Diligent Takes Equity Stake in Persefoni in Sustainability Reporting Partnership

Governance, risk and compliance solutions provider Diligent and carbon accounting software company Persefoni announced a strategic partnership under which Diligent will transition its carbon accounting clients to the Persefoni platform and take an equity position in the company. The deal combines Diligent's global GRC client base with Persefoni's carbon footprint management and AI-driven disclosure tools.

Founded in 2020, Persefoni provides software and AI-driven tools for carbon footprint calculation, decarbonization strategy, and audit-ready disclosures aligned with standards including SB 253 (California), CSRD, ISSB, and CDP. The partnership gives Diligent's carbon accounting clients access to Persefoni's advanced Scope 3 supply chain sustainability capabilities and AI-powered disclosure readiness features. The equity investment by Diligent signals a deepening commercial relationship intended to drive product integration between the two platforms.

The partnership reflects a broader trend of GRC and sustainability reporting platform consolidation, driven by corporate demand for integrated solutions covering governance, risk, environmental compliance, and financial reporting in a single technology environment. For companies that already use Diligent for board governance and compliance management, extending the platform to include carbon accounting creates workflow continuity and reduces data silos between sustainability and finance functions. Persefoni CEO Kentaro Kawamori described the deal as the start of a partnership that will see the two companies integrate their products.

Diligent's selection of Persefoni as its carbon accounting partner is notable given the competitive market for sustainability reporting software, with multiple established and emerging vendors competing for enterprise mandates. The deal provides Persefoni with distribution access through Diligent's global client network and a public validation of its technology from the market leader in corporate governance software. For Indian companies building out their sustainability reporting technology stacks, the integration of carbon management and GRC capabilities into unified platforms represents the direction in which enterprise sustainability software is evolving.

Key figure — Persefoni founded 2020; supports CSRD, ISSB, CDP, and SB 253 disclosures