Overview

Impax Asset Management is a UK-based specialist investment manager founded in 1998. The organisation focuses on investing in companies and assets positioned to benefit from the transition to a more sustainable global economy. Its investment philosophy is centred on the view that environmental and social challenges, including climate change, resource scarcity and demographic change, will shape long-term capital markets and investment opportunities.

Impax manages investment strategies across multiple asset classes, including listed equities, fixed income, infrastructure and private markets. The firm works with institutional and individual investors globally and maintains offices in Europe, North America and Asia.

Mission and focus areas

Impax aims to generate long-term, risk-adjusted returns by identifying opportunities linked to sustainability trends and the transition to a lower-carbon economy. The organisation integrates environmental, social and governance (ESG) analysis into its investment process and emphasises stewardship, engagement and long-term resilience assessment in portfolio management.

Key thematic areas include renewable energy, water, resource efficiency, sustainable food systems, climate solutions and environmental markets. The firm also aligns aspects of its investment approach with global sustainability frameworks, including the Sustainable Development Goals (SDGs) and sustainable finance regulations such as the EU Sustainable Finance Disclosure Regulation (SFDR).

Structure and governance

Impax Asset Management Group plc is publicly listed in the United Kingdom and operates through regulated entities in the UK, Ireland and the United States. Governance is overseen through a board and executive leadership team, with specialist investment teams supporting regional and thematic strategies. Founder Ian Simm serves as Chief Executive Officer.

The organisation incorporates sustainability considerations into governance, risk management and stewardship practices. Engagement with investee companies forms part of its operating model, alongside thematic engagement priorities and proxy voting activities.

Programs and offerings

Impax provides a range of sustainable investment products and strategies for institutional and wholesale investors. Its offerings include actively managed equity strategies, fixed income solutions, infrastructure investments and private equity strategies focused on environmental markets and the energy transition.

The organisation also produces sustainability policies, stewardship reports, ESG integration frameworks and annual impact reporting. Proprietary tools such as the Impax Sustainability Lens support investment analysis by identifying sustainability-related risks and opportunities across sectors and companies.

Mission statement

To generate strong investment outcomes for clients by leveraging deep analysis of the opportunities and risks associated with the transition to a more sustainable economy.