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. With major shifts happening behind the scenes, it’s worth asking whether there’s a platform that better aligns with your specific needs and offers a more reliable long-term partnership for your sustainability journey.

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

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 – and factoring in recent developments – Plan A may not be the best match for your organization.

This guide highlights the top 5 alternatives to Plan A, helping you find a platform that better fits your specific sustainability goals and long-term 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 enterprises looking to simplify sustainability management and comply with recognized standards like the Greenhouse Gas Protocol and the EU’s CSRD, and EU Taxonomy.

Our solution streamlines data collection, automates reporting, and gives you actionable insights to reduce emissions and achieve your sustainability goals without risking the continuity of your work due to internal uncertainty with your vendor of choice.‍

Website: www.coolset.com‍

Best for: Mid-market enterprises seeking an all-in-one ESG software platform‍

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 alternatives like Plan A offer useful features, Coolset delivers the most complete and user-friendly solution for mid-market enterprises. Purpose-built for this segment, our platform ensures you’re not overpaying for bloated extras you won’t use, and not limited by tools built for small businesses.

Whether you’re targeting CSRD compliance, meeting EU Taxonomy requirements, or driving concrete emissions reductions, Coolset streamlines your entire ESG workflow. From centralized data collection and real-time collaboration to TÜV-certified Scope 1–3 emissions measurements and audit-ready reporting, we replace manual effort with one intuitive, flexible system.

Coolset gives mid-market enterprises a future-proof, low-drama ESG platform that grows with you, without the complexity.

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

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