IRIS Metrics

IRIS is the catalog of generally-accepted performance metrics that leading impact investors use to measure the social, environmental, and financial performance of their investments. IRIS metrics align with a number of 3rd party standards, and proprietary metric sets. These metric sets represent a range of industries and are offered in partnership with leaders in each respective field.

Partner metric sets

These thematic, curated metric sets represent a range of industries and are endorsed by leaders in each respective field.

B Impact Assessment (and GIIRS Rating)

Metrics used by the B Impact Assessment (and GIIRS Rating) to determine an overall rating of an organization’s social and environmental impact, irrespective of an organization’s geography.

Community Banking

Standardized social performance metrics to help communicate the impact generated by Community Development Banking Institutions (CDBIs).

Corporate Sustainability Reporting

IRIS metrics that can form part of a sustainability report based on the GRI G4 Sustainability Reporting Guidelines.

International Financial Institution (IFI) Private Sector Operations

A set of metrics that align with the harmonized indicators for private sector operations (HIPSO) developed by the IFI Working Group on Development Results Indicators Harmonization.

Healthcare Delivery

A set of generally-accepted health metrics developed through a working group chaired by the IRIS Initiative and Center for Health Market Innovations, comprising health delivery practitioners, impact investors, and field experts.

Impact Employment

A set of Impact Employment focused metrics developed through GIIN and Rockefeller Foundation Working Group, composed of Impact Sourcing Service Providers (ISSPs), large corporates, and others with experience hiring with good impact employment practices in place.

Land Conservation

A set of generally-accepted land conservation metrics developed through a working group chaired by the IRIS Initiative, Packard Foundation, and Manta Consulting, and comprising land conservation practitioners, investment managers, impact investors, and field experts.

Early-Stage Enterprises

Five core “cross-portfolio” IRIS metrics and additional sets of “sector-specific” IRIS metrics recommended for use by Toniic members.


Performance measures that help microenterprise programs evaluate and improve their institutional performance, and client outcomes.


Metrics aligned with the Microinsurance Network's Key Performance Indicators focused on social and financial impact of microinsurance products, with market-based feedback provided by LeapFrog Investments, through their FIIRM framework.

Small and Growing Business (SGB)

Metrics to assess the financial, social, and environmental performance of small and growing businesses which are mandated for use by ANDE members.

Social Performance for Microfinance

Metrics used to measure the social performance of microfinance institutions (MFIs).

Sustainable Agriculture

Core indicators created in conjunction with FAST to measure the social, environmental and financial performance of investments in small-to-medium enterprises (SMEs) active in sustainable agricultural value chains.

Smallholder Agricultural Finance

Metrics to measure smallholder agricultural finance, developed by CSAF members.

Download the entire catalog of IRIS metrics: