The financed emissions generated through a financial institution's loans, investments, and underwriting activities often eclipse its direct operational footprint. Banks, asset managers, and insurers need to be able to accurately measure and manage these greenhouse gases, especially in the face of growing climate disclosure expectations. Financed emissions software greatly streamlines the process. The right platform will ensure reliable, traceable, and decision-useful calculations. Key features to look for include alignment with PCAF and other global frameworks, portfolio engagement tools, traceability, and advanced data security.
Financial institutions increasingly find themselves at the center of the global climate conversation, and for good reason. The emissions generated by the companies, projects, and assets they finance generate a substantial (and largely underreported) share of global greenhouse gases. These financed emissions can account for up to 700 times more than the emissions an institution produces directly.
Financed emissions also represent risk. Despite recent policy shifts, global expectations for climate disclosure have persisted. Without a solid understanding of their financed emissions, institutions can expose themselves to legal and reputational damage. The credit and market risks from climate change are also growing. Institutions must now consider how climate factors might lead to stranded assets, devaluation, borrowers defaulting on loans, and other scenarios. The potential toll of these climate-related risks is not small—it could add up to more than $1T USD, according to research by the CDP.
To manage these risks, institutions first need a clear picture of their financed emissions. A growing market of specialized software has emerged to help banks, asset managers, insurance companies, and private equity firms quantify emissions, comply with emerging regulations, and decarbonize efficiently.
This guide provides an overview of what financed emissions software is, the features that matter most, and the platforms leading the market in 2026.
What is financed emissions software?
Specialized carbon accounting software measures a financial institution’s indirect scope 3 emissions.
Financed emissions software enables institutions to measure, manage, and disclose the greenhouse gases associated with their lending, investment, and underwriting activities.
These indirect emissions fall under Scope 3, Category 15 of the Greenhouse Gas Protocol, and they require a fundamentally different accounting methodology than direct scope 1 and 2 emissions. Rather than simply tracking emissions from electricity consumption or fuel usage, organizations must attribute a proportional share of a counterparty's emissions to their own balance sheet, weighted by the size of their financial exposure.
The leading framework for calculating financed emissions comes from the Partnership for Carbon Accounting Financials (PCAF) Global GHG Accounting and Reporting Standard, Part A (“PCAF Standard”). Financed emissions software that is fit for purpose will be built on PCAF's methodology and cover its full range of asset classes, including listed equity and bonds, business loans, mortgages, motor vehicle loans, commercial real estate, project finance, sovereign debt, sub-sovereign debt, UoP structures, securitizations, and structured products.
Why do financial institutions need dedicated carbon accounting software?
Calculating financed emissions is complex.
Measuring financed emissions can be resource-intensive and complex. It requires institutions to collect disaggregated data from portfolio companies, apply the correct methodology across asset classes, and align with the appropriate (and up-to-date) regulations and frameworks.
Challenges in calculating financed emissions
Data complexity and availability. To calculate financed emissions, you have to combine portfolio data (e.g., ownership stakes or outstanding balances) with emissions data (scope 1, 2, and sometimes 3) for each investee company. This data can be difficult to gather—it often comes from disparate sources, including financial systems, third-party data providers, and company disclosures, with widely ranging levels of quality and completeness.
Differences across asset classes. PCAF defines distinct methodologies for each asset class, and a large institution may hold dozens of asset types across thousands of companies. Applying the correct methodology consistently, at scale, is a substantial technical challenge.
Regulatory alignment. Despite recent rollbacks, climate disclosure regulations continue to advance around the world. These include Europe’s Corporate Sustainability Reporting Directive (CSRD), California’s SB 253, and ISSB-aligned policies in dozens of other jurisdictions. Institutions without a credible methodology and auditable data expose themselves to regulatory (and reputational) risk.
Features to look for in financed emissions software
Platforms should offer a few essential capabilities.
Different carbon accounting tools are suited for different purposes. If you’re looking for a platform specifically to measure financed emissions, there are a few essential features to keep in mind. These include:
PCAF-Aligned Methodology
The foundation of any credible financed emissions platform is adherence to the PCAF Global GHG Accounting and Reporting Standard. Choose a platform that applies PCAF's asset-class-specific methodologies accurately and transparently, with clear documentation of how attribution factors and emission intensities are derived.
Portfolio Engagement
Gathering data from portfolio companies is often one of the most resource-intensive steps in the carbon accounting process. Look for software that supports portfolio engagement: Many borrowers and investees will need help calculating their emissions before they can share data with you, and you want to ensure this data is consistent and comparable.
Advanced Analytics
Calculating financed emissions is only valuable if it helps inform your decision-making. The best platforms will go beyond measurement and provide portfolio-level analytics that allow you to pinpoint heavy emitters, model different scenarios, and quantify the emissions impact of investment decisions.
Traceability and Visibility
As third-party assurance of financed emissions disclosures becomes more common, you need to be able to track calculations all the way from raw inputs to the final figures you report. Look for software with the same rigor as financial ledgers, where every data point is traceable and defensible. You should retain full visibility and control over your data throughout the process, so you can easily see the methodology, data, and emission factors that were used to arrive at your estimate.
