Research

Data-driven analysis from our database of sustainability reports.

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Featured

The Assurance Gap in Sustainability Reporting

Fewer than half of sustainability reports carry any independent assurance, and most of what exists is only 'limited'. What 56,565 reports reveal about the assurance gap.

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Guides

What is Sustainability Reporting?

From 26 reports in 1992 to a near-universal expectation in 2026 — a comprehensive overview of sustainability reporting, its motivations, the global regulatory landscape, and the challenges ahead.