GRESB Guides is an online repository and documentation hub that provides detailed instructions and methodological frameworks for the GRESB Assessments. It serves as a central resource for understanding how environmental, social, and governance (ESG) performance is measured and reported within the real estate and infrastructure sectors. Finance professionals use these guides to interpret GRESB scores and align their reporting practices with global benchmarks.

Organisation behind the tool

The tool is developed and maintained by GRESB, an industry-led organisation that provides actionable ESG data and benchmarks to financial markets. GRESB operates as a mission-driven body that standardises ESG reporting for physical assets globally.

What the tool does

• Provides comprehensive reference guides for Real Estate and Infrastructure Assessments.
• Outlines the 2026 Standard Methodology Insights to increase transparency around methodological evolution.
• Details scoring documents and assessment completion procedures for participants.
• Offers technical documentation on data validation, performance indicators, and benchmark construction.

Target audience

The primary users include institutional investors, asset managers, and property companies participating in GRESB assessments. It is also utilised by ESG consultants and researchers analysing sustainability trends in the built environment.

Relevance to finance professionals

• Risk assessment – Enables investors to understand the methodology behind climate risk and resilience metrics for physical assets.
• ESG analysis – Provides the technical definitions for social and environmental indicators used in portfolio-level sustainability reporting.
• Market/commodity insights – Offers benchmarks for infrastructure and real estate sectors, helping to identify market leaders in sustainability.
• Investment context – Supports the alignment of investment strategies with international ESG disclosure frameworks.