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ESG reporting software
Persefoni
Diligent
private equity decarbonization
CSRD
ESRS
ISSB
climate disclosure

Persefoni and Diligent Partner to Streamline ESG Reporting for Private Equity Decarbonization

By AIGovHub EditorialFebruary 23, 2026Updated: March 4, 202642 views

ESG Reporting Urgency Intensifies for Private Equity

As regulatory pressure mounts, private equity firms face unprecedented demands to decarbonize their investment portfolios and disclose climate-related risks. With frameworks like the EU's Corporate Sustainability Reporting Directive (CSRD) requiring phased implementation starting with the 2024 reporting year (reports due in 2025), and the SEC's climate disclosure rules (adopted March 2024 but currently stayed pending litigation) adding complexity, firms need robust solutions to manage ESG compliance. This urgency is driven by investor expectations, regulatory mandates, and the financial risks associated with climate exposure.

Strategic Partnership: Diligent and Persefoni Join Forces

Diligent, a leading governance, risk, and compliance (GRC) platform provider, has formed a strategic partnership with Persefoni, a climate management and accounting platform. The collaboration aims to deliver integrated sustainability reporting solutions by combining Diligent's GRC expertise with Persefoni's carbon accounting and climate disclosure capabilities. This partnership addresses the growing regulatory landscape, including CSRD, the European Sustainability Reporting Standards (ESRS), SEC climate rules, and ISSB standards (IFRS S1 and S2, effective for annual periods beginning on or after 1 January 2024).

Persefoni has been active in other initiatives, such as developing a climate physical risk solution with First Street and supporting decarbonization efforts, including a French €300 million grant for projects at INEOS. These efforts highlight the platform's focus on practical climate risk management.

Why This Matters for Private Equity and ESG Compliance

For private equity firms, decarbonization is no longer optional—it's a strategic imperative to manage financial and regulatory risks, attract climate-focused capital, and comply with emerging disclosure requirements. The Diligent-Persefoni partnership enhances compliance in several key areas:

  • CSRD and ESRS Alignment: The CSRD requires double materiality assessments and reporting against ESRS, with digital tagging (XHTML with iXBRL). Integrated platforms streamline data collection for these complex mandates.
  • SEC and ISSB Readiness: While the SEC rules are uncertain due to litigation, ISSB standards are gaining global adoption. A unified solution helps firms prepare for multiple frameworks simultaneously.
  • Efficiency and Accuracy: By combining carbon accounting with GRC controls, firms can reduce manual effort, improve reporting accuracy, and ensure audit readiness.
  • Risk Mitigation: Climate-related risks can impact portfolio valuations and returns. Proactive decarbonization and disclosure help mitigate these risks.

This partnership reflects a broader trend where vendor collaborations are essential to provide comprehensive compliance solutions as regulations evolve.

Actionable Steps for Organizations

To leverage this development and enhance ESG compliance, organizations should:

  1. Assess Regulatory Exposure: Identify which frameworks apply based on operations, size, and investor requirements. For example, large EU companies must comply with CSRD for the 2024 reporting year, while global firms may need to align with ISSB standards.
  2. Evaluate Integrated Solutions: Consider platforms like Persefoni and Diligent that combine carbon accounting with GRC capabilities. Integrated tools can simplify data management and reporting across multiple regulations.
  3. Prioritize Decarbonization: For private equity firms, embed decarbonization into investment due diligence and portfolio management to address financial and regulatory risks proactively.
  4. Stay Updated: Regulations are rapidly changing—monitor developments in CSRD, ESRS, SEC rules, and ISSB adoption to ensure ongoing compliance.

To streamline your ESG reporting, explore AIGovHub's ESG compliance tools and vendor comparisons for platforms like Persefoni and Diligent. These resources help you evaluate features, integration capabilities, and compliance support to choose the right solution for your needs.

This content is for informational purposes only and does not constitute legal advice.