Persefoni
Claim this toolMeasure, report, and decarbonize your organization's carbon footprint with AI-powered precision.
Free plan available, paid tiers aboveVisit WebsiteReviews onG2Capterra
20 reviews trackedThe Bottom Line
- Price
- Free plan available, paid tiers above. Compare plans
Key facts
- AI-powered platform for comprehensive carbon accounting and sustainability management.
- Provides assurance-grade GHG emissions reporting for global climate disclosure regulations.
- Offers specialized solutions for financial services and compliance with regulations like California SB 253 and SB 261.
Pros
- Comprehensive coverage of Scope 1, 2, and 3 emissions
- AI-driven tools enhance accuracy and efficiency in carbon accounting
- Strong focus on regulatory compliance, including specific solutions for California SB 253 and SB 261
- Expert support and advisory services from sustainability and regulatory specialists
- High data security and assurance standards (SOC 1 Type II, SOC 2 Type II, ISO 27001, ISO 27017)
Cons
- Specific pricing tiers and detailed feature breakdowns for each tier are not immediately transparent without requesting a demo or signing up.
- Some advanced AI features like natural language emission factor mapping are listed as "coming soon".
What is Persefoni?
Persefoni is a comprehensive carbon accounting and sustainability management platform designed to help businesses of all sizes and complexities measure, report, and decarbonize their greenhouse gas (GHG) emissions. It provides assurance-grade reporting for major climate disclosure regulations and supports net-zero target setting, reduction modeling, and supplier engagement.
The platform leverages PersefoniAI, which includes features like Copilot for technical carbon accounting expertise, anomaly detection for large datasets, and natural language-based emission factor mapping. Persefoni also offers specialized solutions for financial services companies to measure financed emissions and provides expert support for navigating complex regulatory requirements like California's SB 253 and SB 261, offering both software tools and managed services for compliance.
Available on: Web
Ratings Across the Web
4.8(20 reviews)
Persefoni holds an aggregate rating of 4.8 out of 5 from 20 reviews across G2 and Capterra, last checked September 17, 2026.
Ratings aggregated from independent review platforms. Learn more
Preview
Key Features
- Scope 1, 2, and 3 carbon footprint measurement and analytics
- Assurance-grade GHG emissions reporting for major climate disclosure regulations
- Net-zero target setting and reduction modeling
- Supplier engagement for advanced decarbonization
- Financed emissions measurement and analytics for financial services
- Persefoni Copilot (AI-powered chat for carbon accounting expertise)
- AI-powered anomaly detection for emissions data
- Natural language-based emission factor mapping (coming soon)
Pricing Plans
Pricing checked Oct 5, 2026
| Plan | Price | Details |
|---|---|---|
| PRO | Start for free |
+18 moreShow less
|
| ADVANCED | Request a demo |
+28 moreShow less
|
Included in all plans
- Scope 1 Emissions
- Sustainability Report Builder
- Data Reviews & Approvals
- Footprint Ledger
- Audit Trail Tracking
- Value Chain Analytics
- Facility Analytics (incl. Energy, Waste, Water)
- Portfolio Analytics
- Emissions Benchmarking
- Educational Videos & Documentation
- Copilot
- Climate Solutions Expert
- Customer Success Manager
- Footprint Review
- SOC & ISO 27001 Compliant
- Single Sign-On (SSO)
- Multi-Factor Authentication (MFA)
- IP Whitelisting
Is Persefoni worth the price?
Good value
Persefoni's pricing structure is opaque, with only a 'Start for free' PRO tier and 'Request a demo' for the ADVANCED tier.
This suggests that the ADVANCED tier is likely enterprise-grade and potentially expensive, catering to larger organizations with complex carbon accounting needs. The free PRO tier is generous for small businesses or those just starting their carbon footprint journey.
Hidden Costs & Gotchas
Many key features are 'Add-on' in PRO tier
Additional users are an add-on for PRO
Professional Services are an add-on
Reviews
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4.8/5
Across 20 verified user reviews on G2, Capterra
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Persefoni FAQ
How does PersefoniAI's Copilot differ from general-purpose AI chatbots in providing carbon accounting expertise?
Persefoni Copilot is built on the Persefoni LLM, specifically trained with technical carbon accounting expertise. This allows it to provide specialized insights and guidance relevant to GHG Protocol standards and regulatory requirements, unlike general-purpose AI chatbots that lack this domain-specific knowledge.
What specific methodologies does Persefoni use for calculating Scope 3 emissions, especially when actual data is limited?
Persefoni supports complete Scope 3 footprints by utilizing a flexible approach that can range from spend-based estimates to actuals, depending on the available data. It aligns calculation methods with the world's most trusted carbon accounting standards to ensure accuracy and compliance.
For companies needing to comply with California's SB 261, how does Persefoni integrate physical risk data into its climate risk reports?
Persefoni integrates gold-standard physical risk data from the First Street Foundation, which is trusted by institutions like the U.S. Treasury. This data is used to perform initial portfolio assessments using risk and catastrophe models across multiple emissions scenarios, providing comprehensive physical risk insights for the SB 261-compliant TCFD/ISSB-aligned reports.
Beyond the initial reporting cycles for SB 253, how does Persefoni ensure ongoing compliance with potential future updates to CARB's rules, particularly regarding Scope 3 assurance requirements?
Persefoni's platform is built to be adaptable to evolving regulatory landscapes. While CARB's final rules for SB 253 assurance requirements are pending, Persefoni maintains built-in audit trails, AI-powered error detection, and calculation workflows to ensure traceability and confidence, preparing companies for future assurance mandates. They also provide expert guidance and monitor regulatory updates to help clients stay compliant.
Can Persefoni help align data and strategy for companies that need to comply with both SB 253 (emissions reporting) and SB 261 (climate risk disclosure)?
Yes, Persefoni offers a cohesive solution for companies navigating both SB 253 and SB 261. By partnering with Persefoni for both, organizations can ensure data and narratives align across disclosures, reduce friction between reporting teams, and streamline their overall compliance strategy with fewer handoffs and greater clarity.
Source: persefoni.com