California SB 253

California SB 253 affects companies with over $1bn global revenue that involves any trade in California. They must disclose Scope 1, 2, and 3 emissions annually starting 2026 (Scope 3 in 2027). Third-party assurance is mandatory.

How CarbonQuota can help

  • Online portal for GHG Protocol-aligned data management
  • Clear guidance to collect Scope 1, 2, and 3 data
  • Automatic conversion into disclosure-ready reports
  • Strictly defined processes for assurance compliance
  • Summarised tables and supporting text for annual submissions
  • Dedicated Environmental Science Consultant for support
  • Independent assurance coordination
  • Audit-ready documentation for regulators and stakeholders

Find out how we can support your business

Will you be affected?

SB253 applied to companies with >$1bn global revenue that are operating in California.

    What to report on:

      Scope 1: Direct emissions

      Scope 2: Purchased electricity and energy

      Scope 3: Full value chain emissions

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