--- title: "Carbon accounting platforms: Which are searched most?" description: "Compare the platforms businesses measure emissions with. Share of Search among Plan A, Normative, Greenly, Persefoni and Watershed, the carbon accounting 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/carbon-accounting-platforms" publisher: "Brandwave" --- # Carbon accounting platforms: Which are searched most? Compare the platforms businesses measure emissions with. Share of Search among Plan A, Normative, Greenly, Persefoni and Watershed, the carbon accounting 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**: Carbon accounting platforms - **Market**: Global - **Brands compared**: 5 - **Month measured**: Aug 2026 - **Highest Share of Search**: Plan A, 54.7% ## Which brand is most popular in search among carbon accounting platforms worldwide? - In August 2026, Plan A was the most searched among carbon accounting platforms worldwide, with an estimated 82.6K branded searches and 54.7% estimated Share of Search within this set. - Normative is in 2nd place, 27.9 percentage points behind at 26.8% Share of Search. - Across the 11 months ending August 2026, Plan A’s estimated Share of Search among carbon accounting platforms worldwide increased from 49.7% to 54.7%. - Across the 11 months ending August 2026, Normative’s estimated Share of Search among carbon accounting platforms worldwide decreased from 29.8% to 26.8%. - Across the 11 months ending August 2026, Greenly’s estimated Share of Search among carbon accounting platforms worldwide decreased from 16.3% to 14.7%. - Across the 11 months ending August 2026, Plan A’s estimated Share of Search among carbon accounting platforms worldwide peaked at 58.2% in July 2026 and was lowest at 39.6% in January 2026. - Across the 11 months ending August 2026, Normative’s estimated Share of Search among carbon accounting platforms worldwide peaked at 44.3% in January 2026 and was lowest at 20.6% in July 2026. - Across the 11 months ending August 2026, Greenly’s estimated Share of Search among carbon accounting platforms worldwide peaked at 19% in June 2026 and was lowest at 13.3% in January 2026. - Across the 11 months ending August 2026, Persefoni’s estimated Share of Search among carbon accounting platforms worldwide peaked at 4.1% in July 2026 and was lowest at 2.6% in January 2026. - Across the 11 months ending August 2026, Persefoni and Watershed held steady: their estimated Share of Search among carbon accounting platforms worldwide each moved less than 0.5 percentage points. ## Compare search popularity between leading brands - [Plan A vs Normative: compare search popularity](/demand/global-en/compare/normative-vs-plan-a): 54.7% against 26.8% Share of Search. - [Plan A vs Greenly: compare search popularity](/demand/global-en/compare/greenly-vs-plan-a): 54.7% against 14.7% Share of Search. - [Plan A vs Persefoni: compare search popularity](/demand/global-en/compare/persefoni-vs-plan-a): 54.7% against 3.6% Share of Search. - [Normative vs Greenly: compare search popularity](/demand/global-en/compare/greenly-vs-normative): 26.8% against 14.7% Share of Search. - [Normative vs Persefoni: compare search popularity](/demand/global-en/compare/normative-vs-persefoni): 26.8% against 3.6% Share of Search. - [Greenly vs Persefoni: compare search popularity](/demand/global-en/compare/greenly-vs-persefoni): 14.7% against 3.6% Share of Search. ## How did search popularity change for carbon accounting platforms worldwide in August 2026? - In August 2026, Normative gained estimated Share of Search among carbon accounting platforms worldwide, from 20.6% to 26.8%. - In August 2026, Plan A lost estimated Share of Search among carbon accounting platforms worldwide, from 58.2% to 54.7%. - In August 2026, Greenly lost estimated Share of Search among carbon accounting platforms worldwide, from 16.9% to 14.7%. - In August 2026, Persefoni lost estimated Share of Search among carbon accounting platforms worldwide, from 4.1% to 3.6%. - 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 | Plan A | 54.7% | 82.6K | +7.8% | Plan A | | 2 | Normative | 26.8% | 40.5K | +49.4% | Normative | | 3 | Greenly | 14.7% | 22.2K | 0.0% | Greenly | | 4 | Persefoni | 3.6% | 5.4K | 0.0% | Persefoni | | 5 | Watershed | 0.21% | 320 | -17.9% | Watershed | ## Historical estimated branded-search demand | Month | Brand | Estimated monthly branded searches | Share of Search | Rank | | --- | --- | --- | --- | --- | | Oct 2025 | Plan A | 82.6K | 49.7% | 1 | | Oct 2025 | Normative | 49.5K | 29.8% | 2 | | Oct 2025 | Greenly | 27.1K | 16.3% | 3 | | Oct 2025 | Persefoni | 6.6K | 4% | 4 | | Oct 2025 | Watershed | 390 | 0.23% | 5 | | Nov 2025 | Plan A | 67.6K | 45.1% | 1 | | Nov 2025 | Normative | 49.5K | 33% | 2 | | Nov 2025 | Greenly | 27.1K | 18.1% | 3 | | Nov 2025 | Persefoni | 5.4K | 3.6% | 4 | | Nov 2025 | Watershed | 320 | 0.21% | 5 | | Dec 2025 | Plan A | 67.6K | 49.7% | 1 | | Dec 2025 | Normative | 40.5K | 29.8% | 2 | | Dec 2025 | Greenly | 22.2K | 16.3% | 3 | | Dec 2025 | Persefoni | 5.4K | 4% | 4 | | Dec 2025 | Watershed | 260 | 0.19% | 5 | | Jan 2026 | Normative | 90.5K | 44.3% | 1 | | Jan 2026 | Plan A | 81K | 39.6% | 2 | | Jan 2026 | Greenly | 27.1K | 13.3% | 3 | | Jan 2026 | Persefoni | 5.4K | 2.6% | 4 | | Jan 2026 | Watershed | 390 | 0.19% | 5 | | Feb 2026 | Plan A | 73.6K | 47.2% | 1 | | Feb 2026 | Normative | 49.5K | 31.7% | 2 | | Feb 2026 | Greenly | 27.1K | 17.4% | 3 | | Feb 2026 | Persefoni | 5.4K | 3.5% | 4 | | Feb 2026 | Watershed | 320 | 0.21% | 5 | | Mar 2026 | Plan A | 99K | 54.6% | 1 | | Mar 2026 | Normative | 49.5K | 27.3% | 2 | | Mar 2026 | Greenly | 27.1K | 14.9% | 3 | | Mar 2026 | Persefoni | 5.4K | 3% | 4 | | Mar 2026 | Watershed | 320 | 0.18% | 5 | | Apr 2026 | Plan A | 82.6K | 50.1% | 1 | | Apr 2026 | Normative | 49.5K | 30% | 2 | | Apr 2026 | Greenly | 27.1K | 16.4% | 3 | | Apr 2026 | Persefoni | 5.4K | 3.3% | 4 | | Apr 2026 | Watershed | 320 | 0.19% | 5 | | May 2026 | Plan A | 82.6K | 53% | 1 | | May 2026 | Normative | 40.5K | 26% | 2 | | May 2026 | Greenly | 27.1K | 17.4% | 3 | | May 2026 | Persefoni | 5.4K | 3.5% | 4 | | May 2026 | Watershed | 320 | 0.21% | 5 | | Jun 2026 | Plan A | 76.6K | 53.7% | 1 | | Jun 2026 | Normative | 33.1K | 23.2% | 2 | | Jun 2026 | Greenly | 27.1K | 19% | 3 | | Jun 2026 | Persefoni | 5.4K | 3.8% | 4 | | Jun 2026 | Watershed | 320 | 0.22% | 5 | | Jul 2026 | Plan A | 76.6K | 58.2% | 1 | | Jul 2026 | Normative | 27.1K | 20.6% | 2 | | Jul 2026 | Greenly | 22.2K | 16.9% | 3 | | Jul 2026 | Persefoni | 5.4K | 4.1% | 4 | | Jul 2026 | Watershed | 390 | 0.3% | 5 | | Aug 2026 | Plan A | 82.6K | 54.7% | 1 | | Aug 2026 | Normative | 40.5K | 26.8% | 2 | | Aug 2026 | Greenly | 22.2K | 14.7% | 3 | | Aug 2026 | Persefoni | 5.4K | 3.6% | 4 | | Aug 2026 | Watershed | 320 | 0.21% | 5 | | Sep 2026 | Greenly | — | — | — | | Sep 2026 | Normative | — | — | — | | Sep 2026 | Persefoni | — | — | — | | Sep 2026 | Plan A | — | — | — | | Sep 2026 | Watershed | — | — | — | ## What is being compared - **Greenly**: Measured on the search term “greenly”. - **Normative**: Measured on the search term “normative”. - **Persefoni**: Measured on the search term “persefoni”. - **Plan A**: Measured on the search terms “plan a” and “plana”, summed into one figure. - **Watershed**: Measured on the search term “watershed climate”. - [Greenly](/demand/global-en/brands/greenly) - [Normative](/demand/global-en/brands/normative) - [Persefoni](/demand/global-en/brands/persefoni) - [Plan A](/demand/global-en/brands/plan-a) - [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 carbon accounting platforms worldwide? In August 2026, Plan A was the most searched among carbon accounting platforms worldwide, with an estimated 82.6K branded searches and 54.7% estimated Share of Search within this set. These are worldwide searches for English-language branded terms. ## Cite this page Brandwave. "Carbon accounting platforms: Which are searched most?". https://gobrandwave.com/demand/global-en/categories/carbon-accounting-platforms This page is also available as HTML at https://gobrandwave.com/demand/global-en/categories/carbon-accounting-platforms. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.