The 10 best carbon footprint software solutions in belgium in 2026

Whether you are based in Brussels, Wallonia, or Flanders, the question is no longer whether you must calculate your carbon footprint and manage your carbon reporting, but how to do it effectively.
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With the entry into force of the CSRD, the Carbon Border Adjustment Mechanism (CBAM), and the growing pressure from Belgian or international Tier 1 buyers on their suppliers' emissions, Excel spreadsheets have reached their limits.
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Belgian companies are now looking for robust tools to drive their climate transition while meeting international requirements and standards (SBTi, GHG Protocol, B Corp…).
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Which carbon footprint software is the best fit? Which criteria should be analyzed? We have analyzed the market for you. Discover our selection of the 10 best carbon footprint software solutions available in Belgium in 2026, their strengths, and how to choose the one that corresponds to your company.
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1. Why perform a carbon footprint assessment?
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Requirements from your Belgian or foreign business partners, regulatory pressure, profitability… Beyond the contribution to the vital fight against global warming, performing a carbon footprint assessment is now an essential step to ensure the long-term viability of your company.
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1.1 Increasing Profitability
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Engaging in a decarbonization process is synonymous with better financial performance.
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Our expert team has worked on the financial and carbon evaluation of dozens of decarbonization actions. For many of them, they allow for both a reduction in emissions AND are highly profitable.
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Take the example of self-consumption solar panels: by taking into account investment costs, operational costs, but also energy savings, this measure allows for savings of between €2,000 and €7,000 per tonne of avoided CO2​ (depending on the installed capacity or the price of electricity).
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1.2 Strengthening Competitiveness
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Meeting the demands of your business partners

Mid-caps and large accounts are looking to decarbonize their Scope 3, particularly their supply chain. This is why they are asking their suppliers to commit to emission reduction processes: introduction of carbon criteria in commercial contracts, reinforced sustainable procurement policies, carbon criteria in calls for tender, SBTi commitments… To fulfill their reporting obligations (with the CSRD in particular), these large companies also ask their suppliers to transmit their carbon data.
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Access to financing

Investment funds and banking partners are increasingly requiring companies in their portfolio or their clients to, at minimum, calculate their carbon footprint, and for others, to implement a decarbonization strategy.

Furthermore, in a 2024 Deloitte study, 62% of M&A managers surveyed said they had abandoned an acquisition because of concerns about the ESG performance of the target company.
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Hedging against the increase in carbon prices

With the entry into force of the CBAM and the progressive disappearance of free emission quotas, the price of carbon in Europe is expected to increase significantly in the coming years and decades. Performing your carbon footprint assessment allows you to calculate your exposure to this financial risk, and decarbonization allows you to reduce that risk.
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Attracting and retaining the best talent

Employees, particularly young graduates, increasingly want to hold a job in line with the climate challenge. Being ambitious on this subject allows you to attract them and, above all, to keep them.
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1.3 Regulation
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The CSRD

With the CSRD, companies with more than 1,000 employees and a turnover exceeding €450 million must already, or will soon have to, publish sustainability reports that integrate their greenhouse gas emissions. Through a "trickle-down" effect, their suppliers will have to provide their carbon data.
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Global carbon regulations

Many countries are currently legislating on mandatory climate reporting, including China, California, Taiwan, Thailand, and Brazil.
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The CBAM

The entry into force on this January 1, 2026, of the Carbon Border Adjustment Mechanism (CBAM) will require companies importing products subject to the CBAM to track the emissions related to their inputs with greater precision, redefine their purchasing policy with their suppliers, and engage in discussions with them on the transparency of their carbon data.
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1.4 Labels and Certifications
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Calculating and publishing GHG emissions (Scopes 1, 2, 3) and defining transition plans with emission reduction targets are now imperatives to complete the steps necessary to obtain labels or certifications.
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Let us mention:

• EcoVadis assessment: Greenhouse gas consumption is one of the 21 EcoVadis evaluation criteria.
• B Corp: The new B Corp standards, in effect since this January 1, 2026, require the largest companies to perform a full carbon footprint assessment and have it verified, and all companies to publish a climate transition plan with emission reduction targets.
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2. Why use carbon footprint software?
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Here are the main advantages of switching from a traditional Excel spreadsheet to carbon footprint software.
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2.1 Automation and data reliability
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Software allows for centralizing and accelerating data collection and processing, which is the most time-consuming step in performing a carbon footprint assessment:
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• Direct import of activity data (accounting entry files/FEC, supplier data, etc.).
• Automated data processing.
• Up-to-date emission factors: Immediate access to public and private databases (ADEME Base Empreinte, DEFRA, Climatiq) to convert your activities into CO2​e without calculation errors.
• Audit: In the event of a check, every figure is traceable, which strengthens the credibility of your carbon footprint assessment.
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2.2 Emission analysis and management
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The software offers a dynamic vision:
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• Emission analysis: Visualize the breakdown of your emissions by Scope, by emission category, but also by site or subsidiary for companies with more complex structures.
• Reduction trajectories: Simulation of trajectories according to the objectives set and the actions planned.
• Action plan: Implementation of an action plan.
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2.3 Simplified regulatory compliance
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Many companies in Belgium must now provide rigorous extra-financial reports.

• The software automatically generates reports compliant with international standards (GHG Protocol, ISO 14064).
• It facilitates collaboration with external auditors.
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2.4 Stakeholder Engagement
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• Allocation of roles and internal access for data collection.
• Suppliers: Sending questionnaires to your suppliers to refine the measurement of Scope 3 emissions.
• Employees: Collaborative interfaces to communicate internally on progress and results, thereby strengthening support for transition projects.

2.5 Empowerment in carbon accounting
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High-quality software greatly facilitates the internal management of your carbon footprint.

• Facilitated collection and use of integrated emission factors to avoid errors.
• Facilitated analysis of results.
• Implementation of an action plan.

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3. The Top 10 Carbon Footprint Software Solutions in Belgium
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1. Sami
Sami offers a 360° approach that combines powerful measurement and management software for carbon data with the expertise of experienced consultants to support companies in all sectors.

The Sami platform stands out in particular for its library of over 230,000 emission factors, automated data collection, the ability to perform LCAs or Product Carbon Footprints (PCF) on the software, and tools for simulating reduction trajectories. Sami also has a recognized training center for carbon accounting, allowing companies and consultants to subsequently perform carbon footprint assessments autonomously.
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2. D-Carbonize
D-Carbonize has developed its "Carbon Cockpit," a tool designed to transform carbon constraints into business opportunities. In 2026, it stands out for its hybrid approach: a platform for autonomous management, coupled with expert support. D-Carbonize specializes in supporting companies in the industry and construction sectors.
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3. Tapio
Tapio defines itself as an "all-in-one" platform focused on value chain transparency. Its strength lies in its network approach: it allows business partners to connect with each other to share real data rather than statistical averages.
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4. Coolset
Coolset is a sustainability platform designed for companies wishing to measure, analyze, and reduce their carbon emissions (Scopes 1, 2, and 3). It offers reporting tools compliant with CSRD and EU Taxonomy standards, as well as a TÜV-certified methodology.

5. Carbon+Alt+Delete
carbon+alt+delete is carbon accounting software specifically designed for sustainability consultants. It allows for carbon footprint calculations with features for
automation, reporting, and data management. The tool is recognized for its flexibility and its support for consultants in managing multiple clients.

