Irish Life Investment Managers has said it will convert its entire book of assets under discretionary control to a responsible investing approach.
By the end of December, Irish Life said it will have more than €15 billion in assets under management which explicitly consider environmental, social and governance (ESG) factors in their investment approaches.
Irish Life said there is a a growing importance of ESG factors in delivering sustainable longer term returns.
This is especially key around themes such as climate change which Irish Life said will impact on all assets into the future.
"Our clients trust us with their investments and to deliver on our core promise to them - to deliver better futures," Patrick Burke, Managing Director of Irish Life Investment Managers, said.
"The sustainability of these investments, particularly with respect to climate change, is a key issue which needs to be considered by all investment managers," Mr Burke said.
"Today's announcement is a major milestone in this journey as we commit to moving all of our assets under discretionary control to being responsibly invested," he added.
Irish Life has over 1.3 million customers and its caters for their life insurance, pension, investment and health insurance needs.
The announcement took place during Climate Finance Week's ESG Day, organised by Sustainable Nation Ireland and supported by the Department of Finance.