Brandwave

ESG reporting platforms:Which brands are most popular in search?

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.

Share of Search, August 2026
  1. Greenstone58.1%
  2. Sphera31.8%
  3. Persefoni9.5%
  4. Watershed0.56%
  5. Sweep0.09%

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Share of SearchLeaderboard

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 among ESG reporting platforms worldwide, by month

Share of Search by month for Greenstone, Sphera, Persefoni. The figures are in the table below the chart.

View monthly share of search table
MonthGreenstoneSpheraPersefoniWatershedSweep
Oct 202558.1%31.8%9.5%0.56%0.1%
Nov 202559.1%32.4%7.9%0.47%0.1%
Dec 202559.2%32.4%7.9%0.38%0.1%
Jan 202654.1%36.3%8.8%0.64%0.15%
Feb 202658.1%31.8%9.5%0.56%0.12%
Mar 202659.1%32.4%7.9%0.47%0.2%
Apr 202654.2%36.3%8.8%0.52%0.15%
May 202658.1%31.7%9.5%0.56%0.16%
Jun 202658.1%31.8%9.5%0.56%0.12%
Jul 202658%31.7%9.5%0.68%0.16%
Aug 202658.1%31.8%9.5%0.56%0.09%
Sep 2026—————

This month’s ranking, August 2026

  1. 1.Greenstone

    58.1%

    Held 1st. 33.1K estimated branded searches, 0% vs prior month. Share +0.1 points.

  2. 2.Sphera

    31.8%

    Held 2nd. 18.1K estimated branded searches, 0% vs prior month. Share +0.1 points.

  3. 3.Persefoni

    9.5%

    Held 3rd. 5.4K estimated branded searches, 0% vs prior month. Share 0 points.

  4. 4.Watershed

    0.56%

    Held 4th. 320 estimated branded searches, -17.9% vs prior month. Share -0.1 points.

  5. 5.Sweep

    0.09%

    Held 5th. 50 estimated branded searches, -44.4% vs prior month. Share -0.1 points.

Compare search popularity between leading brands

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.

Global ESG reporting platforms, last 12 months ending September 2026
BrandShare of SearchPeakLowRank
Greenstone58.1%59.2%Dec 202554.1%Jan 20261st
Sphera31.8%36.3%Apr 202631.7%Jul 20262nd
Persefoni9.5%9.5%Aug 20267.9%Mar 20263rd
Watershed0.56%0.68%Jul 20260.38%Dec 20254th
Sweep0.1% → 0.09%0.2%Mar 20260.09%Aug 20265th

Each finding as a sentence

  • 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.

How did search popularity change for ESG reporting platforms worldwide in August 2026?

  1. Estimated monthly branded searches for Sweep worldwide fell 28.6% over 11 measured months, from 70 to 50 in August 2026.

  2. Estimated monthly branded searches for Sphera worldwide fell 18.5% over 11 measured months, from 22.2K to 18.1K in August 2026.

  3. Estimated monthly branded searches for Greenstone worldwide fell 18.3% over 11 measured months, from 40.5K to 33.1K in August 2026.

  4. Estimated monthly branded searches for Persefoni worldwide fell 18.2% over 11 measured months, from 6.6K to 5.4K in August 2026.

  5. Estimated monthly branded searches for Watershed worldwide fell 17.9% over 11 measured months, from 390 to 320 in August 2026.

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