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Our Investments

The Carbon Trust has set up and invested in a number of innovative and pioneering low carbon companies. For business, government, and other professional investors, we also arrange and advise on investments in innovative low-carbon 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.

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.


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

We are also working with Corporate and Government clients to identify, evaluate and incubate early stage companies. Read more on clean technology incubation and venture support.

No Investment Promotion

Regulated activities are carried out by Carbon Trust Ventures Limited (“CTV”), a wholly-owned subsidiary of the Carbon Trust. CTV is authorised and regulated by the Financial Conduct Authority.

The information contained in this site is being made available as part of CTV’s general activity of advising on, and arranging, investments in innovative low-carbon companies. The information provided should not be relied upon in connection with any investment decision and you must take your own view on the merits of, and the risks attached to, any investment decision you may undertake. You may wish to obtain professional advice. 

The material on this site is indicative in nature and has been prepared for information purposes only.  Persons who are not sure of the suitability of any investments should consult an independent financial advisor, and should not rely on information provided on this site in making decisions in relation to their investments.

Nothing on this site should be construed as an invitation to invest in shares or other securities, or any other products or services, or otherwise deal in these or enter into a contract with CTV or any other company.  There are significant risks associated with venture capital investments including, but not limited to, technology risk, execution risk, price risk, liquidity risk, foreign exchange risk, redemption risk, and credit risk. You must take your own view on the merits of, and the risks attached to, any investment decision you may undertake. You may also wish to consult professional financial, legal, accounting, and tax advisors about the risks associated with such investments.

The information is not intended for persons who are retail clients within the meaning of the rules of the Financial Conduct Authority of the United Kingdom or for persons who are restricted in accordance with US, Japanese or other jurisdictions securities laws.

Please read the terms and conditions of use of the Website (located here) carefully as by using the pages of this site you agree to be bound by them.

© 2016 Carbon Trust
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