Greenstone vs Persefoni:Which is more popular by branded search?
In August 2026, Greenstone had more branded searches than Persefoni among ESG reporting platforms worldwide. Greenstone was estimated to have 33.1K branded searches compared to Persefoni’s 5.4K, and held a 58.1% Share of Search versus Persefoni’s 9.5%. These are worldwide searches for English-language branded terms.
Follow Greenstone vs Persefoni and get free monthly updates on what changed
By continuing you'll get index updates and occasional product news from Brandwave. Unsubscribe any time. Privacy
Which is more popular in search, Greenstone or Persefoni?
Compare the platforms used to report sustainability data. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.
Share of Search by month for Greenstone, Persefoni. The figures are in the table below the chart.
View monthly share of search table
| Month | Greenstone | Sphera | Persefoni | Watershed | Sweep |
|---|---|---|---|---|---|
| Oct 2025 | 58.1% | 31.8% | 9.5% | 0.56% | 0.1% |
| Nov 2025 | 59.1% | 32.4% | 7.9% | 0.47% | 0.1% |
| Dec 2025 | 59.2% | 32.4% | 7.9% | 0.38% | 0.1% |
| Jan 2026 | 54.1% | 36.3% | 8.8% | 0.64% | 0.15% |
| Feb 2026 | 58.1% | 31.8% | 9.5% | 0.56% | 0.12% |
| Mar 2026 | 59.1% | 32.4% | 7.9% | 0.47% | 0.2% |
| Apr 2026 | 54.2% | 36.3% | 8.8% | 0.52% | 0.15% |
| May 2026 | 58.1% | 31.7% | 9.5% | 0.56% | 0.16% |
| Jun 2026 | 58.1% | 31.8% | 9.5% | 0.56% | 0.12% |
| Jul 2026 | 58% | 31.7% | 9.5% | 0.68% | 0.16% |
| Aug 2026 | 58.1% | 31.8% | 9.5% | 0.56% | 0.09% |
| Sep 2026 | — | — | — | — | — |
How has the Greenstone and Persefoni comparison changed over the last 12 months?
3 findings
- Greenstone was ahead of Persefoni in every measured month of the 11 months ending August 2026.
- Across the 11 months ending August 2026, Greenstone’s estimated Share of Search among ESG reporting platforms worldwide held steady at 58.1%, and its estimated monthly branded searches moved from 40.5K to 33.1K.
- Across the 11 months ending August 2026, Persefoni’s estimated Share of Search among ESG reporting platforms worldwide held steady at 9.5%, and its estimated monthly branded searches moved from 6.6K to 5.4K.
How did search popularity change for ESG reporting platforms worldwide in August 2026?
2 changes
Estimated monthly branded searches for Greenstone worldwide fell 18.3% over 11 measured months, from 40.5K to 33.1K in August 2026.
Estimated monthly branded searches for Persefoni worldwide fell 18.2% over 11 measured months, from 6.6K to 5.4K in August 2026.
How each brand is measured
Brandwave collects information about searches that people make online using Greenstone’s and Persefoni’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
Greenstone
1 branded search term
- greenstone
Persefoni
1 branded search term
- persefoni
Put your own brand in this comparison
Brandwave tracks your branded demand next to the rival you actually watch, with your campaigns, spend and outcomes on the same timeline.