A UK-headquartered investment firm which focuses on areas such as "clean energy" and water resources is expanding westwards, opening an office in the US Northwest.

Impax Asset Management, a UK-headquartered manager focusing on sustainable investments and the environment, has announced the opening of a new office in Portland, Oregon.  

With offices in New York and representation in Washington, DC, the opening of the office in Portland helps to continue the company’s expansion in the US market.  

“Impax’s new West Coast office further strengthens our service to institutional and high net worth investors in resource optimisation, sustainable equity strategies and portfolios incorporating ESG research,” said David Richardson, managing director, Impax Asset Management.

Along with the opening of the office, Molly Ono has been appointed director of business development and client service.    

Ono has around 13 years of experience in institutional asset management. Prior to this, she was a director at Invesco, where is managed relationships with institutional clients, which include endowments, foundations, corporations and public plans for listed equity, private equity and other investment strategies

Currently, Ono is of the board of the Portland Alternative Investment Association and is also a member of the Portland Women in Investment Management.    

Impax now manages £2.5 billion ($4.2 billion) for institutional and high net worth investors globally.