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Best Carbon Accounting Software by Industry-2026 Guide

Carbon Footprint
Industry Trends
updated on:
24/2/2026
Suzanne Yeabower
Content Marketer at Carbon Maps
Carbon accounting needs vary significantly across industries. In this guide, we compare five carbon accounting platforms that stand out across food, fashion, finance, industrial, and real estate sectors.

Key Takeaways:

  • Carbon accounting software is not one size fits all. Emissions profiles vary significantly by industry, especially across Scope 1, 2, and 3 categories.

  • In sectors like food, fashion, and finance, the majority of emissions fall under Scope 3, making value chain visibility critical.

  • Industry specific platforms offer deeper insight into sector challenges, from agricultural emissions in food to financed emissions in banking.

  • Choosing the right carbon accounting solution depends on where emissions are concentrated and how companies plan to measure, report, and reduce them.

Introduction

If all emissions looked the same, one carbon accounting tool would be enough. But they don’t. Most companies know they need to measure their emissions, but overlook that how they measure them depends largely on their industry.

Carbon accounting is no longer one-size-fits-all. As reporting requirements tighten and expectations rise, specialization is becoming essential. In this article, we highlight five platforms that stand out across food, fashion, finance, industrial, and real estate sectors. We selected these platforms based on their industry specialization, emissions coverage (Scope 1–3), value chain modeling strength, and compliance support.

But before comparing platforms, it’s worth stepping back. What exactly is carbon accounting, and how does it look different from one industry to another?

What Is Carbon Accounting — and Why Does Industry Expertise Matter?

Carbon accounting is the process of measuring and reporting a company’s greenhouse gas emissions (GHG) across three categories:

  • Scope 1: Direct emissions from company operations

  • Scope 2: Emissions from purchased energy

  • Scope 3: Indirect emissions across the value chain

Carbon accounting is becoming a standard expectation for businesses. Investors, regulators, and customers increasingly want transparency around emissions, but measurement alone is not the goal. The real value lies in understanding where emissions are concentrated so companies can prioritize the right actions.

But not all industries emit carbon in the same way.

Food and fashion brands are impacted by supply chain and agricultural emissions. Financial institutions are measured by the footprint of their portfolios. Industrial companies tend to focus on operational energy use. And real estate firms must look at how buildings operate and the materials used to build them.

That’s why choosing the right tool depends on your industry. 

So what does this look like in practice? Let’s explore five platforms designed to meet the needs of different sectors.

Further Reading-> Scope 3 Emissions: A Complete Guide to the 15 Categories

Table comparing Carbon Accounting by Industry

Food & FMCG – Carbon Maps

Industry challenge:

For most food companies, 80% of emissions are tied to Scope 3, particularly in agriculture, ingredients, and supplier networks. Measuring impact at this level requires a carbon accounting software designed for the realities of the food systems. 

Why it fits:

Carbon Maps is built specifically for food systems. It enables:

  • Ingredient-level carbon modeling
  • Agricultural emissions tracking
  • Supply chain transparency
  • Product-level footprinting

This makes it especially suitable for companies that need to move from high-level reporting to product-level insight and supplier engagement. In practice, this means food companies cannot measure and manage climate performance credibly with a generic, corporate-only approach. They need product- and ingredient-level modeling to understand where emissions actually come from. 

Carbon Maps’s strong background and expertise in calculating PCFs (Product Carbon Footprints) and LCAs (Life Cycle Assessments) offer a strong advantage when calculating activity-based categories where generalist carbon accounting software resort to spend-based methods (particularly: 3.1, 3.3, 3.4, 3.5, 3.7, 3.9, 3.10, 3.12). 

Another strong advantage of carbon accounting with deep PCF expertise is lowering the risk of compliance, incorrect assessments and greenwashing. This is because traditional carbon accounting is based on proxy black box emission factors often with very little to no relation to customer context and can therefore lead to huge mistakes. 

For a food company, two ingredients with the same cost can have radically different emissions depending on farming practices, processing, transport conditions, etc. For example, one of Carbon Maps clients had a 300% error in the calculation of their Scope 3.1 emissions due to incoherent emission factors used.

Carbon Maps’ PCF-supported carbon accounting is much more reliable due to a better control in value modelizations. Concretely, any emission factor replaced at the product or ingredient level automatically updates the calculation for not just Scope 3 emissions but for the organization’s entire corporate carbon footprint.  

Best for: Enterprise FMCG companies managing complex agricultural supply chains.