Global Alignment
Climate and sustainability regulations are rapidly changing. Platforms with dedicated regulatory monitoring and update cycles will lead to greater consistency, comparability, and efficiency. In addition to PCAF, your software should align with frameworks like CDP, ISSB, and TCFD, as well as major regulations like Europe’s CSRD and California’s SB 253 and SB 261.
Data Security
The data that flows through a carbon accounting platform is sensitive by nature. It can include portfolio compositions, counterparty information, financial exposures, proprietary investment details, and more. The use of AI introduces new liabilities and further raises the stakes. This makes software selection a critical security decision. The most trustworthy providers will be able to show how they protect your information. Look for platforms with SOC 2 Type II certification—the gold standard for data security.
The Best Financed Emissions Software in 2026
Sustainability rules are a moving target. Regulatory shifts, emerging technology, and market volatility continue to reshape disclosure requirements and expectations. As they do, carbon accounting software is evolving. To help you keep up, here’s our current breakdown of the top financed emissions software in 2026 (in no particular order):
Pulsora
Pulsora is an all-in-one enterprise sustainability management platform designed to streamline ESG data collection, measurement, reporting, and analysis. It allows teams to explore emissions data at a granular level, from location-based specifics to individual facilities or buildings.
Pulsora provides flexibility in calculation methods, emission factors, intensity factors, and other key parameters. The software automatically identifies data gaps and applies estimation approaches to ensure comprehensive calculations. It offers out-of-the-box emission factors from IEA, UK DEFRA, US EPA, and others, and also gives clients the option to customize calculations using organization-specific factors.
Pulsora’s AI connects carbon accounting, ESG reporting, and data management through a unified knowledge layer called the Context Graph, which is trained on an organization's own data and reporting history rather than generic inputs. AI agents handle specific workflow tasks, including invoice scanning, ESG data normalization, anomaly detection, gap estimation, pre-audit checks, decarbonization pathway modeling, and double materiality assessments.
A key feature of the software is its support for the design and optimization of decarbonization pathways. Pulsora offers targeted emissions mitigation measures and continuous monitoring of clients’ progress against science-based targets.
Pulsora also emphasizes audit-readiness. The software builds traceability into the data collection workflow, rather than treating it as a separate step. Automated audit trails capture information uploads, and users retain visibility into their GHG calculations. Configurable data controls reinforce accuracy throughout the data collection and approval process. All data is accessible to internal and external auditors, with full provenance and audit logs attached to each metric.
Best for: Institutional investors managing complex portfolios who need auditable, PCAF-aligned financed emissions data and support with decarbonization pathways.
Persefoni
Persefoni AI is purpose-built for financial institutions. Forrester named it the best solution for "banks, asset managers, and large multinational companies in need of greenhouse gas accounting automation," and its customer base spans 9,000+ organizations across 90+ countries and all 20 NAICS sectors, including TPG, WesBanco, and Elevance Health.
Where Persefoni stands out is in financed emissions. It's an accredited PCAF partner and was the first platform to fully encode the PCAF standard, with coverage across all 10 PCAF asset classes. Its Investments Positions Manager consolidates complex portfolio data into a single, streamlined workflow, automatically applying the best applicable PCAF data quality score based on the data provided and enriching listed instruments with financial and emissions data to strengthen reporting accuracy. AI-powered capabilities reduce manual effort across the entire financed emissions workflow, from data ingestion and quality checks to analytics and disclosure-ready reporting.
Portfolio engagement is another core strength. Persefoni Pro and Scope 3 Data Exchange let investees and borrowers calculate and share verified, comparable emissions data with financial institution partners at no cost, directly addressing one of the biggest bottlenecks in financed emissions accounting. On-demand technical support and free training courses help portfolio companies build internal carbon accounting capability over time.
Clients can generate audit-ready reports aligned to major global frameworks, such as ISSB, CDP, CSRD, SECR, and CA SB 253, with full calculation transparency and audit trails built in. Security meets the highest enterprise standards, backed by SOC 2 Type II, SOC 1 Type II, ISO 27001, ISO 27017, and ISO 42001 certifications.
Best for: Banks, asset managers, private equity firms, and insurers prioritizing data security, transparency, and streamlined portfolio engagement.
Pathzero
Pathzero aims to provide a single source of truth for portfolio climate data, with a focus on overcoming data fragmentation in private markets. The platform facilitates the flow of information between institutions and portfolio companies, offering an alternative to manual spreadsheets and disconnected systems. Pathzero Navigator, its core product, enables PCAF-aligned financed emissions calculations at both the fund and portfolio level, with deal-screening capabilities that help clients assess the emissions impact of prospective investments.
In January 2026, Pathzero announced integrations with S&P Global, MSCI, and Morningstar Sustainalytics to give investors auditable climate data across both private and public markets in one platform. The platform ingests data from a client’s internally and externally managed funds, as well as direct holdings, then reconciles it into a ledger. Enriched private and public market data can then be combined into consolidated reporting units to generate a unified dataset that institutions can use for client reporting or climate scenario analysis.
