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| Data depth & engagement | Full GHG accounting with supplier-level Scope 3 tracking, multi-tier supply-chain collaboration, and connected supplier dashboards. | Optimized for carbon and financed emissions reporting, but lacks functionality for broader ESG management. |
| Regulatory coverage | Built for SB 253/SB 261, CSRD (all ESRS), CDP, GRI, and ISSB, with audit-ready, AI-generated disclosures. | Delivers robust climate-aligned reporting for GHG Protocol, PCAF, ESRS E1, and TCFD, primarily focused on climate disclosures for financial institutions. |
| Collaboration tools | Integrated collaboration across teams, suppliers, and partners with workflows, permissions, and shared accountability. | Offers strong carbon data integrations, but its supplier collaboration capabilities are still under development. |
| Business suitability | Modular pricing and flexible configuration for organizations of any size, plus guided learning to build internal capability. | Designed for large enterprises and financial institutions, with pricing that rises substantially when moving beyond basic footprinting. |
| AI & scalability | Embedded AI agents for large-scale sustainability management, disclosure automation, and complex data handling | Applies AI primarily within emissions calculations and PCAF methodologies, but less automation across enterprise ESG workflows. |
Persefoni vs Sweep
Compare Sweep vs Persefoni. See why leaders choose Sweep for full ESG integration, supplier collaboration, broad regulatory coverage, and AI powered automation.
Why choose Sweep
Complete ESG integration
Sweep unifies carbon accounting with full ESG data management, tracking carbon alongside social and governance metrics in one platform. Support CSRD’s full scope with the same data quality and audit trails across all dimensions.
Persefoni focuses on carbon accounting, especially financed emissions, and does not support broader ESG management.
Regulatory coverage
Sweep supports CSRD across all ESRS topics along with SB 253 and SB 261, CDP, GRI, ISSB, TCFD, and SFDR in a single platform, producing audit-ready disclosures across E, S, and G. AI streamlines mapping, gap analysis, and narrative generation for complete compliance.
Persefoni delivers robust climate-aligned reporting for GHG Protocol, PCAF, ESRS E1, and TCFD, primarily focused on climate disclosures for financial institutions.
Collaboration at scale
Sweep enables end-to-end supplier engagement with real-time surveys, shared dashboards, and automated data collection to manage accountability across your entire value chain. Suppliers can track their own footprints and contribute directly to reduction plans.
Persefoni offers strong carbon data integrations, but its supplier collaboration capabilities are still under development.
Flexible access and scalable deployment
Sweep offers modular pricing and platform configuration for organisations of any size, with guided learning via Sweep School to build internal capability without external consultants. Large teams can collaborate seamlessly with role-based access and enterprise-grade workflows.
Persefoni targets large enterprises and financial institutions, with pricing that increases significantly for full platform functionality beyond basic footprinting.
AI-powered Scalability
Sweep embeds AI throughout the platform, from data mapping and validation to disclosure writing, predictive analytics, and automated workflow orchestration. AI agents handle complex multi-entity structures and large datasets while maintaining accuracy and auditability.
Persefoni applies AI primarily within emissions calculations and PCAF methodologies, offering precision for carbon accounting but less automation across enterprise ESG workflows.
See why businesses choose Sweep
Leading companies trust Sweep to navigate their sustainability journey
Orange Group Telecommunications
Orange's technology strategy to achieve net zero by 2040
Analyst reports position Sweep as a leader
Sweep Named a Leader in IDC MarketScape 2025 for Sustainability Management Platforms
This recognition highlights Sweep’s leadership in carbon accounting and as a full ESG data management platform, positioning it as a comprehensive sustainability solution, structured around three core pillars: Track, Disclose, Act.
Key highlights from the IDC report:
- Leading on data management
- Goal-setting & ROI modeling
- Supplier engagement at scale
- Double materiality & IRO tools
Verdantix's Smart Innovators: ESG & Sustainability Reporting And Data Management Software (2025)
Verdantix names Sweep a top 3 ESG and sustainability reporting solution in their Smart Innovators report.
Sweep received “strong” or “market-leading” rankings across all 10 evaluation criteria, including:
- ESG data acquisition
- Organizational structure management
- Sustainability performance management
IDC MarketScape: Worldwide Carbon Accounting and Management
IDC MarketScape positions Sweep as a leader in worldwide sustainability and carbon management software.
It particularly recognized us for:
- Robust, AI-driven data management
- Data security and ingestion
- Advanced analytics for informed decision-making
See why companies choose Sweep
Centralize your ESG data, streamline reporting processes, and deliver verifiable carbon reductions, all in one powerful platform.
FAQs: Watershed vs Sweep
How does Sweep differ from Persefoni’s carbon accounting software?
Sweep is a full sustainability management platform that combines carbon accounting, ESG data, supply-chain transparency, and regulatory compliance in one system, making it one of the strongest Persefoni alternatives for any company that needs more than carbon-only reporting.
Both Sweep and Persefoni are often considered contenders for the best carbon accounting software solutions, with each tool offering robust features for organizations seeking comprehensive sustainability management that addresses environmental impact and carbon footprint.
While Persefoni software excels at financed emissions and PCAF-aligned calculations, Sweep expands beyond climate, with climate change as a driving force for these solutions, to include social and governance metrics, integrated workflows across various departments, allowing teams to collaborate seamlessly within the platform, and real time insights that support broader sustainability goals and business growth.
Sweep’s user-friendly interface ensures that users can easily navigate the platform, while its key features, such as automated data collection, customizable dashboards, and advanced reporting, make it a powerful choice for companies with complex regulatory and sustainability requirements.
Which platform is better for managing complex regulatory requirements?
Sweep helps organisations ensure compliance with a wide range of regulations, including CSRD (all ESRS), SB 253/SB 261, CDP, GRI, ISSB, and global regulatory standards, as well as global standards for emissions measurement and reporting, with AI tools that automate mapping, disclosure creation, and audit-ready outputs, including the generation of standardized reports for compliance.
Persefoni focuses primarily on climate-centric frameworks such as GHG Protocol (a leading greenhouse gas reporting framework), PCAF, and TCFD, making it strong for carbon-first teams but less comprehensive for companies facing multi-topic sustainability reporting across ESG and industry-specific regulations, while also enabling users to report emissions data for regulatory compliance.
How do Persefoni and Sweep compare on data collection and emissions tracking?
Sweep automates data collection from various sources, unifies emissions data, energy consumption, and esg data, including sustainability data, and provides real time analytics that allow teams to effectively track progress and identify opportunities to reduce carbon emissions across the entire value chain.
Persefoni offers strong tools to calculate emissions, particularly Scope 1 and financed emissions, but relies more on manual effort for broader ESG datasets, making Sweep better suited for companies handling large data volumes, complex supply chains, or multi-entity structures needing continuous emissions tracking.
Many organizations rely on these platforms for comprehensive emissions tracking and sustainability management.
Which solution is better for driving action beyond carbon accounting?
Sweep transforms sustainability insights into action with advanced analytics features, decarbonisation planning, key metrics dashboards, and collaboration tools that engage relevant stakeholders across the organisation, enabling companies to improve energy efficiency, enhance risk management, and strengthen overall ESG performance.
Persefoni is well suited for teams focused primarily on carbon calculations and financed emissions, but Sweep’s broader carbon management and ESG functionality makes it a more powerful persefoni competitor for smaller businesses, mid market companies, and enterprises seeking end-to-end emissions management and safety management capabilities.