Sphera vs Diligent ESG
Side-by-side from the Top 11 ranking of Workiva vs Watershed vs Persefoni: 11 Best ESG Reporting Software 2026. Last verified July 20, 2026.
The short answer
Sphera ranks higher on Top 11 (#5 vs #6) for Sustainability, finance, and compliance teams choosing software to collect ESG data and file disclosures. Best fit where EHS and ESG data converge.
At a glance
| Sphera | Diligent ESG | |
|---|---|---|
| Top 11 rank | #5 / Workiva vs Watershed vs Persefoni: 11 Best ESG Reporting Software 2026 | #6 / Workiva vs Watershed vs Persefoni: 11 Best ESG Reporting Software 2026 |
| Score (out of 9.4) | 8.2 | 8 |
| Best for | Combined EHS and ESG for industrial operators | ESG tied to board governance and GRC |
| Pricing | $$$$ (enterprise, custom quote) | $$$ (enterprise, custom quote) |
| HQ | Chicago, USA | New York, USA |
| Founded | 2016 | 2001 |
Sphera
Best fit where EHS and ESG data converge.
sphera.comSee full entry in Workiva vs Watershed vs Persefoni: 11 Best ESG Reporting Software 2026
Diligent ESG
Best when ESG reports to the board and GRC.
www.diligent.com/solutions/esgSee full entry in Workiva vs Watershed vs Persefoni: 11 Best ESG Reporting Software 2026
Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.