Persefoni vs Plan A
Persefoni
persefoni.comPlan A
plana.earthSide by side
| Figure | Persefoni | Plan A |
|---|---|---|
| Price from | Free | — |
| Free plan | Yes | — |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| API | Yes | Yes |
| Plans published | 2 | 3 |
| Spec score · Sustainability Management Software | 7.5 (#2) | 6.9 (#5) |
| Spec score · ESG Software | 7.6 (#2) | 7.0 (#5) |
| Spec score · Environmental, Social and Governance Reporting Software | 7.5 (#3) | 6.9 (#4) |
| Spec score · Carbon Emissions Management Software | 7.6 (#4) | 7.0 (#8) |
| Spec score · Environmental Software | 7.4 (#5) | 6.8 (#7) |
| Spec score · Corporate Sustainability Software | 7.5 (#4) | 6.9 (#7) |
| Spec score · Emissions Management | 7.5 (#5) | 6.9 (#7) |
| Spec score · Environmental, Energy & Sustainability Software | 7.4 (#5) | 6.8 (#8) |
| Spec score · Carbon Accounting Software | 7.4 (#20) | 6.8 (#25) |
| API access | The Advanced plan lists APIs and Integration Hub for data ingestion. | The API terms limit API use to integrating client system data with Plan A's carbon accounting services and say rate limits may apply. |
| Founded | 2020 | 2017 |
| Headquarters | Mesa, Arizona, United States | Berlin, Germany |
| Integrations | Integration Hub lists Amazon Web Services, Concur, Expensify, Google Sheets, Navan, and utility providers as integrations. | The platform provides an API to upload data into Plan A or export it to other systems; the company does not name specific software integrations on this page. |
| Security | Persefoni lists SOC 1 Type II, SOC 2 Type II, ISO 27001, and ISO 27017 compliance for both plans. | Plan A states that its data security infrastructure has SOC 2 certification, with proof available on demand. |
| Support | All users can access the Help Center, guides, and tutorials; personalized Concierge Support is a paid upgrade. | The offerings page lists Help Center resources and ticket support, with a dedicated Customer Success Manager included in Pro and Enterprise. |
Plans
In their own words
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.