The top 5 Plan A alternatives & competitors (2025)

You discovered the carbon accounting platform Plan A via a webinar, a colleague’s recommendation, or a quick online search, but you’re left with some questions. 

Sure, Plan A’s software offers useful features for emissions tracking, Corporate Sustainability Reporting Directive (CSRD) compliance, and decarbonization. But could there be something out there that better aligns with your specific needs? 

With heightened stakeholder expectations and regulatory pressures, choosing the right sustainability management platform is crucial. 

You need a tool that can accurately track emissions relevant to your industry, support multiple reporting formats, integrate seamlessly with your existing data management systems, and adhere to recognized standards. Depending on your needs, Plan A may not be the perfect fit for your organization.

This guide explores the top Plan A alternatives, helping you find the ideal software to meet your unique sustainability goals and requirements.

The top 5 Plan A alternatives compared

1. Coolset

As the publisher of this content, we want to be transparent about including Coolset in this list. We believe our platform offers significant advantages for mid-market companies looking to simplify sustainability management and comply with recognized standards like the Greenhouse Gas Protocol and the EU’s CSRD.

Our solution streamlines data collection, automates reporting, and gives you actionable insights to reduce emissions and achieve your climate goals.‍

Website: www.coolset.com‍

Best for: Mid-market companies seeking an all-in-one sustainability management and compliance solution‍

Key features:

• Comprehensive emissions management (Scopes 1, 2, and 3)
• Target setting and forecasting
• Sustainable marketplace integration
• Double materiality assessment guidance
• CSRD and ESRS compliance
• Audit-ready reporting with XBRL tagged reports

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2. Greenly

Greenly is a carbon accounting platform designed to help businesses of all sizes to measure, reduce, and report their carbon emissions. Their solution guides companies every step of the way–from data collection to communicating sustainability performance–making it particularly appealing to companies just starting their sustainability journey.

Website: www.greenly.earth

Best for: Businesses of all sizes across various industries

Key features:

• Carbon footprint assessments
• Life Cycle Assessments (LCA)
• Supply chain decarbonization
• Carbon reduction plans
• Carbon offsetting
• CSRD compliance and SBTi certification support

3. Position Green

Position Green is an environmental, social, governance (ESG) management platform designed to help global enterprises track, report, and improve their sustainability performance. With a focus on reducing manual administration and increasing impact, the tool aims to help companies transform ESG data into a competitive advantage.

Website: www.positiongreen.com

Best for: Large enterprises across industries such as real estate, energy, food and beverage, manufacturing, shipping, and finance, and private equity.

Key features:

• Comprehensive carbon accounting
• CSRD and ESRS reporting capabilities
• Supplier assessments
• ESG performance tracking, visualization, and forecasting
• Data integration and analysis
• Advisory services

4. Persefoni

Persefoni is a carbon measurement and reporting software that helps businesses and financial services measure, report, and reduce emissions. Its AI-powered platform can detect statistical anomalies in large data sets, provide on demand technical support, and map data sources and types to the appropriate LCA or emission factors.

Website: www.persefoni.com

Best for: Businesses and financial services of all sizes and complexities

Key features:

• Investor-grade carbon accounting
• Regulatory and investor reporting
• Decarbonization management
• Supplier engagement and Scope 3 management
• Integration and data management

5. Watershed

Watershed is an enterprise sustainability platform that helps businesses to measure, report, and act on their sustainability data in one place. Organizations can map out their carbon footprint, prepare and file reports to meet global regulatory standards, and set emission reduction targets to decarbonize their operations.

Website: www.watershed.com

Best for: Businesses across industries like apparel, consumer goods, food and beverage, professional services, retail, technology, and financial institutions.

Key features:

• Audit-ready carbon footprint measurements
• Regulatory compliance and benchmarking
• Carbon removal management
• Supply chain management

Why Coolset is your best bet for sustainability management and compliance

While each of these Plan A alternatives offers unique features, we believe Coolset is the most comprehensive and user-friendly solution out there for mid-market companies.

Tailored for mid-sized businesses, our platform ensures that you’re not paying for enterprise-level features you won’t use, nor are you limited by solutions designed for small businesses. 

Whether you’re aiming for CSRD compliance, or enhancing your overall environmental performance, our complete toolset simplifies your sustainability journey. 

Ready to see if Coolset fits your business needs? Explore our interactive demo on our homepage or schedule a free call with one of our product experts for a personalized walkthrough.

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