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UK made Biochar and Carbon Credits. Verified by science. Rooted in care for land, people, and planet.
We transform local woody biomass from the South Downs into biochar – regenerating soils and locking carbon away for centuries.
Something is starting in Petersfield, Hampshire
On a working farm on the edge of town, we are commissioning our first pilot biochar production hub.
The feedstock is wood arisings from local tree surgeons working across gardens and green spaces in the Petersfield area – biomass material that would otherwise be discarded.
We turn this biomass into biochar: a stable, carbon-rich material that improves soil health and plant vitality, and sequesters carbon for hundreds of years.
Carbon350 is built around three interconnected services.
Together, they create a circular system that is good for the land, good for local business, and good for the climate.
Soil Oomph
Biochar that improves your soil
Soil Oomph is our range of biochar based soil improvers, for gardeners, landscapers, and everyone serious about soil health.
By supporting soil structure and managing the movement of water and nutrients, biochar builds resilience and provides a vital habitat for the microbial life that makes your soil thrive.
To build practical, scalable carbon removal solutions that are scientifically credible and regenerative, starting with biochar.
By 2035, we aim to:
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Remove 100,000 tonnes CO₂ from the atmosphere annually
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acres of UK soils improved
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Generate 120 GWh of local renewable energy, the same as heating 10,000+ households
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Create 400 green jobs in rural communities
Our Values
How we do things matters as much as what we do. Carbon350 is designed to be regenerative in practice – restoring land, supporting livelihoods, and strengthening the communities we work with. We work in partnership and make decisions with long-term impact in mind, including the health of natural systems.
Build Responsibly
At Carbon350, we believe how you build something matters as much as what you build.
Transparency
We publish our data openly, so anyone can see what we produce, how it’s measured, and where the carbon goes.
Regenerative Partnership
We work in partnership and collaboration, making decisions that consider all stakeholders, nature included – regenerating the land, the people and the communities we work with.
Founded by Catherine Daley
With over 25 years in manufacturing, Catherine knows about systems that work at scale, under pressure. Somewhere along the way, she realised that the industrial model she had learned needed reimagining. Carbon350 is how she’s putting that into practice: to build a business that is rigorous, commercially serious, and regenerative – that goes beyond sustainability to actively restore natural systems while creating shared value throughout its supply chain.
“I want to show that it’s possible to run a business that is genuinely regenerative in its daily operations. I’m doing this by building a carbon removal company, and I believe that mindset can apply to any sector. I’m also exploring ways to ensure nature has a stronger voice in how decisions are made. Carbon350 is that ambition in action.”
“Biochar applied to soil can remain stable for hundreds to thousands of years – making it one of the most durable forms of carbon removal available to us today.“
