External benchmarking
We believe that it is important to evidence our commitment to operating sustainably. We therefore provide a wealth of relevant information to shareholders and other interested stakeholders.
UN Principles for Responsible Investment
We have been signatories to the UN Principles for Responsible Investment (“UN PRI”) since 2011. 3i scored four out of five stars for the Policy, Governance and Strategy (scoring of 80% vs median of 66%) and Infrastructure (scoring of 89% vs median of 88%) modules and five out of five stars for Private Equity (scoring of 92% vs median of 75%) module in the 2025 UN PRI assessment report.
Sustainability indices
3i is a member of FTSE4Good Index Series and of the Solactive Europe Corporate Social Responsibility Index.
Sustainability ratings
We engage with multiple rating providers that assess our ESG performance based on their own methodologies. The summary of our ratings as at 14 May 2026 (except where indicated) is as follows:
Rating body |
Latest rating |
Scoring scale |
|
| S&P Global CSA | 49 (89th percentile) | Scale: 0-100 (higher scores are better) | |
| FTSE Russell | 4.0 (85th percentile) | Scale: 0 to 5 (higher scores are better) | |
| ISS ESG | ISS ESG Corporate Rating: B- | Scale: A+ to D | |
| Sustainalytics1 | 10.7 Low Risk | Scale: from Negligible (0-10) to Severe (40+) |
1 As at January 2026. Copyright © 2026 Morningstar Sustainalytics. All rights reserved. This section contains information developed by Sustainalytics (www.sustainalytics.com). Such information and data are proprietary of Sustainalytics and/or its third party suppliers (Third Party Data) and are provided for informational purposes only. They do not constitute an endorsement of any product or project, nor an investment advice and are not warranted to be complete, timely, accurate or suitable for a particular purpose. Their use is subject to conditions available at https://www.sustainalytics.com/legal-disclaimers