6. Futureproof
As the name suggests, Futureproof helps companies become "resilient." It is a global ESG solution that is not limited to carbon: it integrates the management of social and governance data, as well as help with certification (B Corp, ISO). It considerably simplifies CSRD reports thanks to a step-by-step report builder.
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7. Sweep
Sweep is a collaborative carbon and ESG data management platform that allows for centralizing data, tracking emissions in real-time, and generating reports compliant with international standards. Sweep stands out for its approach of mobilizing employees and partners across the value chain for a collective reduction in emissions.
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8. Greenly
Greenly is a carbon footprint application designed to automate the measurement of emissions across Scopes 1, 2, and 3. In 2026, the software integrates advanced AI functionalities for automatic data verification and double materiality analysis (CSRD).
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9. Watershed
A technological giant in the sector, Watershed offers a platform for companies with an international focus. It offers integrations with business systems, reduction scenarios, and a carbon offset marketplace. Watershed is used by large companies for granular and compliant carbon footprints.
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10. Plan A
Plan A is certified carbon management software that supports companies in measuring, reducing, and reporting their emissions (Scopes 1, 2, and 3). The platform offers action plans aligned with scientific targets, CSRD-compliant reports, and expert support for the ecological transition.
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4. How to choose your carbon footprint software?
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Here is a summary of the key features the carbon software you select should have.
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Adaptation of the software to the company structure
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• Ability of the software to manage the carbon footprints of complex groups through the creation of a system of organizational units (subsidiaries, BUs, countries, sites, etc.) within the same workspace.
• Management of all key stages of the carbon footprint and decarbonization strategy (data collection, analysis of results, action plans, reduction trajectories, etc.) through this system of organizational units.
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Management of rights and access
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The decarbonization journey requires the involvement of many teams within the company with different roles depending on the person and the stage in progress: data collection, consolidation, analysis of results, construction and monitoring of the action plan, etc.
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• Autonomous management of user rights (read rights, modification rights, administrator, etc.).
• Differentiation of user roles and access by organizational unit.
• Possibility of restricting access to certain data for certain users for confidentiality reasons.
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Emission factors
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Emission factors (EF) are an essential element in the carbon footprint because they allow for the conversion of activity data into emissions. Using the right EFs ensures greater precision in the measurement of emissions.
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• What emission factors are used by the software?
• Presence of sectoral, national, and international EF databases.
• Updated EFs.
• Ability to add custom EFs into the software.
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Data collection
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How does the software allow for refining and accelerating the collection of activity data?
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• Multiple collection systems (collectors, questionnaires).
• API integration.
• Importing and processing files in CSV or Excel formats.
• Customizable supplier and employee questionnaires.
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Consolidation and data audit
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• Automatic calculation of emissions related to physical data.
• Automatic processing of the Accounting Entry File (FEC).
• Use of AI to process data.
• Calculation of the uncertainty of the carbon footprint assessment.
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Analysis of results
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• Precise visualization of results by organizational unit, by scope, by product category, etc.
• Visualization by methodology.
• Visualization by carbon intensity or any other customizable intensity.
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The action plan
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• Catalog of decarbonization actions integrated into the software and the possibility of adding personalized actions.
• Modeling of the emission reduction impact and the financial impact of each decarbonization action.
• Differentiated deadlines according to the actions.
• Taking into account the reference year and the target year for each action.
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The reduction trajectory
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• Possibility of managing several reduction trajectories instead of just one.
• Simulation of different trajectories based on the objectives defined and the actions implemented.
• Emission reduction targets compliant with SBTi trajectories.
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Carbon reporting
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• Regulatory reporting (GHG Protocol, for example) of the carbon footprint assessment.
• Use of carbon data for EcoVadis assessment or B Corp certification.
• Integration of carbon data into ESG reports (VSME, CSRD, etc.).
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Carbon and ESG software
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In connection with the previous point, it is interesting for companies to choose carbon footprint software that also integrates an ESG brick in order to be able to manage all CSR issues on a single platform and be able to benefit from carbon data to feed the desired ESG reports.
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Training and support
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• Complete onboarding for the teams that will use the software.
• Continuous support to answer questions.
• Software editor expert in carbon accounting and able to train you so that you eventually become autonomous in performing your carbon footprints.
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5. Choosing Sami for your carbon footprint software
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More than 1,500 clients supported since 2020, with approximately 5,000 carbon footprints calculated on our platform. Sami stands out as a particularly high-performing and accessible platform for measuring greenhouse gas emissions in accordance with recognized methods.
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An intuitive interface to facilitate the process

