ESG assurance is an independent, third-party examination of your company's environmental, social, and governance disclosures. Think of it as an audit for your sustainability reporting, similar to how a financial audit verifies your financial statements.

It matters because investors, regulators, and stakeholders increasingly demand reliable ESG data. Assured reports build credibility, reduce greenwashing risk, and in many jurisdictions, assurance is now a legal requirement.

Limited assurance (also called "review-level") involves analytical procedures and inquiries. The assurance provider concludes whether anything has come to their attention suggesting the data is materially misstated. It is less rigorous and less costly.

Reasonable assurance (also called "audit-level") involves more extensive testing, evidence gathering, and verification. The assurance provider gives a positive opinion that the data is fairly stated. This is the same level of confidence as a financial statement audit.

Most regulations start with limited assurance and phase in reasonable assurance over time.

The assessment uses your answers about headquarters location, operating regions, revenue, employee count, industry, listing status, and current ESG reporting maturity to match you against 15+ global regulations. Each regulation has specific thresholds, so two companies in different regions or of different sizes will see very different results.

Your readiness score is also customized based on your current data processes, emissions tracking, and auditor relationship.

No - and this is a common misconception. Your ESG assurance provider does not need to be the same firm as your financial auditor. In fact, there are good reasons to consider either option:

Using your existing financial auditor: They already understand your business, internal controls, and data systems. This can reduce duplication of effort, especially for regulations like CSRD that integrate sustainability into the annual report.

Engaging a separate ESG specialist: Specialist ESG assurance firms may have deeper subject matter expertise, particularly for complex areas like Scope 3 emissions, supply chain due diligence, or sector-specific sustainability metrics. They may also be more cost-effective for standalone sustainability reports.

Some regulations (like CSRD) require the assurance provider to be accredited, so check the specific requirements for your jurisdiction.

Penalties vary by regulation. For example, California SB 253 carries fines up to $500,000 per reporting year, while the EU's CSDDD can impose penalties of up to 3% of global net turnover. Beyond financial penalties, non-compliance can result in reputational damage, investor concerns, and difficulty accessing capital markets.

Even where assurance is not yet legally required (such as GRI Standards or UK SECR), stakeholders increasingly expect it, and not having it can put you at a competitive disadvantage.

The Omnibus Directive (adopted February 2026) simplified and narrowed several EU sustainability rules. Key changes include: CSRD scope is now limited to companies with both 1,000+ employees and over 450 million euros in turnover. The planned transition from limited to reasonable assurance has been removed - limited assurance will remain the standard. And CSDDD due diligence is now limited to direct business partners only.

This assessment reflects all Omnibus changes as of March 2026.

Yes. Your responses are processed securely and stored in an encrypted database. We do not collect your company name, email, or any personally identifiable information through this assessment. The data we store is limited to anonymized quiz responses and aggregate statistics to improve the tool.

You can review our full privacy policy for more details.

We update the regulatory data, thresholds, and assurance requirements monthly to reflect the latest developments. Major regulatory changes (such as the EU Omnibus Directive, CARB rulemaking for SB 253, or new court rulings) are incorporated as soon as they are confirmed.

The current version was last updated in March 2026.

After completing the assessment, your results will include specific recommended next steps for each applicable regulation. If you need hands-on help, you can connect with a qualified ESG assurance provider through our platform. We match you with assessors who have experience in your industry and the specific regulations that apply to you.