--- title: "ESG reporting platforms: Which brands are most popular in search?" description: "Compare the platforms used to report sustainability data. Share of Search among Greenstone, Sphera, Persefoni, Watershed and Sweep, the ESG reporting platforms Brandwave compares worldwide, using the same methodology, market, and reporting period. 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." canonical: "https://gobrandwave.com/demand/global-en/categories/esg-reporting-platforms" publisher: "Brandwave" --- # ESG reporting platforms: Which brands are most popular in search? Compare the platforms used to report sustainability data. Share of Search among Greenstone, Sphera, Persefoni, Watershed and Sweep, the ESG reporting platforms Brandwave compares worldwide, using the same methodology, market, and reporting period. 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. ## Key facts - **Competitive set**: ESG reporting platforms - **Market**: Global - **Brands compared**: 5 - **Month measured**: Aug 2026 - **Highest Share of Search**: Greenstone, 58.1% ## Which brand is most popular in search among ESG reporting platforms worldwide? - In August 2026, Greenstone was the most searched among ESG reporting platforms worldwide, with an estimated 33.1K branded searches and 58.1% estimated Share of Search within this set. - Sphera is in 2nd place, 26.3 percentage points behind at 31.8% Share of Search. - Across the 11 months ending August 2026, Greenstone’s estimated Share of Search among ESG reporting platforms worldwide peaked at 59.2% in December 2025 and was lowest at 54.1% in January 2026. - Across the 11 months ending August 2026, Sphera’s estimated Share of Search among ESG reporting platforms worldwide peaked at 36.3% in April 2026 and was lowest at 31.7% in July 2026. - Across the 11 months ending August 2026, Persefoni’s estimated Share of Search among ESG reporting platforms worldwide peaked at 9.5% in August 2026 and was lowest at 7.9% in March 2026. - Across the 11 months ending August 2026, Greenstone, Sphera, Persefoni, Watershed and Sweep held steady: their estimated Share of Search among ESG reporting platforms worldwide each moved less than 0.5 percentage points. ## Compare search popularity between leading brands - [Greenstone vs Sphera: compare search popularity](/demand/global-en/compare/greenstone-vs-sphera): 58.1% against 31.8% Share of Search. - [Greenstone vs Persefoni: compare search popularity](/demand/global-en/compare/greenstone-vs-persefoni): 58.1% against 9.5% Share of Search. - [Sphera vs Persefoni: compare search popularity](/demand/global-en/compare/persefoni-vs-sphera): 31.8% against 9.5% Share of Search. ## How did search popularity change for ESG reporting platforms worldwide in August 2026? - Estimated monthly branded searches for Sweep worldwide fell 28.6% over 11 measured months, from 70 to 50 in August 2026. - Estimated monthly branded searches for Sphera worldwide fell 18.5% over 11 measured months, from 22.2K to 18.1K in August 2026. - 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. - Estimated monthly branded searches for Watershed worldwide fell 17.9% over 11 measured months, from 390 to 320 in August 2026. ## Share of Search ranking | Rank | Brand | Share of Search | Estimated monthly branded searches | Change vs prior month | Owned by | | --- | --- | --- | --- | --- | --- | | 1 | Greenstone | 58.1% | 33.1K | 0.0% | Greenstone | | 2 | Sphera | 31.8% | 18.1K | 0.0% | Sphera | | 3 | Persefoni | 9.5% | 5.4K | 0.0% | Persefoni | | 4 | Watershed | 0.56% | 320 | -17.9% | Watershed | | 5 | Sweep | 0.09% | 50 | -44.4% | Sweep | ## Historical estimated branded-search demand | Month | Brand | Estimated monthly branded searches | Share of Search | Rank | | --- | --- | --- | --- | --- | | Oct 2025 | Greenstone | 40.5K | 58.1% | 1 | | Oct 2025 | Sphera | 22.2K | 31.8% | 2 | | Oct 2025 | Persefoni | 6.6K | 9.5% | 3 | | Oct 2025 | Watershed | 390 | 0.56% | 4 | | Oct 2025 | Sweep | 70 | 0.1% | 5 | | Nov 2025 | Greenstone | 40.5K | 59.1% | 1 | | Nov 2025 | Sphera | 22.2K | 32.4% | 2 | | Nov 2025 | Persefoni | 5.4K | 7.9% | 3 | | Nov 2025 | Watershed | 320 | 0.47% | 4 | | Nov 2025 | Sweep | 70 | 0.1% | 5 | | Dec 2025 | Greenstone | 40.5K | 59.2% | 1 | | Dec 2025 | Sphera | 22.2K | 32.4% | 2 | | Dec 2025 | Persefoni | 5.4K | 7.9% | 3 | | Dec 2025 | Watershed | 260 | 0.38% | 4 | | Dec 2025 | Sweep | 70 | 0.1% | 5 | | Jan 2026 | Greenstone | 33.1K | 54.1% | 1 | | Jan 2026 | Sphera | 22.2K | 36.3% | 2 | | Jan 2026 | Persefoni | 5.4K | 8.8% | 3 | | Jan 2026 | Watershed | 390 | 0.64% | 4 | | Jan 2026 | Sweep | 90 | 0.15% | 5 | | Feb 2026 | Greenstone | 33.1K | 58.1% | 1 | | Feb 2026 | Sphera | 18.1K | 31.8% | 2 | | Feb 2026 | Persefoni | 5.4K | 9.5% | 3 | | Feb 2026 | Watershed | 320 | 0.56% | 4 | | Feb 2026 | Sweep | 70 | 0.12% | 5 | | Mar 2026 | Greenstone | 40.5K | 59.1% | 1 | | Mar 2026 | Sphera | 22.2K | 32.4% | 2 | | Mar 2026 | Persefoni | 5.4K | 7.9% | 3 | | Mar 2026 | Watershed | 320 | 0.47% | 4 | | Mar 2026 | Sweep | 140 | 0.2% | 5 | | Apr 2026 | Greenstone | 33.1K | 54.2% | 1 | | Apr 2026 | Sphera | 22.2K | 36.3% | 2 | | Apr 2026 | Persefoni | 5.4K | 8.8% | 3 | | Apr 2026 | Watershed | 320 | 0.52% | 4 | | Apr 2026 | Sweep | 90 | 0.15% | 5 | | May 2026 | Greenstone | 33.1K | 58.1% | 1 | | May 2026 | Sphera | 18.1K | 31.7% | 2 | | May 2026 | Persefoni | 5.4K | 9.5% | 3 | | May 2026 | Watershed | 320 | 0.56% | 4 | | May 2026 | Sweep | 90 | 0.16% | 5 | | Jun 2026 | Greenstone | 33.1K | 58.1% | 1 | | Jun 2026 | Sphera | 18.1K | 31.8% | 2 | | Jun 2026 | Persefoni | 5.4K | 9.5% | 3 | | Jun 2026 | Watershed | 320 | 0.56% | 4 | | Jun 2026 | Sweep | 70 | 0.12% | 5 | | Jul 2026 | Greenstone | 33.1K | 58% | 1 | | Jul 2026 | Sphera | 18.1K | 31.7% | 2 | | Jul 2026 | Persefoni | 5.4K | 9.5% | 3 | | Jul 2026 | Watershed | 390 | 0.68% | 4 | | Jul 2026 | Sweep | 90 | 0.16% | 5 | | Aug 2026 | Greenstone | 33.1K | 58.1% | 1 | | Aug 2026 | Sphera | 18.1K | 31.8% | 2 | | Aug 2026 | Persefoni | 5.4K | 9.5% | 3 | | Aug 2026 | Watershed | 320 | 0.56% | 4 | | Aug 2026 | Sweep | 50 | 0.09% | 5 | | Sep 2026 | Greenstone | — | — | — | | Sep 2026 | Persefoni | — | — | — | | Sep 2026 | Sphera | — | — | — | | Sep 2026 | Sweep | — | — | — | | Sep 2026 | Watershed | — | — | — | ## What is being compared - **Greenstone**: Measured on the search term “greenstone”. - **Persefoni**: Measured on the search term “persefoni”. - **Sphera**: Measured on the search term “sphera”. - **Sweep**: Measured on the search term “sweep carbon”. - **Watershed**: Measured on the search term “watershed climate”. - [Greenstone](/demand/global-en/brands/greenstone) - [Persefoni](/demand/global-en/brands/persefoni) - [Sphera](/demand/global-en/brands/sphera) - [Sweep](/demand/global-en/brands/sweep) - [Watershed](/demand/global-en/brands/watershed) ## Methodology - [How is branded search demand measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused. ## Frequently asked questions ### Which brand is most popular in search among ESG reporting platforms worldwide? In August 2026, Greenstone was the most searched among ESG reporting platforms worldwide, with an estimated 33.1K branded searches and 58.1% estimated Share of Search within this set. These are worldwide searches for English-language branded terms. ## Cite this page Brandwave. "ESG reporting platforms: Which brands are most popular in search?". https://gobrandwave.com/demand/global-en/categories/esg-reporting-platforms This page is also available as HTML at https://gobrandwave.com/demand/global-en/categories/esg-reporting-platforms. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.