British International Investment describes their impact score methodology, a key element of their impact management system.
British International Investment's Impact Score
British International Investment’s impact management approach targets productive, sustainable, and inclusive impact.
Episode 7: Impact Assessment : Challenges & Best Practices
Signatories discuss their impact assessment methodologies and impact measurement systems, and provide an overview of the emerging best practices and challenges.
October 18, 2021
About the Panelists:
Episode 6: Impact Principles & Impact Management Project: How We Collaborate and The Path Forward
Episode 6 of the Impact Principles Webinar Series provides updates and insights into the newly launched Impact Management Platform along with Impact Frontiers, an IMP initiative used by many Signatories.
August 24, 2021
About the Panelists:

How to use IRIS+ AND HIPSO Indicators Together
This joint GIIN/HIPSO document, revised in February 2021, provides guidance on how to use IRIS metrics alongside HIPSO indicators.

2020 State of IMM practice (2nd edition)
This report provides a comprehensive view of how investors assess impact and the trends that have shaped IMM practices over the past few years.
Zurich Insurance Impact Measurement Framework
Zurich Insurance shares their approach to impact measurement as a guide for others. To achieve that, having clear processes and guidelines in place to calculate the impact that defines this investment approach is essential.