SB 261 Compliance, Solved.

We deliver your climate risk report in TCFD format, so you can file and comply with ease.

Climate Risk Reporting Can Seem Complex. SB 261 Doesn’t Have to Be.

California Senate Bill 261 (SB 261) sets stringent requirements for climate risk disclosure. Understanding whether your business is subject to the law, and what’s required to comply, is the first step.

Who It Impacts

US entity (public and private)

doing business in California

Companies with over $500M

in total annual revenue

Key Deadlines

January 1, 2026

First SB 261-compliant report must be published publicly

Biennial updates

Climate-related financial risk reports must be updated every two years thereafter

What to Report

A Climate-Related Financial Risk Report consistent with the Task Force on Climate-Related Financial Disclosure (TCFD) or International Sustainability Standards Board (ISSB) framework

Explanation of the measures adopted to reduce and adapt to identified risks

A Turnkey SB 261 Report—So You Can Move Forward

Persefoni offers a climate-related financial risk report as a service, custom-built for SB 261 compliance. No complex tools. No heavy lift.

SB 261-Ready Report

TCFD/ISSB-aligned report, ready for reporting and publication on your website.

Expert-Led Process

Persefoni climate experts handle the narrative development, risk interpretation, and QA review.

Physical Risk Data from First Street Foundation

The gold-standard dataset trusted by the U.S. Treasury and major financial institutions.

Supplemental Risk Visualizations

Easy-to-understand risk snapshots covering wildfire, flood, extreme heat, and more.

How it Works

Take the guesswork out of climate risk disclosures with a guided, step-by-step approach.

Submit Basic Property Info

Provide site-level data such as location, facility use, and ownership structure.

Climate Scenario Assessment and Analysis

Persefoni performs an initial portfolio assessment using risk and catastrophe models across multiple emissions scenarios.

Complete TCFD Data and Materiality

Our team helps gather the remaining transitional, governance, mitigation, and materiality information.

Persefoni Delivers TCFD/ISSB-Aligned Draft

We prepare a fully aligned draft report for your review.

Final Report Delivered

Receive a final, formatted report ready for public disclosure.

Your End-to-End Compliance Partner

SB 253 and SB 261 are two sides of the same coin—both critical to meeting California’s climate disclosure requirements.

For companies also navigating SB 253

When you partner with Persefoni for both, you gain more than just software and services; you unlock a cohesive compliance strategy.

With a single provider supporting your emissions data and climate risk reporting, you can:

Ensure data and narratives align across disclosures
Reduce friction across reporting teams
Move faster with fewer handoffs and more clarity

Need to comply with SB 253? See how we can help

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Explore Related Resources

Get up to speed on California’s new climate disclosure laws with expert-led webinars and training.

WEBINAR

SB 261 in Focus: Understanding California’s Climate Risk Mandate

We are joined by SB 253/261 co-sponsor, as we unpack the law’s intent, scope, and reporting requirements. Gain the clarity and confidence to take the next step in disclosure readiness.

Watch Now

WEBINAR

Inside the SB 261 Report: Preparing a Compliant Climate Risk Disclosure

Our team of climate and disclosure experts dive into the components of an SB 261-compliant climate-related financial risk report and how Persefoni helps companies build regulatory-ready disclosures.

Watch Now

COURSE

California Climate Disclosure Compliance

The Climate Corporate Data Accountability Act (SB253) and Climate-Related Financial Risk Act (SB261) could set new standards for corporate climate action with far-reaching consequences for the economy and the environment. Enroll today to learn more.

Learn More

FAQs

Let Us Handle SB 261—So You Can Focus on What’s Next

Let us help you meet California’s disclosure requirements with clarity and confidence.

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