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We help businesses and the public sector adopt more sustainable, low carbon operational models by measuring and certifying the resource footprints of organisations, their supply chains, products and services to recognised international standards and by providing Assurance statements that verify environmental claims.

Carbon Trust Certification logos

The Carbon Trust provides independent certification and assurance services that recognise real achievements in sustainability, identify improvement opportunities, enhance your reputation and build trust with customers, investors and stakeholders.

Having developed the world’s first certification for organisational CO2e and product carbon footprints, the Carbon Trust is the leading footprint certification body for carbon, water and waste.

Download the Carbon Trust Certification Overview (PDF)

Our aim is to develop the UK’s most carbon-efficient network, putting our own operations under the microscope and looking for ways to reduce the footprint we leave on the world. By evaluating our impact in conjunction with the Carbon Trust we feel we are doing just that.

Gareth Rice, Head of Environment, O2

Certification services

Carbon Trust Standard

The Carbon Trust Standard is the world’s leading independent certification of an organisation’s impact on the environment by verifying action on the primary components of environmental sustainability: energy use and associated greenhouse gas (CO2e) emissions, water use and waste output.

Product Footprint Certification

Having a certified product footprint allows you to differentiate your product and brand, widen your product’s distribution and increase sales. The Carbon Trust has certified over 25,000 individual product footprints to international standards, many of which display our Product Footprint Label.

ISO 50001 Certification

Certifying your implementation of ISO 50001 with Carbon Trust Certification provides independent assurance from the world’s leading authority on energy management. It validates a ‘best practice’ approach to energy management and underlines your commitment to energy performance improvement.

Green Bonds Certification

The Carbon Trust is the leading expert in assessing green projects and can provide a credible independent view to help inform decision-making in connection with green bonds. We can help you develop a framework for assessing the environmental impact of green projects and provide a comprehensive assessment and report on the green credentials and impact of projects.

Carbon Neutral Certification

Carbon Neutral footprint certification enables you to gain an internationally recognised, fully independent measurement that can be used to communicate your product’s resource efficiency, to drive sales, reduce costs and increase brand loyalty


Airport Carbon Accreditation

The Carbon Trust is an accredited provider of independent third-party verification services against the requirements of the Airport Carbon Accreditation (ACA) programme, which provides airport operators with a framework for proactive carbon management.

Sustainability leaders

Over 1,100 organisations have certified with the Carbon Trust including;

Certified organisations have saved a staggering £165m in energy and operational costs and reduce carbon emissions by over 3.6Mt CO2e every year, with an average annual energy cost saving of £322,000.

See how the Carbon Trust helped Nationwide on their journey to becoming a more sustainable organisation:

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Contact us to find out how our certification services can help your organisation.


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