Persefoni
Claim this toolMeasure, report, and decarbonize your organization's carbon footprint with AI-powered precision.
Visit WebsiteReviews onG2Capterra
20 reviews trackedThe Bottom Line
Entry price
Free plan available, paid tiers above
Biggest pro
Comprehensive coverage of Scope 1, 2, and 3 emissions
Biggest con
Specific pricing tiers and detailed feature breakdowns for each tier are not immediately transparent without requesting a demo or signing up.
TL;DR - Persefoni
- 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.
Pricing: Free plan available
Best for: Growing teams
4.8/5 across review platforms
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
Pros & Cons
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".
Ratings Across the Web
4.8(20 reviews)
Ratings aggregated from independent review platforms. Learn more
Preview
Key Features
Scope 1, 2, and 3 carbon footprint measurement and analyticsAssurance-grade GHG emissions reporting for major climate disclosure regulationsNet-zero target setting and reduction modelingSupplier engagement for advanced decarbonizationFinanced emissions measurement and analytics for financial servicesPersefoni Copilot (AI-powered chat for carbon accounting expertise)AI-powered anomaly detection for emissions dataNatural language-based emission factor mapping (coming soon)
Pricing Plans
Pricing checked Jul 5, 2026
PRO
Start for free
Everything in all plans, plus:
- Scope 1, 2, and 3 carbon footprint total
- Compliance with customer Supply Chain requests (i.e. CDP, Ecovadis, etc.)
- Foundational understanding of carbon accounting
- Confidence in expanding your sustainability efforts
- Scope 2 Emissions
- Scope 3 Emissions (Categories 1-15)
- Inventory Management
- Data Ingestion
ADVANCED
Request a demo
Everything in all plans, plus:
- Repeatable, scalable carbon accounting processes tailored to your organization’s measurement frequency and granularity needs
- Footprint analysis and insights that enhance business storytelling and inform carbon management decisions
- A seamless transition from GHG inventory development to full-scale sustainability disclosures
- Reduction modeling to guide decarbonization efforts
- Enhanced business knowledge and sustainability program management capacity
- Scope 2 Emissions (Market-Based for renewable energy tracking)
- Scope 3 Emissions (Categories 1-15, Expanded Calculation / Emission Factor Granularity)
- PCAF / Financed Emissions
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
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