SB 253 Assurance Requirements: How to Prepare

Join our on-demand webinar to learn how to prepare for third-party assurance of GHG statements under California’s SB 253 climate law, with practical guidance from UL Solutions seasoned assurance professionals.

THE CONTENT OF THIS WEBINAR IS FOR GENERAL INFORMATION PURPOSES ONLY AND IS NOT INTENDED TO CONVEY LEGAL OR OTHER PROFESSIONAL ADVICE.

California’s Climate Corporate Data Accountability Act (SB 253) is reshaping how organizations approach greenhouse gas (GHG) emissions reporting. With mandatory third-party assurance requirements for Scope 1, 2, and eventually Scope 3 emissions, companies must now ensure their data is not only accurate but also assurance-ready.

Webinar Date: Oct. 15, 2025

Speakers

Adrian Wain, Lead Verification Expert, UL Solutions
Lauren Alexander, Lead Verification Expert, UL Solutions

Why SB 253 matters

SB 253 marks a major shift in climate accountability, requiring organizations to move from voluntary reporting to regulated, third-party assured disclosures. It raises the bar for data quality and transparency, impacting how companies collect, manage and calculate emissions data across their operations and supply chains.

What you’ll learn

This session is designed to help professionals across departments understand the technical requirements of SB 253 and prepare their organizations for third-party assurance. Our experts will share practical strategies, real-world examples and insights from working with customers across industries.

Key topics include:

Understanding SB 253’s assurance mandate
Navigating applicable assurance frameworks and standards
Establishing internal controls and following best practices
Our approach to assurance

Whether your organization is just beginning to develop an SB 253-compliant GHG statement or have already developed one and are preparing for third-party assurance, this session will provide actionable insights to maximize your readiness success.

The panel includes our seasoned assurance professionals with deep expertise in GHG disclosure for regulatory compliance. They will share real-world examples, answer audience questions, and offer guidance tailored to your industry and reporting maturity.