ Performance Ladder is a guiding principle in Amsterdam’s public procurement. Amsterdam and its partners show us how they work with the Ladder. Over the last 14 years, the CO₂ Performance Ladder has developed into a key Green Public Procurement (GPP) tool and the number one CO₂ management system in the Netherlands and Belgium. To support the implementation of the CO₂ Performance Ladder across Europe, our testimonials represent a selection of stories and examples from the history of the Ladder since 2009. They collect the lessons we have learned: what is needed to successfully implement the Ladder, and what benefits does it bring?

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Screenshot video making Amsterdam sustainable

Making Amsterdam sustainable with the CO₂ Performance Ladder

Video

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Micheál O’Connor, Senior Procurement Executive at Transport Infrastructure Ireland (TII) talks about his experience implementing the Ladder into their procurement process.






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TII’s Experience with the CO₂ Performance Ladder

Video

Find out how international contracting authorities and companies work with the CO2 Performance Ladder and what is needed to successfully implement it.

More
About SKAO

About SKAO

The Foundation for Climate Friendly Procurement and Business (in Dutch: SKAO) is responsible for all matters regarding the Ladder: its use, its continued development, managing the certification scheme, expanding to new industries. SKAO helps companies and governments reduce CO2, aiming for a climate-neutral business environment by connecting parties, sharing knowledge, and building a strong network.

Read more
About SKAO

Blogs

See blogs
Europe flags
  • News

European Commission and SKAO launch Community of Practice

Today (25 March 2025), SKAO and the European Commission launched the CO₂ Performance Ladder Europe Community of Practice (CoP) on the EC’s Public Buyers Platform. This CoP will help public buyers integrate the CO₂ Performance Ladder into their procurement strategies, setting clear targets and embedding structural CO₂‑reduction measures. The CoP…

aanbesteden-in-lijn-eu-wetgeving
  • Blog

Tendering with the CO₂ Performance Ladder: in line with EU procurement law

When issuing a public tender in the EU, you must comply with the requirements of European procurement law. Using the CO2 Performance Ladder as an award criterion to determine the most economically advantageous tender (MEAT) on the basis of the best price-quality is in line with this legislation, provided you…

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Franky Van den Berghe and Dirk Christianen from Willemen Infra show us around at their asphalt plant in Belgium. How does Willemen Infra reduce its carbon emissions by using the CO2 Performance Ladder?

To prepare Amsterdam for major climactic changes the CO₂ Performance Ladder is a guiding principle in Amsterdam’s public procurement. Amsterdam and its partners show us how they work with the Ladder. Over the last 14 years, the CO₂ Performance Ladder has developed into a key Green Public Procurement (GPP) tool and the number one CO₂ management system in the Netherlands and Belgium. To support the implementation of the CO₂ Performance Ladder across Europe, our testimonials represent a selection of stories and examples from the history of the Ladder since 2009. They collect the lessons we have learned: what is needed to successfully implement the Ladder, and what benefits does it bring?

Micheál O’Connor, Senior Procurement Executive at Transport Infrastructure Ireland (TII) talks about his experience implementing the Ladder into their procurement process.