Empowering businesses
large and small to take climate action.

We want to preserve our planet by helping businesses meaningfully reduce their impact.

CarbonTrail founded by Tom Hallam in Christchurch New Zealand
The number of tonnes of carbon dioxide we have helped organisations discover.

Through innovation and education CarbonTrail works with businesses to understand their impact on the planet and become leaders in the change to a more sustainable world.

By empowering organisations we will have an outsized impact on reducing greenhouse gas emissions, enable businesses to be part of a new economy and ultimately create a better future for the next generation.

Our Core Values

Positive for People & Planet

We are resolute in our approach to reducing environmental impacts and proud of the awesome workplace we create for our people.

Do It Better

We are founded on the concept that there must be a better way and to create new paths for progress.

Fact, Not Fiction

We act transparently based on sound science, best practice and accepted standards. If in doubt, don't hide it or make it up.

Don't be a dick

Be awesome to one another and build great things that help get us out of the mess we’re in.

The CarbonTrail Team:

Tom Hallam

Tom Hallam


I created CarbonTrail to meet our planet's challenges head on and help Aotearoa lead the way in climate response.
Tim Trewinnard

Tim Trewinnard

Head of Commercial

Tim has managed and owned a range of technology businesses and start-ups. He is a keen advocate for leaving the planet in a better state for his children.
Lauren Dowding

Lauren Dowding

Head of Growth

Lauren has helped shape the strategy and customer experience of organisations globally. She's trying to practice what she preaches, working with purpose-driven organisations with a positive impact.
Ben Reid

Ben Reid

Advisory Board Member

Independent strategy and foresight advisor based in Aotearoa New Zealand and working with leadership teams around the Pacific time zone. Focus areas include emerging tech, technology governance, innovation strategy and applied foresight. Ben writes the weekly Memia newsletter covering the latest emerging tech trends and accelerating global change.
Ben O'Grady

Ben O'Grady

Advisory Board Member / vCFO

Ben uses insights to motivate people to make a difference and has a track record of business transformation and growth. He is passionate about the potential for CarbonTrail to initiate behavioural changes by providing efficient and reliable insights into an entity's carbon footprint.

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