1
Watershed
Measure and report a company's emissions.
Energy & Environment · official site watershed.com (not linked) · Alternatives
Best Carbon accounting tools (Energy & Environment) in 2026
13 curated Carbon accounting products in Energy & Environment, described in our own words.
2
Normative
Carbon accounting for businesses.
Energy & Environment · official site normative.io (not linked) · Alternatives
3
Sweep
Carbon and ESG data management.
Energy & Environment · official site sweep.net (not linked) · Alternatives
4
Greenly
Carbon accounting aimed at small and mid-sized companies.
Energy & Environment · official site greenly.earth (not linked) · Alternatives
5
Plan A
Decarbonisation and ESG reporting software.
Energy & Environment · official site plana.earth (not linked) · Alternatives
6
Persefoni
Carbon accounting and climate disclosure platform.
Energy & Environment · official site persefoni.com (not linked) · Alternatives
7
Patch
Buy carbon removal through an API or dashboard.
Energy & Environment · official site patch.io (not linked) · Alternatives
8
Cloverly
Carbon credit purchasing via API.
Energy & Environment · official site cloverly.com (not linked) · Alternatives
9
Sylvera
Ratings and data for carbon credits.
Energy & Environment · official site sylvera.com (not linked) · Alternatives
10
Ecologi
Fund climate projects and tree planting with a subscription.
Energy & Environment · official site ecologi.com (not linked) · Alternatives
11
Climeworks
Direct air capture of carbon dioxide.
Energy & Environment · official site climeworks.com (not linked) · Alternatives
12
Charm Industrial
Carbon removal by turning biomass into bio-oil.
Energy & Environment · official site charmindustrial.com (not linked) · Alternatives
13
Heirloom
Direct air capture using limestone.
Energy & Environment · official site heirloomcarbon.com (not linked) · Alternatives
See the full Carbon accounting topic or every Energy & Environment pick.
Questions
What are the best Carbon accounting tools?
On LaunchNest, editors list Watershed, Normative, Sweep first among 13 curated Carbon accounting products.
Are these listings sponsored?
No. LaunchNest rankings are editorial and nothing on this page is a paid placement.