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10 Best Sustainability & ESG Tools in 2026

By Toolradar Team · Updated February 2026

Carbon tracking, ESG reporting, and sustainability tools

Key Takeaways
  • Persefoni Carbon is our #1 pick for sustainability & esg in 2026.
  • We analyzed 1 sustainability & esg tools to create this ranking.
  • 1 tools offer free plans, perfect for getting started.
1
Persefoni Carbon logo

Persefoni Carbon

Comprehensive carbon accounting and sustainability management platform for businesses and financial services.

Freemium

Persefoni Carbon is an AI-powered platform designed for businesses of all sizes and complexities to measure, report, and decarbonize their carbon footprints. It provides assurance-grade GHG emissions reporting aligned with major climate disclosure regulations, enabling companies to confidently respond to disclosure requests from customers, investors, and regulators. The platform supports net-zero target setting, reduction modeling, and supplier engagement for advanced decarbonization efforts. For financial services companies, Persefoni offers specialized tools for financed emissions measurement and analytics, extending to their portfolio companies. The platform integrates PersefoniAI, which includes features like a GPT-style Copilot for technical carbon accounting expertise, anomaly detection in large datasets, and natural language-based emission factor mapping to automate the parsing of spend files. Persefoni also provides dedicated solutions for compliance with specific regulations like California's SB 253 and SB 261. For SB 253, it offers automated Scope 1, 2, and 3 calculations, audit-ready workflows, and expert support to ensure GHG reporting meets requirements. For SB 261, it delivers climate-related financial risk reports in TCFD/ISSB format, leveraging expert-led processes and physical risk data from sources like First Street Foundation.

Best Sustainability & ESG For

Related Categories

What is Sustainability & ESG Software?

Carbon tracking, ESG reporting, and sustainability tools

According to our analysis of 1+ tools, the sustainability & esg software market offers solutions for teams of all sizes, from solo professionals to enterprise organizations. The best sustainability & esg tools in 2026 combine powerful features with intuitive interfaces.

Common Features of Sustainability & ESG Software

Automation

Automate repetitive sustainability & esg tasks to save time

Collaboration

Work together with team members in real-time

Analytics & Reporting

Track progress and measure performance

Security

Protect sensitive data with enterprise-grade security

Who Uses Sustainability & ESG Software?

Sustainability & ESG software is used by a wide range of professionals and organizations:

Small businesses looking to streamline operations and compete with larger companies
Enterprise teams needing scalable solutions for complex sustainability & esg needs
Freelancers and consultants managing multiple clients and projects
Startups seeking cost-effective tools that can grow with them

How to Choose the Right Sustainability & ESG Software

When evaluating sustainability & esg tools, consider these key factors:

  1. 1Identify your specific needs. What problems are you trying to solve? List your must-have features versus nice-to-haves.
  2. 2Consider your budget. 1 tools in our top 1 offer free plans, including Persefoni Carbon.
  3. 3Evaluate ease of use. A powerful tool is useless if your team won't adopt it. Look for intuitive interfaces and good onboarding.
  4. 4Check integrations. Ensure the tool works with your existing tech stack (CRM, communication tools, etc.).
  5. 5Read real user reviews. Our community reviews provide honest feedback from actual users.

Frequently Asked Questions

What is the best sustainability & esg software in 2026?

Based on our analysis of features, user reviews, and overall value, Persefoni Carbon ranks as the #1 sustainability & esg tool in 2026. Other top-rated options include .

Are there free sustainability & esg tools available?

Yes! Persefoni Carbon offer free plans. In total, 1 of the top 1 sustainability & esg tools have free or freemium pricing options.

How do you rank sustainability & esg tools?

Our rankings are based on multiple factors: editorial analysis of features and usability (40%), community reviews and ratings (30%), pricing value (15%), and integration capabilities (15%). We regularly update rankings as tools evolve and new reviews come in.

What should I look for in sustainability & esg software?

Key factors to consider include: core features that match your workflow, ease of use and learning curve, pricing that fits your budget, quality of customer support, integrations with your existing tools, and scalability as your needs grow.

Types of Sustainability & ESG Software

Explore specialized subcategories within sustainability & esg:

Our Ranking Methodology

At Toolradar, we combine editorial expertise with community insights to rank sustainability & esg tools:

40%
Editorial Analysis
Features, UX, innovation
30%
User Reviews
Real feedback from verified users
15%
Pricing Value
Cost vs. features offered
15%
Integrations
Ecosystem compatibility

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