Which Carbon Accounting Software to Choose?

In 2025, carbon accounting is a critical capability for businesses navigating sustainability commitments, regulatory compliance, and operational efficiency. With frameworks such as SECR, CSRD, and TCFD setting clear expectations, organisations need software that not only calculates emissions, but also supports strategic planning and reporting.

This guide outlines the top carbon accounting platforms of 2025, grouped by their most relevant applications. Whether you require real-time emissions tracking, supply chain engagement, or audit-ready reporting, the right solution depends on your specific operational goals and sustainability maturity.

Real-Time Carbon and Energy Monitoring

These platforms offer continuous visibility into emissions and energy usage, enabling rapid decision-making and performance tracking.

• ClearVUE.Zero – Live energy and carbon data, compliance-ready reports, and carbon reduction planning tools.
• Net0 – AI-powered emissions tracking with automated alerts, forecasting, and real-time dashboards.
• Greenly – Real-time analytics, anomaly detection, and intuitive performance insights.
• Minimum – Scalable, audit-ready platform with real-time emissions and data governance tools.
• Persefoni – Enterprise-grade infrastructure for live emissions tracking and forecasting.

Regulatory Compliance and Audit-Ready Reporting

Designed for organisations with regulatory obligations, these tools provide automated, accurate, and verifiable reporting aligned with global frameworks.

• Workiva Carbon – Combines carbon and financial data for seamless CSRD and TCFD reporting.
• Diligent – Enterprise reporting platform with pre-built audit templates and automated data validation.
• Coolset – Supports EU Taxonomy and CSRD compliance with structured reporting tools.
• Normative – Automated carbon calculations using operational and financial data, aligned with GHG Protocol.
• Green Element – Full protocol alignment with consultancy support for SECR, CSRD, and reduction strategies.

Scope 3 and Supply Chain Emissions Management

These platforms help manage complex upstream and downstream emissions through supplier engagement and comprehensive Scope 3 tools.

• Brightest – End-to-end Scope 1–3 tracking with supplier collaboration and ESG alignment.
• Position Green – Custom data collection, advisory support, and integration with CDP, SBTi, and ESRS.
• Greenly – Supplier tools and real-time Scope 3 tracking with AI-driven insights.
• Cozero – Product-level emissions tracking and supply chain analytics for manufacturing and logistics.

Scalable Enterprise Solutions

For large organisations managing multi-site operations, these platforms provide deep integration, custom workflows, and secure data environments.

• Sustain.Life (Workiva) – Integrates sustainability across operations, with full emissions tracking and reporting.
• Minimum – Customisable and scalable platform with enterprise system integrations.
• Persefoni – Supports complex organisations with detailed analytics and reporting flexibility.
• Workiva Carbon – Real-time collaboration and compliance within a unified reporting environment.

SME-Focused Platforms

These tools offer simplified functionality, automated features, and user-friendly interfaces for small and medium-sized enterprises.

• PlanA – Streamlined platform for carbon tracking and automated reporting.
• Seedling – Designed for SMEs and B Corps, supporting SECR and climate transition planning.
• EcoHedge – Lightweight and cost-effective, with minimal setup and basic emissions reporting.
• Coolset – Suited for mid-sized businesses requiring structured footprinting and team collaboration.

Strategy and Decarbonisation Support

Beyond measurement, these platforms offer expert guidance and planning tools to help organisations build and execute emissions reduction strategies.

• ClearVUE.Zero – Combines data visibility with strategic energy audits and reduction planning.
• Cozero – Offers decarbonisation modelling and scenario analysis for operational strategy.
• Green Element – Adds consultancy to carbon tracking, helping shape long-term reduction pathways.
• Position Green – Supports actionable strategy development through advisory and integrated ESG tools.

Conclusion

Selecting the right carbon accounting software depends on the scale of your operations, your regulatory exposure, and your internal sustainability objectives. While large enterprises may require advanced integrations and audit functionality, smaller businesses often benefit from simplicity and automation.

Prioritise platforms that align with your compliance needs, enable real-time decision-making, and support your long-term decarbonisation strategy. The right solution should not only report emissions — but help reduce them.