An important feature of Pathzero is its private markets network approach, which is designed around aligned incentives. Fund managers who join the Pathzero network receive access to enterprise-grade climate risk tools (including Pathzero Navigator) at no cost in return for contributing their emissions data. The network is also designed to be interoperable with existing systems and workflows, connecting with platforms managers already use to minimize disruption.
Best for: Asset owners and fund managers who need a networked approach to collecting and reconciling emissions data across layered fund structures.
WeeFin
WeeFin is a French fintech company built exclusively for asset managers, wealth managers, and corporate and investment banks. The company prioritizes ESG data governance and EU regulatory reporting. Its ESG Connect platform is designed to give financial institutions greater control over their data, enabling them to centralize and automate sustainability information.
The foundation of the platform is its data aggregation layer. WeeFin automatically connects to any public or private ESG data source of the institution's choosing (including providers such as MSCI, Sustainalytics, and FactSet) as well as internal ESG research and investment data from portfolio management systems. By creating a unified data repository, WeeFin eliminates the need for manual data reconciliation, a task the company estimates can consume more than 80% of ESG analysts' time.
WeeFin’s calculation engine supports customized metrics and complex methodologies. It offers built-in traceability and documentation of the methodologies applied in calculations.
WeeFin automates the full ESG data processing chain, from data collection and quality control to regulatory report generation. It covers reporting under the European Union’s Sustainable Finance Disclosure Regulation (SFDR) and PAI indicators, and aligns with other important European standards, frameworks, and regulations, including the EU Taxonomy, the EET template, UN Article 29, and the Corporate Sustainability Reporting Directive.
Best for: European asset managers and institutional investors whose primary challenge is ESG data governance, SFDR compliance, and regulatory reporting.
Watershed
Watershed is a broad enterprise sustainability platform that serves corporate customers across industries. The Watershed Finance module allows financial institutions to consolidate their sustainability data, measure financed emissions, and produce regulatory and LP reports.
The platform's core data infrastructure is built around CEDA (the Comprehensive Environmental Data Archive), an extensive database of emission factors. In addition to CEDA, Watershed draws on data from its own customers as well as external report databases, including CDP and PCAF. Watershed customers who are PCAF signatories have access to PCAF's full emissions factor database and tailored technical support.
The platform covers all 15 Scope 3 emissions categories, as well as water, waste, and pollution data. Its methodologies are third-party assured annually. Institutions can also apply their own emission factors and calculation methodologies if necessary.
Watershed Finance supports a range of asset classes, including listed equity and corporate bonds, unlisted equity and business loans, commercial lines of insurance, sovereign debt, and mortgages, among others.
Watershed’s reporting tools cover both LP reporting and regulatory frameworks like CSRD and SECR. The company’s in-house support teams are available to help institutions navigate various disclosure requirements. After entering their data for the first time, clients have the ability to repurpose it for multiple reports and frameworks. Watershed also offers peer benchmarking and advanced analytics tools to help clients identify emissions hotspots in their portfolios, model climate transition scenarios, and build long-term decarbonization strategies.
Best for: Financial institutions that want a data-rich, automation-forward platform with PCAF integration and strong support for portfolio decarbonization strategy.
How to choose the right financed emissions software
With a growing field of options, the right choice will depend on your institution's specific portfolio composition, regulatory obligations, and climate commitments. Here are a few key questions to guide your assessment:
What asset classes do you need to cover?
If your portfolio is concentrated in a single asset class (e.g., commercial real estate or listed equities), a specialized solution may suffice. If you hold a broad mix, prioritize platforms with comprehensive PCAF asset class coverage.
What is your portfolio’s current data maturity?
If companies in your portfolio are new to reporting emissions, you’ll benefit from a platform that supports portfolio engagement and provides resources to help build carbon accounting capabilities over time.
What are your reporting obligations?
If you’re disclosing through TCFD, ISSB, CDP, or preparing to meet regulatory requirements, you’ll want to ensure your platform has native support for these frameworks, along with a system to keep pace with regulatory updates.
What is your assurance timeline?
If third-party assurance of your financed emissions disclosure is on the near-term roadmap, prioritize platforms with strong audit trail and data traceability features.
What are your data security risks?
Carbon accounting can introduce exposure. Look for software with security features that meet your company’s specific needs. When in doubt, choose a platform with SOC 2 Type II certification.
Do you need decarbonization analytics?
If you’ve made decarbonization commitments, you’ll want to look beyond simple calculators and find software that provides analytical tools, including peer benchmarking and scenario planning.
Managing risk means understanding financed emissions
Financed emissions are no longer a niche concern reserved for forward-thinking institutions. They’ve become a core element of financial risk management.
That makes choosing carbon accounting software a critical decision. The way your emissions data is calculated and managed affects legal compliance, reputation, data security, and ultimately, your ability to predict and respond to new threats (and opportunities) arising from climate change.
The right platform will offer the rigor and flexibility to keep pace with rapidly changing sustainability demands—and put you in a position to manage climate-related financial risk with the same precision applied to every other investment decision.
