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Our Investments

The Carbon Trust has set up and invested in a number of innovative and pioneering low carbon companies. We are also working with Corporate and Government clients to identify, evaluate and incubate early stage companies.


A dynamic renewable-energy company manufacturing flexible, robust and lower cost solar cells, principally for off-grid use.

Partnerships for Renewables

The leading developer and operator of onshore wind generation for public sector bodies in the UK.

Low Carbon Workplace

Commercial property development partnership between the Carbon Trust, Columbia Threadneedle and Stanhope. The partnership acquires commercial office buildings and refurbishes them into modern, energy efficient workplaces. Occupiers benefit from ongoing support from the Carbon Trust, helping them to minimise their carbon emissions.

Solar Press


An exciting new company seeking to commercialise Organic Photovoltaics (OPV) technology for global use at unbeatable prices.


A consortium of British businesses pioneering the development of a world-class, commercially viable biofuel process.

ITM Power

ITM Power designs and manufactures hydrogen energy systems for energy storage and clean fuel production.  With support from the Carbon Trust’s Polymer Fuel Cells Challenge, ITM Power is developing fuel cell technology for motor vehicles that leverages its unique high power density membrane.


Ilika is an advanced cleantech materials discovery company.  The Carbon Trust’s Polymer Fuel Cells Challenge is supporting commercialisation of Ilika’s proprietary high performing electro-catalysts for use in fuel cell vehicles  as a platinum replacement.

Venture Capital Portfolio

We have made early stage venture capital and seed investments to accelerate the commercialisation of clean energy businesses in the UK.  Current investments are listed below.


Innovative energy efficiency provider of solutions to reduce the cooling requirements for electronic data centre and telecommunications equipment.


Intamac offers monitoring, automation and control services for the connected home via a cloud based service management platform.

Open Energi

Open Energi helps energy users to unlock new revenues from their energy loads, with a range of energy demand management solutions.


Oxsensis is pioneering in a new breed of optical instrumentation for precision control in super-harsh environments such as power generation, aero engines and airframes, oil and gas production and exploration, industrial processing and heavy transport.

Green Biologics

Develops and utilises environmentally friendly microbial biotechnologies, with a focus on the global renewable chemicals and biofuels markets.

Acal Energy

Innovative chemical company developing and licensing a ground‐breaking platinum free liquid catalyst, FlowCath®.  They are the world's leading developer of low cost Proton Exchange Membrane (PEM) systems used to power fuel cells.


Widely recognised as the world’s most advanced wave power developer, Pelamis Wave Power is the inventor, designer, manufacturer and operator of the Pelamis wave energy machine.

Concurrent Thinking

A fresh approach to data centre management: system management and design of scalable computing products to meet the requirements of the next-generation data centre.


Plaxica is a technology and licensing company focused on the production of next generation biopolymers and platform chemicals from renewable resources.

AM Technology

AM Technology specialises in innovative solutions for the manufacture of high value chemicals, and are a global leader in the design and manufacture of dynamically mixed continuous flow reactors.

Evince Technology

Evince Technology was founded in 2008 to bring to market a radically new family of electronic devices that exploit the unique properties of diamond.

Our Exits

Below are links to a selection of companies which we have exited.


A leading provider of subscriber experience geo-location and automatic network optimization solutions for wireless networks.


Fabless power management IC company, helping customers find more ‘cost-efficient’ ways to design and manufacture energy-efficient power conversion products.

Ceres Power

Fuel cell technology for domestic CHP.

Marine Current Turbines

Marine current and tidal stream energy developer

© 2016 Carbon Trust
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