CarbonChain vs Persefoni
CarbonChain
carbonchain.comPersefoni
persefoni.comSide by side
| Figure | CarbonChain | Persefoni |
|---|---|---|
| Price from | — | Free |
| Free plan | — | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| API | Yes | Yes |
| Plans published | 2 | 2 |
| Spec score · Sustainability Management Software | 8.2 (#1) | 7.5 (#2) |
| Spec score · ESG Software | 8.2 (#1) | 7.6 (#2) |
| Spec score · Environmental Software | 8.2 (#2) | 7.4 (#5) |
| Spec score · Emissions Management | 8.2 (#2) | 7.5 (#5) |
| Spec score · Corporate Sustainability Software | 8.2 (#2) | 7.5 (#4) |
| Spec score · Carbon Emissions Management Software | 8.2 (#3) | 7.6 (#4) |
| Spec score · Environmental, Energy & Sustainability Software | 8.2 (#3) | 7.4 (#5) |
| Spec score · Carbon Accounting Software | 8.0 (#7) | 7.4 (#20) |
| Founded | 2019 | 2020 |
| Headquarters | United Kingdom | Mesa, Arizona, United States |
| Intended users | The platform is built for commodity traders, manufacturers and banks. | Pro is aimed at companies with low to medium operational complexity, while Advanced is aimed at sustainability ambitious or enterprise scale companies. |
| Reporting | It automates product carbon footprint, corporate disclosure and commodity trade portfolio reporting, including CBAM and CSRD workflows. | The Sustainability Report Builder offers guided workflows for disclosures using qualitative responses and emissions data for frameworks including CSRD, ISSB, and CDP. |
| Support | CarbonChain says it typically answers contact requests within a few hours, and its customer success and support engineers may access customer data to provide support or diagnose issues. | All users can access the Help Center, guides, and tutorials; personalized Concierge Support is a paid upgrade. |
| What it does | CarbonChain provides AI-assisted carbon accounting for supply chains, especially metals, mining, agriculture and manufacturing. | Persefoni provides software for organizations to measure, report, and decarbonize their carbon footprints and manage sustainability disclosures. |
Plans
CarbonChain
- CarbonChainPriced on request
- CarbonChain subscriptionPriced on request
In their own words
CarbonChain
CarbonChain has no write-up on Specifiction yet; its figures are above.
Persefoni
Persefoni provides software for organizations to measure and report carbon footprints, work on decarbonization, and manage sustainability disclosures. Its Pro and Advanced plans cover Scope 1, Scope 2, and all 15 Scope 3 categories. The Sustainability Report Builder guides disclosure work using qualitative responses and emissions data for frameworks including CSRD, ISSB, and CDP. Persefoni Copilot offers in-app carbon accounting support, while PersefoniAI can detect data anomalies; natural-language emission factor mapping is listed as coming soon. Integrations include Amazon Web Services, Concur, Expensify, Google Sheets, Navan, and utility providers. Advanced includes APIs and an Integration Hub for data ingestion. Persefoni describes the service as multi-tenant SaaS hosted on AWS, with encryption at rest using AES 256 and in transit using TLS 1.2 or above. The free Pro plan is limited to one user and excludes detailed GHG Metrics Reports. Advanced allows unlimited users, with pricing available by demo request. Personalized Concierge Support is a paid upgrade; all users can access the Help Center, guides, and tutorials.