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Diligent ESG

Diligent ESG is not a lightweight event carbon calculator. It is enterprise ESG infrastructure for organizations that need auditable Scope 1, 2, and 3 data collection, emissions factors, surveys, dashboards, and board-ready reporting across many business activities.

Sustainability Paid
Quote-based
Visit Diligent ESG →
Tool Nutrition Label
Founded Diligent was founded in 1994; Diligent ESG incorporates Accuvio, founded in 2009 and acquired in 2021
Headquarters New York, New York, United States
Company Size More than 1,000 employees globally
Funding Private equity-backed private company
Pricing Model Enterprise SaaS subscription sold through demo and pricing request
Free Trial No public free trial found
Contract Enterprise subscription
Attendee Capacity Not attendee-based; designed for organization-wide ESG and carbon data programs
Mobile App No event-planner mobile app found; ESG workflows are enterprise web/software workflows
Offline Capability No
Data & Compliance Not clearly disclosed publicly; confirm during enterprise security review
Expertise Level Advanced
Event Types
Enterprise Sustainability ProgramsCorporate ConferencesInvestor EventsLarge Venue PortfoliosAssociation OperationsSupplier Reporting Programs
Key Integrations
ESG Dashboards (Native) Survey Workflows (Native) Reporting Framework Outputs (Native) Data Imports (Native)
Support Channels
Demo requestEnterprise account teamImplementation supportCustomer successResource library
Best For
  • + Large organizations with formal ESG reporting obligations
  • + Enterprises consolidating carbon, supplier, workforce, and governance data
  • + Event teams that report into corporate sustainability and risk programs
  • + Organizations needing auditability and board-level reporting
Not For
  • − Small events that only need a quick carbon estimate
  • − Planners looking for attendee travel offsets or simple badge-level sustainability tools
  • − Teams without ESG, finance, risk, or compliance ownership
  • − Buyers who need public pricing before vendor conversations
Key Capabilities
✓ Collect and centralize ESG and carbon data across stakeholders
✓ Calculate Scope 1, 2, and 3 emissions with regularly updated emissions factors
✓ Run surveys for supplier, employee, and stakeholder data collection
✓ Generate auditable sustainability and carbon reports
✓ Maintain data consistency across multiple reporting outputs
✓ Support common voluntary and mandatory ESG reporting frameworks
Honest Limitations

Enterprise Complexity

Diligent ESG is likely too heavy for a single event team without corporate reporting requirements.

No Public Pricing

Budgets require a sales conversation and likely depend on modules, data scope, and implementation.

Implementation Burden

Accurate ESG reporting depends on clean data ownership, collection processes, and validation.

Not Event-Specific

The product is built for organizational ESG programs, not attendee-facing event sustainability calculators.

Independent Review Volume Is Low

G2 has limited public reviews for Diligent ESG, so buyers should request references in their industry.

Pricing Breakdown
Plan Price Details
Diligent ESG Quote-based Enterprise ESG data collection, carbon accounting, dashboards, surveys, audit-ready reporting, and governance workflows
Implementation Services Quote-based Scope depends on reporting frameworks, data sources, stakeholder surveys, and governance requirements

Hidden Costs to Watch

  • ! Internal ESG, finance, facilities, procurement, and legal time
  • ! Data cleanup and source-system integration work
  • ! Assurance, audit, or consulting support for formal disclosures

Diligent ESG belongs in the corporate sustainability stack, not the event planner’s day-to-day toolkit. For event teams inside large organizations, that distinction matters: the platform can support reporting, but only if event data is collected in the format the ESG team needs.

If your goal is a single-event estimate, use a lighter calculator. If your goal is auditable enterprise reporting, involve ESG, finance, procurement, and legal before buying.

Comparing this with other event tools?

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Pairs Well With

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Sphera

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Microsoft Sustainability Manager

Enterprise sustainability data platform for tracking emissions, water, waste, goals, and ESG reporting across Microsoft Cloud and Power Platform workflows.

Sustainability Paid

Evaluate enterprise carbon accounting in a Microsoft-centric data environment

Alternatives

Microsoft Sustainability Manager

Enterprise sustainability data platform for tracking emissions, water, waste, goals, and ESG reporting across Microsoft Cloud and Power Platform workflows.

Sustainability Paid

Better fit for organizations standardizing sustainability data in Microsoft Cloud

Sphera

Enterprise sustainability, EHS, product stewardship, operational risk, and supply chain risk management software, data, and consulting.

Sustainability Paid

Broader EHS, operational risk, and sustainability platform

Travel Carbon Calculator

Free travel-emissions calculator for festivals and live events, with route comparison, journey logging, and optional climate contributions through onboard:earth.

Sustainability Free

Much lighter option for estimating event travel emissions

Questions to Ask the Vendor
  1. 1
    Which ESG frameworks and regulatory disclosures are covered in our region?
  2. 2
    How are the 70,000-plus emissions factors maintained, versioned, and audited?
  3. 3
    Which data sources can be imported automatically versus manually surveyed?
  4. 4
    Where is our ESG data hosted, and what security certifications apply?
  5. 5
    What implementation support is included for Scope 3 supplier and event-related data?
How we research tools

We research each tool by reviewing official documentation, pricing pages, and user feedback from Trustpilot, G2, and Capterra. If something's out of date or inaccurate, use the link below to flag it.

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