Carbon Maps Corporate Carbon Footprint interface

Fashion – Carbonfact

Industry challenge:

In the fashion industry, emissions are largely connected to raw materials, textiles, and manufacturing. Estimates suggest that between 80% and 96% of a brand’s footprint falls under Scope 3, covering the materials, products, and services purchased throughout the value chain.

Why it fits:

Carbonfact is designed specifically for apparel and footwear brands, where impact is concentrated in materials and manufacturing. It offers:

  • Product level footprint measurement

  • Emissions data at the material level

  • Integration of supplier data

  • Tools to track decarbonization progress

This focus makes it well adapted to fashion companies aiming to reduce their emissions at a product or material level.

Best for: Apparel brands looking to measure and reduce product-level emissions.

Carbonfact interface

Financial Services – Persefoni

Industry challenge:

For banks and asset managers, more than 90% of emissions typically fall under Scope 3. Unlike most industries, financial institutions don’t generate most of their emissions from their own operations. These emissions come primarily from the companies they finance, invest in, or advise.

Why it fits:

Persefoni is designed for large financial institutions that need carbon measurement across their investment and lending portfolios. It offers:

  • Carbon accounting built for enterprise organizations

  • Portfolio measurement aligned with PCAF standards

  • Tools for investor and regulatory reporting

  • Workflows designed to support audit and compliance processes

It is particularly suited for financial institutions navigating climate disclosure requirements of their financed emissions.

Best for: Financial institutions measuring financed emissions across large portfolios.

Persefoni interface

Industrial & Manufacturing – Sphera

Industry challenge:

Industrial companies often face significant Scope 1 and Scope 2 emissions driven by energy use, fuel consumption, and manufacturing processes. Managing operational impact while meeting regulatory requirements can be complex.

Why it fits:

Sphera provides tools designed for companies with large and operationally complex footprints. It offers:

  • Tracking of operational emissions

  • Integration of environmental, health, and safety data

  • Life cycle assessment capabilities

  • Enterprise data management across global operations

Its strength lies in connecting environmental performance with risk management and regulatory compliance, making it well suited to industrial organizations operating at scale.

Best for: Large industrial companies managing operational emissions and compliance requirements.

Sphera interface

Real Estate & Construction – Deepki

Industry challenge:

Real estate is one of the largest contributors to global emissions, accounting for roughly 38% of global CO2. About 28% comes from building operations such as heating, cooling, and electricity use (Scope 1 & 2), while another 10% is linked to construction materials and renovation (Scope 3). This means emissions stem from both operational energy use and embodied carbon across a building’s lifespan.

Why it fits:

Deepki focuses specifically on real estate portfolios and helps property owners measure, manage, and improve building performance across assets. It offers:

  • Portfolio level emissions tracking

  • Energy and asset performance monitoring

  • Support for regulatory disclosure requirements

  • Tools for data collection across large property portfolios

This makes it particularly well suited to real estate investors and asset managers navigating building level performance and compliance obligations.

Best for: Real estate investors and property managers overseeing large portfolios.

Deepki interface

Frequently Asked Questions

1. What is carbon accounting software?

Carbon accounting software helps companies measure, track, and report their greenhouse gas emissions across Scope 1 (direct emissions), Scope 2 (purchased energy), and Scope 3 (value chain emissions).

It enables organizations to comply with climate disclosure regulations and identify decarbonization opportunities.

2. What’s the difference between carbon accounting and lifecycle assessment (LCA)?

Carbon accounting typically measures emissions at the company or portfolio level.

Lifecycle assessment (LCA) focuses on the environmental impact of a specific product across its entire lifecycle,  from raw materials to disposal.

Some platforms integrate both approaches, depending on the industry.

3. Why does Scope 3 matter so much?

For many industries including food, fashion, and finance, Scope 3 emissions make up the majority of total emissions.

These include supplier emissions, raw materials, transportation, product use, and, in finance, financed emissions.

Because Scope 3 often represents the largest share, strong value chain modeling is a key differentiator between platforms.

4. Is there a “best” carbon accounting software overall?

There is no one-size-fits-all solution.

The best software depends on:

  • Industry
  • Regulatory requirements
  • Company size
  • Emissions profile
  • Level of supply chain complexity

This is why industry specialization is increasingly important.

5. How do companies choose the right carbon accounting platform?

Companies typically evaluate platforms based on:

  • Scope 1, 2, and 3 coverage
  • Industry expertise
  • Compliance support (e.g., SBTi, CSRD, PCAF, SEC)
  • Data integration capabilities
  • Scalability

A clear understanding of your emissions profile is the first step.

Book a demo to see how we help companies measure and manage their Corporate Carbon Footprint (CCF) with greater precision.

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