We are One Carbon World.

Make your next climate step with confidence.

We help organisations measure and verify greenhouse gas emissions, set targets, meet reporting requirements and develop practical climate strategies, with specialist support across value chains, FLAG, carbon removals and nature-based solutions.

Proud to partner with:

Sustainable Development GoalsBRCUN Global CompactUnited Nations Global Climate Action
Aerial view of farmland, woodland and a river at golden hour
Laptop showing an emissions dashboard and a map of farm fields
Young crop seedling with its leaves and roots visible in healthy soil
Modern glass building with planted terraces, framed by green trees

How OCW helps

Technical expertise. Practical support.

From a defined project to an ongoing partnership, we help organisations measure, verify, report and reduce greenhouse gas emissions.

Client experience

Working with organisations across sectors.

World Surf LeagueSopra SteriaSPARCaravela CoffeeWorld SailingAlixPartnersRobertsonFESSailGPWestfalia FruitNew Look

“Farrington Oils have worked closely with One Carbon World calculating our whole business carbon footprint on our journey to net zero.”

Farrington Oils

Owner

Carbon measurement

“Client focused ‘not for profit’ OCW has been an excellent partner to us on our climate initiatives over the past three years. Their grant funded nature based carbon offset programme gives genuine value to organisations in their journey to a Net Zero economy.”

Sopra Steria

Head of Climate and Environmental Sustainability

Climate strategy & support

“We could not speak more highly of our experience working with One Carbon World.”

World Surf League

Chief Purpose Officer and Executive Director

Carbon footprints

“Supported by One Carbon World and its grant funding, the UCI has been able to accurately measure, actively reduce, and effectively balance emissions, laying a solid foundation for more sustainable practices.”

Union Cycliste Internationale

Cycling for All & Sustainability Manager

Climate strategy & reduction

“OCW has been an invaluable partner for Westfalia Fruit in our sustainability journey. With their meticulous approach, they have supported us in measuring the carbon footprint of all our operations and farms.”

Westfalia Fruit

Environmental Specialist

Carbon footprints
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One Carbon World at the UN

Did you know One Carbon World wrote the
official sustainability report for COP27?

COP27

COP27 Sharm El-Sheikh Egypt 2022

Official sustainability report and emissions verification.

COP28

COP28 UAE

International Climate Positive Award.

COP29

COP29 Baku Azerbaijan

Partnerships and business collaboration.

COP30

COP30 Belém, Brazil official logo

In-person and online participation; UK COP30 Pavilion showcase.

COP31

COP31 Türkiye Antalya logo

Update coming soon.

Your next step

Get in touch today.Let’s shape the right support for you.

Whether you are starting your climate journey, need help with a specific requirement, or want to build on work already underway, choose the option that works best for you.

Call us

Not sure where to start?

Talk to our team and we’ll help point you in the right direction.

Call +44 20 7139 5114

Book a virtual expert meeting

Want to discuss your organisation’s needs?

Book a meeting with one of our experts to discuss your objectives, current position and the support that may be right for you.

Book a meeting

Email us

Have a specific question?

Send us your question and we’ll direct it to the right person in our team.

Email us

Request a proposal

Know what support you’re looking for?

Tell us about your organisation and what you need help with. We’ll review your requirements and come back with the most appropriate next step.

Tell us what you need