ESG ratings are built primarily on company self-disclosures. They measure whether a company reports on a given dimension, how comprehensively, and how its reported metrics compare to peers. They do not systematically verify whether those disclosures are accurate.
For asset managers and family offices with fiduciary obligations, this is a material gap. A company can maintain a high ESG rating while facing active regulatory enforcement on environmental violations, missing interim targets on its headline climate commitments, or disclosing selectively to optimise for specific rating methodologies.
Due diligence that meets institutional standards requires going further. The checklist below defines the minimum standard for ESG due diligence in 2026.
Pre-Investment ESG Due Diligence Checklist
Environmental
- Verified emissions data against independent sources (EPA filings, CDP disclosures, third-party audits) — not self-reported figures alone
- Science Based Targets initiative (SBTi) commitment confirmed and progress tracked against interim milestones
- Physical risk assessment (TCFD-aligned) covering location-specific climate exposure
- Transition risk assessment covering stranded asset exposure and capex alignment with stated targets
- Scope 3 emissions disclosure reviewed for supply chain offshoring of high-emission activities
- Regulatory enforcement record checked (EPA, EU environmental regulators, national equivalents)
Social
- Labour practices reviewed against independent sources: OSHA incident rates, litigation, union disputes
- Supply chain labour risk assessed using third-party audit results where available
- Community impact controversies screened via NGO watchdog databases
- Pay equity and workforce diversity disclosures cross-referenced against comparable companies
Governance
- Board composition: independence, diversity, ESG-relevant expertise
- Executive compensation linkage to verified ESG outcomes (not just disclosure targets)
- Related-party transactions and conflicts of interest reviewed
- Whistleblower and ethics incident history checked
Verification and Assurance
- Third-party assurance statement on sustainability report confirmed
- CDP rating reviewed (A–D) with methodology noted
- MSCI and Sustainalytics divergence assessed — large gaps flagged for investigation
Controversy Screening
- Active litigation screened (environmental, labour, governance)
- Regulatory enforcement actions in past 5 years reviewed
- NGO watchdog investigations identified
- Media controversy signals monitored for contradictions to stated ESG positions
Ongoing Monitoring Checklist
ESG due diligence is not a one-time event. Material ESG risks often surface through controversy signals before they appear in ratings.
- Annual re-verification of key commitments against new regulatory filings
- Quarterly controversy monitoring (enforcement actions, litigation updates, investigative reporting)
- Proxy voting engagement: voting record reviewed for consistency with ESG mandate
- Interim target progress: are year-on-year milestones being met?
- Rating divergence alerts: flagged when MSCI and Sustainalytics diverge significantly on a holding
Family Office Considerations
Family offices face additional complexity: they often combine values alignment goals with risk management, may hold private or illiquid assets with limited ESG data, and need to produce documentation for multi-generational governance.
Additional checks for family office mandates:
- Manager selection: external managers’ ESG policies documented and verified against voting records
- Private asset holdings: bespoke verification where standardised data is unavailable
- Reporting framework: ESG reporting aligned with next-generation stakeholder requirements
- Values alignment review: holdings mapped against family values statement and exclusion criteria
Regulatory Context (2026)
ESG due diligence obligations are increasing. Asset managers and family offices should account for CSRD (EU), SFDR Article 8/9 scrutiny, SEC climate disclosure rules, and FCA anti-greenwashing guidance — all of which create legal liability for unsubstantiated ESG claims.
Due diligence processes that document evidence of ESG claim verification are increasingly relevant for regulatory defence, not just investment decision-making.
Explore ESG due diligence for asset managers and family offices — and how Novare Insights applies evidence-based verification continuously at portfolio scale.