Verdantix reported that Persefoni's headcount had fallen by almost 50% over the prior two years. This is a third-party market-analysis claim and was not accompanied by a company-announced layoff figure in the researched primary sources.
SourcePublic company, workplace, funding, and market signals
Updated Aug 16, 2026
Persefoni AI is a private climate-software company providing carbon accounting, sustainability management, climate-risk, decarbonization, and audit-ready disclosure tools for companies and financial institutions. Its platform is designed to bring the rigor of financial reporting to sustainability data and reporting.
Primary product
Persefoni Climate Management & Accounting Platform (CMAP), including enterprise carbon accounting, sustainability reporting, decarbonization management, climate-risk analytics, AI capabilities such as PersefoniGPT, and the free Persefoni Pro tier.
Founded
2020
Headquarters
Mesa, Arizona, United States
Team size
80-90
Work style
Flexible
Industry
Software Development
Sub-industry
Climate software / carbon accounting and sustainability management SaaS
Offices
Business model
Stage
Series C / growth stage
Total raised
$187.2M
Latest round
Series C extension · Mar 2025
Latest amount
$23M
Mar 2025
Aug 2023 · TPG Rise Climate Fund
Oct 2021 · Prelude Ventures and The Rise Fund
Apr 2021 · Rice Investment Group
Leadership
Co-Founder & Chief Executive Officer
Co-Founder & Chief Technology Officer
Chief Financial Officer
Chief Information Officer
David Muczynski
Vice President of Software Engineering
Vice President, Customer Solutions
Director, Persefoni Pro & Climate Solutions
Emily Pierce
Associate General Counsel & Vice President, Global Regulatory Disclosure
Public signals emphasize climate mission, technical rigor, customer outcomes, AI innovation, and a globally distributed workforce. Employer-review data surfaced by Exa indicates a 3.9/5 overall rating, with compensation at 4.3/5 and work-life balance and culture at approximately 4.0/5; these are third-party review signals rather than company-confirmed policies.
Work style
Flexible
Compensation
No reliable company-wide compensation bands were found in the researched sources. Third-party employer data shows a 4.3/5 compensation rating, but does not establish market salary levels or equity terms.
Pricing
Enterprise pricing is quote-based and typically requires contacting sales. Persefoni Pro offers a free self-service tier; Exa surfaced a pricing signal of one free user and paid account-based plans sold via contact/demo.
Differentiators
Technology
Customers
Competitors
Estimated revenue
$20M-$30M annually; Exa estimates approximately $27.8M
Estimated monthly visits
39.8K
Traffic estimate as of Jun 2026
Verdantix reported that Persefoni's headcount had fallen by almost 50% over the prior two years. This is a third-party market-analysis claim and was not accompanied by a company-announced layoff figure in the researched primary sources.
SourcePersefoni announced what its CEO described as the company's first acquisition: Diligent's carbon-accounting clients and related business transition to Persefoni. Diligent also took an equity position in Persefoni. Public materials describe the transaction as a strategic partnership and client transition; financial acquisition terms were not disclosed.
SourceResponsible Investor reported that the carbon-accounting market was entering a major consolidation phase. This reflects broader sector and demand risk rather than a Persefoni shutdown or insolvency announcement.
SourcePersefoni · Oct 2025
Diligent announced that it would transition its carbon-accounting clients to Persefoni, take an equity position, and collaborate on Scope 3 and AI-powered disclosure readiness.
Responsible Investor · Jul 2025
Kentaro Kawamori discussed consolidation in the carbon-accounting market, highlighting competitive and regulatory pressures affecting sustainability-software providers.
Business Wire · Mar 2025
Persefoni announced a $23M Series C extension, bringing the company-announced total investment to $179M. The company said the capital would support product expansion and a path toward profitability.
Persefoni · Jun 2024
Persefoni and First Street announced an integration of location-based physical climate-risk data into Persefoni's platform for enterprise reporting and compliance use cases.
Persefoni · Aug 2023
Persefoni announced a $50M Series C-1 led by TPG Rise and launched PersefoniGPT, describing additional AI capabilities for carbon-accounting data management.
6 jobs at Persefoni