Regnan is a specialist sustainable and impact investment brand under Perpetual Limited, recognized for its pioneering role in responsible investing since 1996. The company evolved from Monash University's Monash Centre for Environmental Management and has undergone several mergers and partnerships, including with BT GAS and Pendal Group, leading to its full ownership by Perpetual in 2023. Regnan offers a range of services, including ESG research, corporate engagement, advisory services, stewardship, and impact investment management. Its investment management arm operates in the UK under J O Hambro Capital Management, while its Insight and Advisory Centre is based in Australia. Key products include the Regnan Sustainable Water and Waste Fund, the Regnan Credit Impact Trust, and the Regnan Global Equity Impact Solutions Fund, all designed to address environmental challenges and promote sustainable practices. Regnan has been providing stewardship since 2001, focusing on governance advisory for institutional investors and fostering collaboration on ESG issues.