One of Sami's primary strengths lies in its intuitive user interface, designed to simplify the realization of the carbon footprint. Even without prior technical expertise, teams can easily collect data, understand results, and identify priority actions.
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A complete solution adapted to all organizations

Whether you are an SME performing your first carbon footprint or a large group with a need for multi-entity consolidation, Sami adapts to your specific needs:
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• Multi-entity management and group consolidated footprint: ideal for complex organizations.
• Wealth of the emission factor database: more than 230,000 EFs present on the platform for precise analysis.
• Analytical visualization of emissions: by scope, by activity, by entity, etc.
• Catalog of customizable reduction actions: to move quickly to action.
• ISO 27001 certification: guaranteeing the security of your data.
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Bespoke support

Beyond the software, Sami offers support adapted to each user:

• Personalized onboarding for a quick start.
• Responsive support to answer all your questions.
• Educational resources to build skills on carbon issues.
• Regular updates integrating methodological and regulatory developments.
• A network of more than 100 partner CSR firms that can support clients in taking control of the software and implementing concrete actions.
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From carbon to ESG, an all-in-one solution

Rather than multiplying software or your Excel spreadsheets, group your carbon and CSR data on a single platform.

• Automatic integration of carbon data into CSRD reporting.
• Realization of a double materiality analysis.
• VSME reporting.
• EcoVadis evaluation.
• Tracking emissions within the framework of the CBAM.
• B Corp certification.

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FAQ
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1. Is performing a carbon footprint assessment mandatory for Belgian companies in 2026? The obligation depends on the size of your structure. With the CSRD directive, large Belgian companies and listed SMEs must now publish a sustainability report including their full carbon footprint (Scopes 1, 2, and 3). However, even for SMEs not directly subject to it, the carbon footprint is becoming essential: buyers in Wallonia and Flanders increasingly demand this data to maintain their commercial relationships.
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2. How to choose between a consultant and carbon footprint software? The consultant brings valuable strategic expertise, while the software guarantees the sustainability and reliability of the data. In 2026, the hybrid approach is most recommended: use a platform to automate collection and calculation, while benefiting from expert support to define an ambitious reduction trajectory compliant with standards like the SBTi.
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3. Can carbon accounting software help with CSRD or VSME reporting? Absolutely. High-performing software does not just calculate tonnes of CO2​e. It must be able to automatically inject your carbon data into the precise data points of the ESRS standards (for the CSRD) or the VSME framework (for SMEs). This avoids double entries and guarantees consistency between your climate strategy and your extra-financial reporting.
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4. Is it possible to automate data collection in Belgium with these tools? Yes, this is one of the major challenges of 2026. The best software now allows for the direct import of your Accounting Entry Files (FEC) or connecting via API to your management tools (ERP, energy bills). For Belgian companies with international suppliers, specific modules also allow for sending personalized questionnaires to refine emissions related to transport and purchases.
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5. Are there grants or subsidies in Belgium for acquiring carbon software? Regions regularly offer support mechanisms for the ecological transition. In Wallonia, "Chèques-Entreprises" (Energy or CSR Consultancy segments) can sometimes cover part of the support costs related to the carbon diagnostic. In Flanders, subsidies via VLAIO support energy and climate audits. It is advisable to check the eligibility of your project with your regional economic development agency.
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6. What is the cost of carbon footprint software? The cost of carbon accounting software varies mainly according to the size of the company and the complexity of its structure. It ranges from a few thousand euros per year for an SME to several tens of thousands of euros for a large group, depending on specific needs (CSRD, product LCA, etc.).

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