No. 23 of 29 ·Carbon Accounting Software

CarbonChain

Web · API

Freedom report

One barScore 5.0

Free tierNo free tier on record
Open codeNo open-source code on record
Runs widely1 of 6 device platforms
DocumentedPlans, terms and facts published

CarbonChain is ranked #23 of 29 in carbon accounting software on Freedom251. It runs on API, Web. There is no free plan.

CarbonChain plans and pricing

All plans

CarbonChain Not published Subscription fee is set out in the customer’s Order Form and/or Statement of Work carbonchain.com · 30 Sept 2026

Compared on carbon accounting software

Free plan: No
Scope coverage: scope 1-3
Data collection: both
Emissions factors: both
Supplier engagement: Yes
Audit trail: Yes
API access: Yes

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The record

Purpose: CarbonChain provides software for companies and financial institutions to account for emissions from making, shipping and using commodities and products.
Intended users: The platform is built for commodity traders, manufacturers and banks.
Emissions measurement: It measures supply chain emissions and supports supplier benchmarking, hotspot mapping, trade portfolio emissions, product carbon footprints and Scope 1, 2 and 3 inventories.
Reporting: It automates product carbon footprint, corporate disclosure and commodity trade portfolio reporting, including CBAM and CSRD workflows.
Supplier data: CarbonChain says users can benchmark suppliers without importing data and import ERP, CTRM and Excel data or use APIs for deeper analysis and custom reports.
Methodology: CarbonChain says its methodology v0.94 was independently validated by SGS and verified by Bureau Veritas.
Security certification: CarbonChain says it received ISO 27001:2022 certification from Isoqar in 2024, with the certificate valid until 31 July 2027.
Data protection: The company says data is encrypted at rest and in transit, logically separated, and access-controlled with role-based permissions and retained access logs.
Data residency: CarbonChain says customer data is stored and processed in European data centers.
Support: CarbonChain says it typically answers contact requests within a few hours, and its customer success and support engineers may access customer data to provide support or diagnose issues.
Trial and free tools: The maker’s pages invite visitors to book a demo and offer free carbon footprint and CBAM estimate calculators; they do not state that the paid platform has a free trial or free plan.
Integration and deployment: The maker describes data imports through ERP, CTRM, Excel and APIs, but the pages reviewed do not name a downloadable desktop or mobile app.
Founded: 2019
Headquarters: United Kingdom

Where it ranks on Freedom251

Best Carbon Accounting Software in 2026#23 of 29

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Sources

carbonchain.com/about· checked 30 Sept 2026
carbonchain.com· checked 30 Sept 2026
carbonchain.com/measure· checked 30 Sept 2026
carbonchain.com/report· checked 30 Sept 2026
carbonchain.com/security· checked 30 Sept 2026
carbonchain.com/contact-us· checked 30 Sept 2026
carbonchain.com/legal/2025-carbonchain-msa· checked 30 Sept 2026