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About us
Amber is a leading international investment manager. For over 15 years, we have mobilised capital into essential, responsible infrastructure.
What we do
We source, finance and manage infrastructure assets for both the public and private sectors, applying an integrated approach throughout the lifecycle of each investment.
Sectors
Amber develops and invests across a wide range of infrastructure sectors, each characterised by a long-term investment horizon and robust, creditworthy counterparties.
Sustainability
As long-term investors, we recognise the need to consider how a changing world could impact our core business activities and investments.
News and insights
View our latest press releases and insights on key topics from across the business.
People
Our people are essential to our success. We are committed to building exceptional teams, maintaining our unique entrepreneurial spirit, and building a culture that is inclusive and impactful.
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Funds

The Mayor of London's Energy Efficiency Fund

Meef (1280 X 480 Px) (1280 X 360 Px) (1)

The Mayor of London’s Energy Efficiency Fund (MEEF) has invested nearly £180m of capital and mobilised over £470m of finance, which helped towards London’s ambition of being a net zero carbon city by 2030.

MEEF, established by the GLA with funding from the European Commission, has sought to address market failures in London’s low carbon sector by providing flexible and competitive finance to enable, accelerate or enhance viable low carbon projects across London. 

MEEF has built on the success of the GLA’s London Green Fund including the Amber managed London Energy Efficiency Fund (LEEF) 

Since its launch in July 2018, MEEF has contributed towards London’s ambition of being a net zero carbon city by 2030.  Through investment in 24 projects across various boroughs, MEEF has reduced more than 38,000 tonnes of CO2 emissions—an impact comparable to removing 34,675 vehicles from the city's roads. 

MEEF’s investment period officially came to an end in 2025 after a successful seven-year run, including two extensions and additional contributions from public sector partners in view of the Fund’s strong performance. 

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Abellio Bus Depot, UK

For further information

General enquiries

MEEF contacts

Amber Infrastructure Ltd

Joanne Patrick

3 More London Riverside, London SE1 2AQ

020 7939 0550

 

Amber Fund Management Limited is authorised and regulated by the Financial Conduct Authority to act as the Manager of MEEF and to promote the Fund in the United Kingdom.

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