Alternatives
Watershed alternatives in 2026
Watershed is the best known name in enterprise carbon management, with deep data and named audit partnerships. It is sold through a demo, and some teams want something smaller, more specific or closer to the tools they use. Here are four alternatives, compared on the same rows.
Last checked October 2026
| Watershed | Formist | Greenly | Persefoni | Coolset | |
|---|---|---|---|---|---|
| Scope 1, 2 and 3 inventory | YesMethodologies for all 15 Scope 3 categories.[1] | YesA GHG Protocol inventory workbook.[2] | YesActivity based and spend based methods.[3] | YesAll 15 categories.[4] | YesFrom financial records.[5] |
| CSRD and ESRS | YesESRS metrics calculated automatically, with automated checks.[6] | YesESRS datapoint mapping and gap analysis.[7] | YesDouble materiality and XBRL tagged reports.[8] | YesA report builder for CSRD and ISSB.[4] | YesDouble materiality and ESRS templates.[9] |
| CBAM declaration | Not listed on their siteCBAM is not among the solutions Watershed lists.[10] | YesDrafts a validated CBAM declaration package.[11] | YesQuarterly XML for the EU portal.[12] | Not listed on their siteNot among the features on its pricing page.[4] | Not listed on their siteNot in the product menu on its home page.[13] |
| Works from your own documents | YesAutomated PDF ingestion and processing.[1] | YesReads invoices, meter readings and shipment papers.[11] | YesEcoPilot turns files into categorised data.[3] | Not listed on their siteNot described on its pricing page.[4] | YesUpload documents in a conversation with its assistant.[14] |
| Works inside AI assistants or through an API | PartlyA customer API; an MCP connector is not listed.[15] | YesAn MCP server for Claude, ChatGPT and other clients.[16] | Not listed on their siteNot listed on its AI page.[17] | PartlyData APIs in the Advanced tier.[4] | YesAn MCP server.[14] |
When Watershed is still the right choice
- You are a large enterprise and want assurance ready data; Watershed’s CSRD page names partnerships with EY, KPMG and Deloitte.
- You need very deep emission factor coverage across a complex supply chain.
- You want a platform for a whole climate programme, with a vendor team to match.
When an alternative fits better
- Formist: you want filings, including CBAM and ISO 14083, drafted from your documents inside the AI assistant you use.
- Greenly: you want broad EU regulation coverage and a full LCA product in one platform.
- Persefoni: you want to start free with a single user, or need its certification list.
- Coolset: you want an EU compliance suite with experts and auditors included.
How we chose these four
Each one covers GHG inventories and CSRD, and each publishes enough about its product that we could compare it from its own pages. We are Formist, so read our own row with that in mind; every other row links to the vendor’s page.
Questions buyers ask
- What is the best Watershed alternative?
- It depends on what you need from it. For drafting filings from documents inside an AI assistant, Formist. For a broad EU platform with LCA, Greenly. For a free start, Persefoni. For an EU suite with experts included, Coolset.
- What does “not listed on their site” mean?
- We read the page cited for that row and did not find the feature. It does not mean the product cannot do it. Ask the vendor if it matters to you.
- Why is there no price row?
- Most of these vendors quote on request, so a price row would mostly be blank. Ask each vendor for a quote on the same scope.
See Formist on your own documents
Tell us which frameworks you report on and we will walk you through a filing.
Sources
Each mark in the table cites one of these public pages. Products change, so read the source before you rely on a row.
- Watershed Platform read on
- Formist GHG Protocol skill read on
- Greenly Carbon footprint read on
- Persefoni Pricing read on
- Coolset Carbon accounting read on
- Watershed CSRD read on
- Formist CSRD / ESRS skill read on
- Greenly CSRD reporting read on
- Coolset CSRD read on
- Watershed Solutions read on
- Formist Formist Green: sustainability AI read on
- Greenly CBAM read on
- Coolset Home read on
- Coolset Coolset MCP read on
- Watershed Product updates, April 2024 read on
- Formist Connect Formist to your AI assistant read on
- Greenly Artificial intelligence read on
If something here is out of date or wrong, tell us through the contact page and we will correct it.