Plan A vs Diligent ESG
Side-by-side comparison of AI visibility scores, market position, and capabilities
Berlin Germany sustainability and carbon management SaaS raised €20M+; serves 200+ companies across Europe;
About
Plan A is a Berlin-based sustainability management platform founded in 2017 that has raised over €20M in funding. The company provides an integrated software solution for corporate carbon accounting, ESG reporting, and net-zero planning, serving over 200 companies predominantly in the DACH region and broader Europe. Plan A was one of the early European entrants in the corporate sustainability software market.\n\nThe platform covers the full ESG lifecycle, from data collection and carbon footprint calculation to materiality assessments, ESG scoring, and regulatory report generation. Plan A supports multiple reporting frameworks including GHG Protocol, CDP, GRI, and the EU taxonomy. Its module for double materiality assessment is particularly relevant for companies navigating the CSRD requirements that mandate identifying both financial and impact materiality.\n\nPlan A targets mid-size to large enterprises in Europe that need a comprehensive ESG platform rather than a point solution. It competes with Greenly, Normative, and Sweep in the European market. The company differentiates through its breadth of ESG coverage beyond just carbon, its consultancy network of sustainability experts, and its early mover advantage in the EU regulatory compliance space.
New York NY. Board governance and ESG management platform serving 700,000+ board members globally, acquired Galvanize and BoardEffect for integrated risk and ESG.
About
Diligent is a New York-based governance, risk, and compliance (GRC) platform that has become one of the largest providers of board management and ESG software globally. The company serves over 700,000 board members and executives across 90+ countries, and has expanded its platform through strategic acquisitions including Galvanize (compliance and audit management) and BoardEffect (board portal for nonprofits and healthcare). Its ESG module integrates ESG data management with board-level governance workflows.\n\nDiligent ESG enables companies to collect ESG metrics across environmental, social, and governance dimensions, align with major reporting frameworks including GRI, TCFD, SASB, and the UN SDGs, and prepare board-level sustainability reports. The platform connects ESG performance data directly to the board agenda management workflow, allowing directors to review and approve sustainability disclosures within the same secure environment they use for board meetings and governance.\n\nDiligent targets large public companies, financial institutions, and regulated organizations that need to demonstrate strong governance around their ESG programs, not just report data. It competes with ServiceNow ESG, Workiva, and SAP Sustainability in the enterprise segment. Diligent's key differentiator is the integration of ESG with board governance—allowing sustainability to be managed as a fiduciary responsibility rather than a standalone compliance exercise.
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